New Connector PR template

Fix MangaDex Oneshots have no Chapternumber

.dockerignore

@@ -1,27 +0,0 @@
-**/.dockerignore
-**/.env
-**/.git
-**/.gitignore
-**/.project
-**/.settings
-**/.toolstarget
-**/.vs
-**/.vscode
-**/.idea
-**/*.*proj.user
-**/*.dbmdl
-**/*.jfm
-**/azds.yaml
-**/bin
-**/charts
-**/docker-compose*
-**/Dockerfile*
-**/node_modules
-**/npm-debug.log
-**/obj
-**/secrets.dev.yaml
-**/values.dev.yaml
-LICENSE
-README.md
-Manga
-settings

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,13 +1,13 @@
 name: Bug Report
 description: File a bug report
-title: "[It broke]: "
+title: "[Tranga broke]: <title>"
 labels: ["bug"]
 body:
 - type: textarea
   attributes:
     label: What is broken?
     description: What happened? How did we get here?
-    placeholder: The place where you tell me what you expected to happen, and what happened instead.
+    placeholder: Tell me what you expected to happen, and what happened instead.
   validations:
     required: true
 - type: textarea
@@ -18,4 +18,4 @@ body:
 - type: textarea
   attributes: 
     label: Additional stuff
-    description: Screenshots, anything you think might help
+    description: Screenshots, anything you think might help

.github/ISSUE_TEMPLATE/new_connector.yml

@@ -1,6 +1,6 @@
 name: New Connector Request
 description: Request a new site to be added
-title: "[New Connector]: "
+title: "[New Connector]: <title>"
 labels: ["New Connector"]
 body:
   - type: input
@@ -9,15 +9,12 @@ body:
       placeholder: https://
     validations:
       required: true
-  - type: checkboxes
-    attributes:
-      label: Is the Website free to access?
-      description: We can't support pay-to-use sites.
-      options:
-        - label: The Website is freely accessible.
-          required: true
   - type: textarea
     attributes:
       label: Anything else?
     validations:
-      required: false
+      required: false
+  - type: markdown
+    attributes:
+      value: |
+        If you want implement this read [Contributing](https://github.com/C9Glax/tranga#contributing). Thank you!

.github/PULL_REQUEST_TEMPLATE/new_connector.yml

@@ -0,0 +1,31 @@
+name: New Connector Implementation
+description: New Connector
+title: "<title>"
+labels: ["New Connector"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for contributing. Please make sure you have read [Contributing](https://github.com/C9Glax/tranga#contributing).
+        Just for the sake of completion:
+  - type: checkboxes
+    id: Contributing
+    attributes:
+      label: Contributing
+      description: I have checked
+      options:
+        - label: Formatting (if not done yet, mark this PR as draft)
+          required: false
+        - label: I have read https://github.com/C9Glax/tranga#if-you-want-to-add-a-new-website-connector
+          required: true
+  - type: input
+    attributes:
+      label: Existing Issue
+      placeholder: #<Issue number>
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Anything else?
+    validations:
+      required: false

.github/workflows/docker-image-cuttingedge.yml

@@ -13,16 +13,16 @@ jobs:
 
     steps:      
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # https://github.com/docker/setup-qemu-action#usage
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3.2.0
+        uses: docker/setup-qemu-action@v3.6.0
 
       # https://github.com/marketplace/actions/docker-setup-buildx
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3.7.1
+        uses: docker/setup-buildx-action@v3.11.1
       
       # https://github.com/docker/login-action#docker-hub
       - name: Login to Docker Hub
@@ -33,12 +33,12 @@ jobs:
       
       # https://github.com/docker/build-push-action#multi-platform-image
       - name: Build and push API
-        uses: docker/build-push-action@v6.9.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: ./
           file: ./Dockerfile
-          #platforms: linux/amd64,linux/arm64,linux/riscv64,linux/ppc64le,linux/s390x,linux/386,linux/mips64le,linux/mips64,linux/arm/v7,linux/arm/v6
-          platforms: linux/amd64,linux/arm64
+          #platforms: linux/amd64,linux/amd64/v2,linux/amd64/v3,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/amd64/v2,linux/amd64/v3,linux/arm64,linux/arm/v7
           pull: true
           push: true
           tags: |

.github/workflows/docker-image-master.yml

@@ -13,16 +13,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # https://github.com/docker/setup-qemu-action#usage
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3.2.0
+        uses: docker/setup-qemu-action@v3.6.0
 
       # https://github.com/marketplace/actions/docker-setup-buildx
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3.7.1
+        uses: docker/setup-buildx-action@v3.11.1
       
       # https://github.com/docker/login-action#docker-hub
       - name: Login to Docker Hub
@@ -33,7 +33,7 @@ jobs:
       
       # https://github.com/docker/build-push-action#multi-platform-image
       - name: Build and push API
-        uses: docker/build-push-action@v6.9.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: ./
           file: ./Dockerfile

.github/workflows/docker-image-serverv2.yml

@@ -1,45 +0,0 @@
-name: Docker Image CI
-
-on:
-  push:
-    branches: [ "Server-V2" ]
-  workflow_dispatch:
-
-jobs:
-
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      # https://github.com/docker/setup-qemu-action#usage
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3.2.0
-
-      # https://github.com/marketplace/actions/docker-setup-buildx
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v3.7.1
-      
-      # https://github.com/docker/login-action#docker-hub
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      
-      # https://github.com/docker/build-push-action#multi-platform-image
-      - name: Build and push API
-        uses: docker/build-push-action@v6.9.0
-        with:
-          context: ./
-          file: ./Dockerfile
-          #platforms: linux/amd64,linux/arm64,linux/riscv64,linux/ppc64le,linux/s390x,linux/386,linux/mips64le,linux/mips64,linux/arm/v7,linux/arm/v6
-          platforms: linux/amd64,linux/arm64
-          pull: true
-          push: true
-          tags: |
-            glax/tranga-api:Server-V2

.github/workflows/docker-image-testing.yml

@@ -2,7 +2,7 @@ name: Docker Image CI
 
 on:
   push:
-    branches: [ "dev" ]
+    branches: [ "testing" ]
   workflow_dispatch:
 
 jobs:
@@ -13,16 +13,16 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # https://github.com/docker/setup-qemu-action#usage
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3.2.0
+        uses: docker/setup-qemu-action@v3.6.0
 
       # https://github.com/marketplace/actions/docker-setup-buildx
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v3.7.1
+        uses: docker/setup-buildx-action@v3.11.1
       
       # https://github.com/docker/login-action#docker-hub
       - name: Login to Docker Hub
@@ -33,13 +33,13 @@ jobs:
       
       # https://github.com/docker/build-push-action#multi-platform-image
       - name: Build and push API
-        uses: docker/build-push-action@v6.9.0
+        uses: docker/build-push-action@v6.18.0
         with:
           context: ./
           file: ./Dockerfile
-          #platforms: linux/amd64,linux/arm64,linux/riscv64,linux/ppc64le,linux/s390x,linux/386,linux/mips64le,linux/mips64,linux/arm/v7,linux/arm/v6
-          platforms: linux/amd64,linux/arm64
+          #platforms: linux/amd64,linux/amd64/v2,linux/amd64/v3,linux/arm64,linux/arm/v7
+          platforms: linux/amd64,linux/amd64/v2,linux/amd64/v3,linux/arm64,linux/arm/v7
           pull: true
           push: true
           tags: |
-            glax/tranga-api:dev
+            glax/tranga-api:testing

.gitignore

@@ -20,6 +20,8 @@ riderModule.iml
 cover.jpg
 cover.png
 /.vscode
+/.vs/
+Tranga/Properties/launchSettings.json
 /Manga
 /settings
 *.DotSettings.user

API/API.csproj

@@ -0,0 +1,42 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+        <GenerateDocumentationFile>true</GenerateDocumentationFile>
+        <NoWarn>$(NoWarn);1591</NoWarn>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Asp.Versioning.Mvc.ApiExplorer" Version="8.1.0" />
+        <PackageReference Include="HtmlAgilityPack" Version="1.12.2" />
+        <PackageReference Include="JikanDotNet" Version="2.9.1" />
+        <PackageReference Include="log4net" Version="3.2.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="9.0.8" />
+        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.8" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.8">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+        <PackageReference Include="Npgsql" Version="9.0.3" />
+        <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
+        <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.Design" Version="1.1.0" />
+        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.11" />
+        <PackageReference Include="Soenneker.Utils.String.NeedlemanWunsch" Version="3.0.978" />
+        <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.4" />
+        <PackageReference Include="Swashbuckle.AspNetCore.Newtonsoft" Version="9.0.4" />
+        <PackageReference Include="System.Drawing.Common" Version="9.0.8" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Folder Include="Migrations\Manga\" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <None Include="Log4Net.config.xml" CopyToOutputDirectory="Always" CopyToPublishDirectory="Always" />
+    </ItemGroup>
+
+</Project>

API/API.http

@@ -0,0 +1,6 @@
+@API_HostAddress = http://localhost:5105
+
+GET {{API_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

API/Constants.cs

@@ -0,0 +1,18 @@
+using SixLabors.ImageSharp;
+
+namespace API;
+
+public struct Constants
+{
+    public const string TRANGA = 
+        "\n\n" +
+        " _______                                 v2\n" +
+        "|_     _|.----..---.-..-----..-----..---.-.\n" +
+        "  |   |  |   _||  _  ||     ||  _  ||  _  |\n" +
+        "  |___|  |__|  |___._||__|__||___  ||___._|\n" +
+        "                             |_____|       \n\n";
+
+    public static readonly Size ImageSmSize = new (225, 320);
+    public static readonly Size ImageMdSize = new (450, 640);
+    public static readonly Size ImageLgSize = new (900, 1280);
+}

API/Controllers/DTOs/AltTitle.cs

@@ -0,0 +1,24 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="API.Schema.MangaContext.AltTitle"/> DTO
+/// </summary>
+public sealed record AltTitle(string Language, string Title)
+{
+    /// <summary>
+    /// Language of the Title
+    /// </summary>
+    [Required]
+    [Description("Language of the Title")]
+    public string Language { get; init; } = Language;
+    
+    /// <summary>
+    /// Title
+    /// </summary>
+    [Required]
+    [Description("Title")]
+    public string Title { get; init; } = Title;
+}

API/Controllers/DTOs/Author.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// The <see cref="API.Schema.MangaContext.Author"/> DTO
+/// </summary>
+public sealed record Author(string Key, string Name) : Identifiable(Key)
+{
+    /// <summary>
+    /// Name of the Author.
+    /// </summary>
+    [Required]
+    [Description("Name of the Author.")]
+    public string Name { get; init; } = Name;
+}

API/Controllers/DTOs/Chapter.cs

@@ -0,0 +1,52 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="API.Schema.MangaContext.Chapter"/> DTO
+/// </summary>
+public sealed record Chapter(string Key, string MangaId, int? Volume, string ChapterNumber, string? Title, IEnumerable<MangaConnectorId> MangaConnectorIds, bool Downloaded) : Identifiable(Key)
+{
+    /// <summary>
+    /// Identifier of the Manga this Chapter belongs to
+    /// </summary>
+    [Required]
+    [Description("Identifier of the Manga this Chapter belongs to")]
+    public string MangaId { get; init; } = MangaId;
+    
+    /// <summary>
+    /// Volume number
+    /// </summary>
+    [Required]
+    [Description("Volume number")]
+    public int? Volume { get; init; } = Volume;
+    
+    /// <summary>
+    /// Chapter number
+    /// </summary>
+    [Required]
+    [Description("Chapter number")]
+    public string ChapterNumber { get; init; } = ChapterNumber;
+    
+    /// <summary>
+    /// Title of the Chapter
+    /// </summary>
+    [Required]
+    [Description("Title of the Chapter")]
+    public string? Title { get; init; } = Title;
+    
+    /// <summary>
+    /// Whether Chapter is Downloaded (on disk)
+    /// </summary>
+    [Required]
+    [Description("Whether Chapter is Downloaded (on disk)")]
+    public bool Downloaded { get; init; } = Downloaded;
+    
+    /// <summary>
+    /// Ids of the Manga on MangaConnectors
+    /// </summary>
+    [Required]
+    [Description("Ids of the Manga on MangaConnectors")]
+    public IEnumerable<MangaConnectorId> MangaConnectorIds { get; init; } = MangaConnectorIds;
+}

API/Controllers/DTOs/FileLibrary.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+public sealed record FileLibrary(string Key, string BasePath, string LibraryName) : Identifiable(Key)
+{
+    /// <summary>
+    /// The directory Path of the library
+    /// </summary>
+    [Required]
+    [Description("The directory Path of the library")]
+    public string BasePath { get; internal set; } = BasePath;
+
+    /// <summary>
+    /// The Name of the library
+    /// </summary>
+    [Required]
+    [Description("The Name of the library")]
+    public string LibraryName { get; internal set; } = LibraryName;
+}

API/Controllers/DTOs/Identifiable.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="API.Schema.Identifiable"/>
+/// </summary>
+public record Identifiable(string Key)
+{
+    /// <summary>
+    /// Unique Identifier of the DTO
+    /// </summary>
+    [Required]
+    [Description("Unique Identifier of the DTO")]
+    [StringLength(TokenGen.MaximumLength, MinimumLength = TokenGen.MinimumLength)]
+    public string Key { get; init; } = Key;
+}

API/Controllers/DTOs/LibraryConnector.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Schema.LibraryContext.LibraryConnectors;
+
+namespace API.Controllers.DTOs;
+
+public record LibraryConnector(string Key, string BaseUrl, LibraryType Type) : Identifiable(Key)
+{
+    /// <summary>
+    /// The Url of the Library instance
+    /// </summary>
+    [Required]
+    [Url]
+    [Description("The Url of the Library instance")]
+    public string BaseUrl { get; init;} =  BaseUrl;
+
+    /// <summary>
+    /// The <see cref="LibraryType"/>
+    /// </summary>
+    [Required]
+    [Description("The Library Type")]
+    public LibraryType Type { get; init; } = Type;
+}

API/Controllers/DTOs/Link.cs

@@ -0,0 +1,25 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+
+/// <summary>
+/// <see cref="API.Schema.MangaContext.Link"/> DTO
+/// </summary>
+public sealed record Link(string Key, string Provider, string Url) : Identifiable(Key)
+{
+    /// <summary>
+    /// Name of the Provider
+    /// </summary>
+    [Required]
+    [Description("Name of the Provider")]
+    public string Provider { get; init; } = Provider;
+    
+    /// <summary>
+    /// Url
+    /// </summary>
+    [Required]
+    [Description("Url")]
+    public string Url { get; init; } = Url;
+}

API/Controllers/DTOs/Manga.cs

@@ -0,0 +1,73 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Schema.MangaContext;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="Schema.MangaContext.Manga"/> DTO
+/// </summary>
+public sealed record Manga(string Key, string Name, string Description, MangaReleaseStatus ReleaseStatus, IEnumerable<MangaConnectorId> MangaConnectorIds, float IgnoreChaptersBefore, uint? Year, string? OriginalLanguage, IEnumerable<string> ChapterIds, IEnumerable<Author> Authors, IEnumerable<string> Tags, IEnumerable<Link> Links, IEnumerable<AltTitle> AltTitles, string? FileLibraryId)
+    : MinimalManga(Key, Name, Description, ReleaseStatus, MangaConnectorIds)
+{
+    /// <summary>
+    /// Chapter cutoff for Downloads (Chapters before this will not be downloaded)
+    /// </summary>
+    [Required]
+    [Description("Chapter cutoff for Downloads (Chapters before this will not be downloaded)")]
+    public float IgnoreChaptersBefore { get; init; } = IgnoreChaptersBefore;
+    
+    /// <summary>
+    /// Release Year
+    /// </summary>
+    [Description("Release Year")]
+    public uint? Year { get; init; } = Year;
+    
+    /// <summary>
+    /// Release Language
+    /// </summary>
+    [Description("Release Language")]
+    public string? OriginalLanguage { get; init; } = OriginalLanguage;
+    
+    /// <summary>
+    /// Keys of ChapterDTOs
+    /// </summary>
+    [Required]
+    [Description("Keys of ChapterDTOs")]
+    public IEnumerable<string> ChapterIds { get; init; } = ChapterIds;
+    
+    /// <summary>
+    /// Author-names
+    /// </summary>
+    [Required]
+    [Description("Author-names")]
+    public IEnumerable<Author> Authors { get; init; } = Authors;
+    
+    /// <summary>
+    /// Manga Tags
+    /// </summary>
+    [Required]
+    [Description("Manga Tags")]
+    public IEnumerable<string> Tags { get; init; } = Tags;
+    
+    /// <summary>
+    /// Links for more Metadata
+    /// </summary>
+    [Required]
+    [Description("Links for more Metadata")]
+    public IEnumerable<Link> Links { get; init; } = Links;
+    
+    /// <summary>
+    /// Alt Titles of Manga
+    /// </summary>
+    [Required]
+    [Description("Alt Titles of Manga")]
+    public IEnumerable<AltTitle> AltTitles { get; init; } = AltTitles;
+    
+    /// <summary>
+    /// Id of the Library the Manga gets downloaded to
+    /// </summary>
+    [Required]
+    [Description("Id of the Library the Manga gets downloaded to")]
+    public string? FileLibraryId { get; init; } = FileLibraryId;
+}

API/Controllers/DTOs/MangaConnector.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+public sealed record MangaConnector(string Name, bool Enabled, string IconUrl, string[] SupportedLanguages) : Identifiable(Name)
+{
+    /// <summary>
+    /// Whether Connector is used for Searches and Downloads
+    /// </summary>
+    [Required]
+    [Description("Whether Connector is used for Searches and Downloads")]
+    public bool Enabled { get; init; } = Enabled;
+    
+    /// <summary>
+    /// Languages supported by the Connector
+    /// </summary>
+    [Required]
+    [Description("Languages supported by the Connector")]
+    public string[] SupportedLanguages { get; init; } = SupportedLanguages;
+    
+    /// <summary>
+    /// Url of the Website Icon
+    /// </summary>
+    [Required]
+    [Description("Url of the Website Icon")]
+    public string IconUrl { get; init; } = IconUrl;
+}

API/Controllers/DTOs/MangaConnectorId.cs

@@ -0,0 +1,38 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Schema.MangaContext;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="MangaConnectorId{T}"/> DTO
+/// </summary>
+public sealed record MangaConnectorId(string Key, string MangaConnectorName, string ForeignKey, string? WebsiteUrl, bool UseForDownload) : Identifiable(Key)
+{
+    /// <summary>
+    /// Name of the Connector
+    /// </summary>
+    [Required]
+    [Description("Name of the Connector")]
+    public string MangaConnectorName { get; init; } = MangaConnectorName;
+    
+    /// <summary>
+    /// Key of the referenced DTO
+    /// </summary>
+    [Required]
+    [Description("Key of the referenced DTO")]
+    public string ForeignKey { get; init; } = ForeignKey;
+    
+    /// <summary>
+    /// Website Link for reference, if any
+    /// </summary>
+    [Description("Website Link for reference, if any")]
+    public string? WebsiteUrl { get; init; } = WebsiteUrl;
+    
+    /// <summary>
+    /// Whether this Link is used for downloads
+    /// </summary>
+    [Required]
+    [Description("Whether this Link is used for downloads")]
+    public bool UseForDownload { get; init; } = UseForDownload;
+}

API/Controllers/DTOs/MinimalManga.cs

@@ -0,0 +1,39 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Schema.MangaContext;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// Shortened Version of <see cref="Manga"/>
+/// </summary>
+public record MinimalManga(string Key, string Name, string Description, MangaReleaseStatus ReleaseStatus, IEnumerable<MangaConnectorId> MangaConnectorIds) : Identifiable(Key)
+{
+    /// <summary>
+    /// Name of the Manga
+    /// </summary>
+    [Required]
+    [Description("Name of the Manga")]
+    public string Name { get; init; } = Name;
+    
+    /// <summary>
+    /// Description of the Manga
+    /// </summary>
+    [Required]
+    [Description("Description of the Manga")]
+    public string Description { get; init; } = Description;
+    
+    /// <summary>
+    /// ReleaseStatus of the Manga
+    /// </summary>
+    [Required]
+    [Description("ReleaseStatus of the Manga")]
+    public MangaReleaseStatus ReleaseStatus { get; init; } = ReleaseStatus;
+    
+    /// <summary>
+    /// Ids of the Manga on MangaConnectors
+    /// </summary>
+    [Required]
+    [Description("Ids of the Manga on MangaConnectors")]
+    public IEnumerable<MangaConnectorId> MangaConnectorIds { get; init; } = MangaConnectorIds;
+}

API/Controllers/DTOs/NotificationConnector.cs

@@ -0,0 +1,46 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+public record NotificationConnector(string Name, string Url, string HttpMethod, string Body, Dictionary<string, string> Headers) : Identifiable(Name)
+{
+    /// <summary>
+    /// The Name of the Notification Connector
+    /// </summary>
+    [Required]
+    [Description("The Name of the Notification Connector")]
+    public string Name { get; init; } = Name;
+    
+    /// <summary>
+    /// The Url of the Instance
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Url]
+    [Description("The Url of the Instance")]
+    public string Url { get; internal set; } = Url;
+    
+    /// <summary>
+    /// The HTTP Request Method to use for notifications
+    /// </summary>
+    [Required]
+    [Description("The HTTP Request Method to use for notifications")]
+    public string HttpMethod { get; internal set; } = HttpMethod;
+
+    /// <summary>
+    /// The Request Body to use to send notifications
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Description("The Request Body to use to send notifications")]
+    public string Body { get; internal set; } = Body;
+
+    /// <summary>
+    /// The Request Headers to use to send notifications
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Description("The Request Headers to use to send notifications")]
+    public Dictionary<string, string> Headers { get; internal set; } = Headers;
+}

API/Controllers/DTOs/PeriodicWorker.cs

@@ -0,0 +1,33 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Workers;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="IPeriodic"/> DTO (<seealso cref="Worker"/> <seealso cref="BaseWorker"/>)
+/// </summary>
+public sealed record PeriodicWorker(string Key, IEnumerable<string> Dependencies, IEnumerable<string> MissingDependencies, bool DependenciesFulfilled, WorkerExecutionState State, DateTime LastExecution, TimeSpan Interval, DateTime NextExecution)
+    : Worker(Key, Dependencies, MissingDependencies, DependenciesFulfilled, State)
+{
+    /// <summary>
+    /// Timestamp when Worker executed last.
+    /// </summary>
+    [Required]
+    [Description("Timestamp when Worker executed last.")]
+    public DateTime LastExecution { get; init; } = LastExecution;
+    
+    /// <summary>
+    /// Interval at which Worker runs.
+    /// </summary>
+    [Required]
+    [Description("Interval at which Worker runs.")]
+    public TimeSpan Interval { get; init; } = Interval;
+    
+    /// <summary>
+    /// Timestamp when Worker is scheduled to execute next.
+    /// </summary>
+    [Required]
+    [Description("Timestamp when Worker is scheduled to execute next.")]
+    public DateTime NextExecution { get; init; } = LastExecution;
+}

API/Controllers/DTOs/Worker.cs

@@ -0,0 +1,39 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Workers;
+
+namespace API.Controllers.DTOs;
+
+/// <summary>
+/// <see cref="BaseWorker"/> DTO
+/// </summary>
+public record Worker(string Key, IEnumerable<string> Dependencies, IEnumerable<string> MissingDependencies, bool DependenciesFulfilled, WorkerExecutionState State) : Identifiable(Key)
+{
+    /// <summary>
+    /// Workers this worker depends on having ran.
+    /// </summary>
+    [Required]
+    [Description("Workers this worker depends on having ran.")]
+    public IEnumerable<string> Dependencies { get; init; } = Dependencies;
+    
+    /// <summary>
+    /// Workers that have not yet ran, that need to run for this Worker to run.
+    /// </summary>
+    [Required]
+    [Description("Workers that have not yet ran, that need to run for this Worker to run.")]
+    public IEnumerable<string> MissingDependencies { get; init; } = MissingDependencies;
+    
+    /// <summary>
+    /// Worker can run.
+    /// </summary>
+    [Required]
+    [Description("Worker can run.")]
+    public bool DependenciesFulfilled { get; init; } = DependenciesFulfilled;
+    
+    /// <summary>
+    /// Execution state of the Worker.
+    /// </summary>
+    [Required]
+    [Description("Execution state of the Worker.")]
+    public WorkerExecutionState State { get; init; } = State;
+}

API/Controllers/FileLibraryController.cs

@@ -0,0 +1,147 @@
+using API.Controllers.Requests;
+using API.Schema.MangaContext;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+using FileLibrary = API.Controllers.DTOs.FileLibrary;
+
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class FileLibraryController(MangaContext context) : Controller
+{
+    /// <summary>
+    /// Returns all <see cref="DTOs.FileLibrary"/>
+    /// </summary>
+    /// <response code="200"></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet]
+    [ProducesResponseType<List<FileLibrary>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<FileLibrary>>, InternalServerError>> GetFileLibraries ()
+    {
+        if (await context.FileLibraries.ToListAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+
+        List<FileLibrary> fileLibraries = result.Select(f => new FileLibrary(f.Key, f.BasePath, f.LibraryName)).ToList();
+
+        return TypedResults.Ok(fileLibraries);
+    }
+
+    /// <summary>
+    /// Returns <see cref="FileLibrary"/> with <paramref name="FileLibraryId"/>
+    /// </summary>
+    /// <param name="FileLibraryId"><see cref="FileLibrary"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="FileLibrary"/> with <paramref name="FileLibraryId"/> not found.</response>
+    [HttpGet("{FileLibraryId}")]
+    [ProducesResponseType<FileLibrary>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<FileLibrary>, NotFound<string>>> GetFileLibrary (string FileLibraryId)
+    {
+        if(await context.FileLibraries.FirstOrDefaultAsync(l => l.Key == FileLibraryId, HttpContext.RequestAborted) is not { } library)
+            return TypedResults.NotFound(nameof(FileLibraryId));
+        
+        return TypedResults.Ok(new FileLibrary(library.Key, library.BasePath, library.LibraryName));
+    }
+
+    /// <summary>
+    /// Changes the <see cref="FileLibraryId"/>.BasePath with <paramref name="FileLibraryId"/>
+    /// </summary>
+    /// <param name="FileLibraryId"><see cref="FileLibrary"/>.Key</param>
+    /// <param name="newBasePath">New <see cref="FileLibraryId"/>.BasePath</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="FileLibrary"/> with <paramref name="FileLibraryId"/> not found.</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPatch("{FileLibraryId}/ChangeBasePath")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> ChangeLibraryBasePath (string FileLibraryId, [FromBody]string newBasePath)
+    {
+        if(await context.FileLibraries.FirstOrDefaultAsync(l => l.Key == FileLibraryId, HttpContext.RequestAborted) is not { } library)
+            return TypedResults.NotFound(nameof(FileLibraryId));
+        
+        //TODO Path check
+        library.BasePath = newBasePath;
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Changes the <see cref="FileLibraryId"/>.LibraryName with <paramref name="FileLibraryId"/>
+    /// </summary>
+    /// <param name="FileLibraryId"><see cref="FileLibrary"/>.Key</param>
+    /// <param name="newName">New <see cref="FileLibraryId"/>.LibraryName</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="FileLibrary"/> with <paramref name="FileLibraryId"/> not found.</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPatch("{FileLibraryId}/ChangeName")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> ChangeLibraryName (string FileLibraryId, [FromBody] string newName)
+    {
+        if(await context.FileLibraries.FirstOrDefaultAsync(l => l.Key == FileLibraryId, HttpContext.RequestAborted) is not { } library)
+            return TypedResults.NotFound(nameof(FileLibraryId));
+        
+        //TODO Name check
+        library.LibraryName = newName;
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Creates new <see cref="FileLibrary"/>
+    /// </summary>
+    /// <param name="requestData">New <see cref="FileLibrary"/> to add</param>
+    /// <response code="200">Key of new Library</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPut]
+    [ProducesResponseType<string>(Status201Created, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Created<string>, InternalServerError<string>>> CreateNewLibrary ([FromBody]CreateLibraryRecord requestData)
+    {
+        //TODO Parameter check
+        Schema.MangaContext.FileLibrary library = new Schema.MangaContext.FileLibrary(requestData.BasePath, requestData.LibraryName);
+        context.FileLibraries.Add(library);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        
+        return TypedResults.Created(string.Empty, library.Key);
+    }
+    
+    /// <summary>
+    /// Deletes the <see cref="FileLibraryId"/>.LibraryName with <paramref name="FileLibraryId"/>
+    /// </summary>
+    /// <param name="FileLibraryId"><see cref="FileLibrary"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="FileLibrary"/> with <paramref name="FileLibraryId"/> not found.</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpDelete("{FileLibraryId}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> DeleteLocalLibrary (string FileLibraryId)
+    {
+        if(await context.FileLibraries.FirstOrDefaultAsync(l => l.Key == FileLibraryId, HttpContext.RequestAborted) is not { } library)
+            return TypedResults.NotFound(nameof(FileLibraryId));
+        
+        context.FileLibraries.Remove(library);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/LibraryConnectorController.cs

@@ -0,0 +1,102 @@
+using API.Controllers.Requests;
+using API.Schema.LibraryContext;
+using API.Schema.LibraryContext.LibraryConnectors;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+using LibraryConnector = API.Controllers.DTOs.LibraryConnector;
+
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class LibraryConnectorController(LibraryContext context) : Controller
+{
+    /// <summary>
+    /// Gets all configured <see cref="DTOs.LibraryConnector"/>
+    /// </summary>
+    /// <response code="200"></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet]
+    [ProducesResponseType<List<LibraryConnector>>(Status200OK, "application/json")]
+    public async Task<Results<Ok<List<LibraryConnector>>, InternalServerError>> GetAllConnectors ()
+    {
+        if (await context.LibraryConnectors.ToListAsync(HttpContext.RequestAborted) is not { } connectors)
+            return TypedResults.InternalServerError();
+
+        List<LibraryConnector> libraryConnectors = connectors.Select(c => new LibraryConnector(c.Key, c.BaseUrl, c.LibraryType)).ToList();
+
+        return TypedResults.Ok(libraryConnectors);
+    }
+    
+    /// <summary>
+    /// Returns <see cref="LibraryConnector"/> with <paramref name="LibraryConnectorId"/>
+    /// </summary>
+    /// <param name="LibraryConnectorId"><see cref="LibraryConnector"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="LibraryConnector"/> with <paramref name="LibraryConnectorId"/> not found.</response>
+    [HttpGet("{LibraryConnectorId}")]
+    [ProducesResponseType<LibraryConnector>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<LibraryConnector>, NotFound<string>>> GetConnector (string LibraryConnectorId)
+    {
+        if (await context.LibraryConnectors.FirstOrDefaultAsync(l => l.Key == LibraryConnectorId) is not { } connector)
+            return TypedResults.NotFound(nameof(LibraryConnectorId));
+        
+        return TypedResults.Ok(new LibraryConnector(connector.Key, connector.BaseUrl, connector.LibraryType));
+    }
+    
+    /// <summary>
+    /// Creates a new <see cref="LibraryConnector"/>
+    /// </summary>
+    /// <param name="requestData"></param>
+    /// <response code="201"></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPut]
+    [ProducesResponseType<string>(Status201Created, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Created<string>, InternalServerError<string>>> CreateConnector ([FromBody]CreateLibraryConnectorRecord requestData)
+    {
+        //TODO verify data
+        API.Schema.LibraryContext.LibraryConnectors.LibraryConnector connector = requestData.LibraryType switch
+        {
+            LibraryType.Kavita => new Kavita(requestData.Url, requestData.Username, requestData.Password),
+            LibraryType.Komga => new Komga(requestData.Url, requestData.Username, requestData.Password),
+            _ => throw new NotImplementedException()
+        };
+        
+        context.LibraryConnectors.Add(connector);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Created(string.Empty, connector.Key);
+    }
+    
+    /// <summary>
+    /// Deletes <see cref="LibraryConnector"/> with <paramref name="LibraryConnectorId"/>
+    /// </summary>
+    /// <param name="LibraryConnectorId">ToFileLibrary-Connector-ID</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="LibraryConnector"/> with <paramref name="LibraryConnectorId"/> not found.</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpDelete("{LibraryConnectorId}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> DeleteConnector (string LibraryConnectorId)
+    {
+        if (await context.LibraryConnectors.FirstOrDefaultAsync(l => l.Key == LibraryConnectorId) is not { } connector)
+            return TypedResults.NotFound(nameof(LibraryConnectorId));
+        
+        context.LibraryConnectors.Remove(connector);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/MaintenanceController.cs

@@ -0,0 +1,39 @@
+using API.MangaConnectors;
+using API.Schema.MangaContext;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class MaintenanceController(MangaContext mangaContext) : Controller
+{
+    
+    /// <summary>
+    /// Removes all <see cref="Manga"/> not marked for Download on any <see cref="MangaConnector"/>
+    /// </summary>
+    /// <response code="200"></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPost("CleanupNoDownloadManga")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, InternalServerError<string>>> CleanupNoDownloadManga()
+    {
+        if (await mangaContext.Mangas
+                .Include(m => m.MangaConnectorIds)
+                .Where(m => !m.MangaConnectorIds.Any(id => id.UseForDownload))
+                .ToArrayAsync(HttpContext.RequestAborted) is not { } noDownloads)
+            return TypedResults.InternalServerError("Could not fetch Manga");
+        
+        mangaContext.Mangas.RemoveRange(noDownloads);
+        
+        if(await mangaContext.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/MangaConnectorController.cs

@@ -0,0 +1,98 @@
+using API.Controllers.DTOs;
+using API.Schema.MangaContext;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class MangaConnectorController(MangaContext context) : Controller
+{
+    /// <summary>
+    /// Get all <see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites)
+    /// </summary>
+    /// <response code="200">Names of <see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites)</response>
+    [HttpGet]
+    [ProducesResponseType<List<MangaConnector>>(Status200OK, "application/json")]
+    public Ok<List<MangaConnector>> GetConnectors()
+    {
+        return TypedResults.Ok(Tranga.MangaConnectors
+            .Select(c => new MangaConnector(c.Name, c.Enabled, c.IconUrl, c.SupportedLanguages))
+            .ToList());
+    }
+
+    /// <summary>
+    /// Returns the <see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites) with the requested Name
+    /// </summary>
+    /// <param name="MangaConnectorName"><see cref="API.MangaConnectors.MangaConnector"/>.Name</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="MangaConnector"/> (Scanlation-Sites) with Name not found.</response>
+    [HttpGet("{MangaConnectorName}")]
+    [ProducesResponseType<MangaConnector>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public Results<Ok<MangaConnector>, NotFound<string>> GetConnector(string MangaConnectorName)
+    {
+        if(Tranga.MangaConnectors.FirstOrDefault(c => c.Name.Equals(MangaConnectorName, StringComparison.InvariantCultureIgnoreCase)) is not { } connector)
+            return TypedResults.NotFound(nameof(MangaConnectorName));
+        
+        return TypedResults.Ok(new MangaConnector(connector.Name, connector.Enabled, connector.IconUrl, connector.SupportedLanguages));
+    }
+    
+    /// <summary>
+    /// Get all enabled <see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites)
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet("Enabled")]
+    [ProducesResponseType<List<MangaConnector>>(Status200OK, "application/json")]
+    public Ok<List<MangaConnector>> GetEnabledConnectors()
+    {
+        return TypedResults.Ok(Tranga.MangaConnectors
+            .Where(c => c.Enabled)
+            .Select(c => new MangaConnector(c.Name, c.Enabled, c.IconUrl, c.SupportedLanguages))
+            .ToList());
+    }
+    
+    /// <summary>
+    /// Get all disabled <see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites)
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet("Disabled")]
+    [ProducesResponseType<List<MangaConnector>>(Status200OK, "application/json")]
+    public Ok<List<MangaConnector>> GetDisabledConnectors()
+    {
+        
+        return TypedResults.Ok(Tranga.MangaConnectors
+            .Where(c => c.Enabled == false)
+            .Select(c => new MangaConnector(c.Name, c.Enabled, c.IconUrl, c.SupportedLanguages))
+            .ToList());
+    }
+
+    /// <summary>
+    /// Enabled or disables <see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites) with Name
+    /// </summary>
+    /// <param name="MangaConnectorName"><see cref="API.MangaConnectors.MangaConnector"/>.Name</param>
+    /// <param name="Enabled">Set true to enable, false to disable</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="API.MangaConnectors.MangaConnector"/> (Scanlation-Sites) with Name not found.</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPatch("{MangaConnectorName}/SetEnabled/{Enabled}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> SetEnabled(string MangaConnectorName, bool Enabled)
+    {
+        if(Tranga.MangaConnectors.FirstOrDefault(c => c.Name.Equals(MangaConnectorName, StringComparison.InvariantCultureIgnoreCase)) is not { } connector)
+            return TypedResults.NotFound(nameof(MangaConnectorName));
+        
+        connector.Enabled = Enabled;
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/MangaController.cs

@@ -0,0 +1,579 @@
+using API.Controllers.DTOs;
+using API.Schema.MangaContext;
+using API.Workers;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
+using Microsoft.Net.Http.Headers;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+using AltTitle = API.Controllers.DTOs.AltTitle;
+using Author = API.Controllers.DTOs.Author;
+using Chapter = API.Controllers.DTOs.Chapter;
+using Link = API.Controllers.DTOs.Link;
+using Manga = API.Controllers.DTOs.Manga;
+
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class MangaController(MangaContext context) : Controller
+{
+    
+    /// <summary>
+    /// Returns all cached <see cref="DTOs.Manga"/>
+    /// </summary>
+    /// <response code="200"><see cref="MinimalManga"/> exert of <see cref="Schema.MangaContext.Manga"/>. Use <see cref="GetManga"/> for more information</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet]
+    [ProducesResponseType<List<MinimalManga>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<MinimalManga>>, InternalServerError>> GetAllManga ()
+    {
+        if (await context.Mangas.Include(m => m.MangaConnectorIds).ToArrayAsync(HttpContext.RequestAborted) is not
+            { } result)
+            return TypedResults.InternalServerError();
+        
+        return TypedResults.Ok(result.Select(m =>
+        {
+            IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id => new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            return new MinimalManga(m.Key, m.Name, m.Description, m.ReleaseStatus, ids);
+        }).ToList());
+    }
+    
+    /// <summary>
+    /// Returns all cached <see cref="Schema.MangaContext.Manga"/>.Keys
+    /// </summary>
+    /// <response code="200"><see cref="Schema.MangaContext.Manga"/> Keys/IDs</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet("Keys")]
+    [ProducesResponseType<string[]>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<string[]>, InternalServerError>> GetAllMangaKeys ()
+    {
+        if (await context.Mangas.Select(m => m.Key).ToArrayAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+        
+        return TypedResults.Ok(result);
+    }
+    
+    /// <summary>
+    /// Returns all <see cref="Schema.MangaContext.Manga"/> that are being downloaded from at least one <see cref="API.MangaConnectors.MangaConnector"/>
+    /// </summary>
+    /// <response code="200"><see cref="MinimalManga"/> exert of <see cref="Schema.MangaContext.Manga"/>. Use <see cref="GetManga"/> for more information</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet("Downloading")]
+    [ProducesResponseType<MinimalManga[]>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<MinimalManga>>, InternalServerError>> GetMangaDownloading()
+    {
+        if (await context.Mangas
+                .Include(m => m.MangaConnectorIds)
+                .Where(m => m.MangaConnectorIds.Any(id => id.UseForDownload))
+                .ToArrayAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+
+        return TypedResults.Ok(result.Select(m =>
+        {
+            IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id => new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            return new MinimalManga(m.Key, m.Name, m.Description, m.ReleaseStatus, ids);
+        }).ToList());
+    }
+    
+    /// <summary>
+    /// Returns all cached <see cref="Schema.MangaContext.Manga"/> with <paramref name="MangaIds"/>
+    /// </summary>
+    /// <param name="MangaIds">Array of <see cref="Schema.MangaContext.Manga"/>.Key</param>
+    /// <response code="200"><see cref="DTOs.Manga"/></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPost("WithIDs")]
+    [ProducesResponseType<List<Manga>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<Manga>>, InternalServerError>> GetMangaWithIds ([FromBody]string[] MangaIds)
+    {
+        if (await context.MangaIncludeAll()
+                .Where(m => MangaIds.Contains(m.Key))
+                .ToArrayAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+        
+        return TypedResults.Ok(result.Select(m =>
+        {
+            IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id => new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            IEnumerable<Author> authors = m.Authors.Select(a => new Author(a.Key, a.AuthorName));
+            IEnumerable<string> tags = m.MangaTags.Select(t => t.Tag);
+            IEnumerable<Link> links = m.Links.Select(l => new Link(l.Key, l.LinkProvider, l.LinkUrl));
+            IEnumerable<AltTitle> altTitles = m.AltTitles.Select(a => new AltTitle(a.Language, a.Title));
+            return new Manga(m.Key, m.Name, m.Description, m.ReleaseStatus, ids, m.IgnoreChaptersBefore, m.Year, m.OriginalLanguage, m.ChapterIds, authors, tags, links, altTitles, m.LibraryId);
+        }).ToList());
+    }
+
+    /// <summary>
+    /// Return <see cref="Schema.MangaContext.Manga"/> with <paramref name="MangaId"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Schema.MangaContext.Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    [HttpGet("{MangaId}")]
+    [ProducesResponseType<Manga>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<Manga>, NotFound<string>>> GetManga (string MangaId)
+    {
+        if (await context.MangaIncludeAll().FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        IEnumerable<MangaConnectorId> ids = manga.MangaConnectorIds.Select(id => new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+        IEnumerable<Author> authors = manga.Authors.Select(a => new Author(a.Key, a.AuthorName));
+        IEnumerable<string> tags = manga.MangaTags.Select(t => t.Tag);
+        IEnumerable<Link> links = manga.Links.Select(l => new Link(l.Key, l.LinkProvider, l.LinkUrl));
+        IEnumerable<AltTitle> altTitles = manga.AltTitles.Select(a => new AltTitle(a.Language, a.Title));
+        Manga result = new (manga.Key, manga.Name, manga.Description, manga.ReleaseStatus, ids, manga.IgnoreChaptersBefore, manga.Year, manga.OriginalLanguage, manga.ChapterIds, authors, tags, links, altTitles, manga.LibraryId);
+        
+        return TypedResults.Ok(result);
+    }
+
+    /// <summary>
+    /// Delete <see cref="Manga"/> with <paramref name="MangaId"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpDelete("{MangaId}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> DeleteManga (string MangaId)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        context.Mangas.Remove(manga);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+
+
+    /// <summary>
+    /// Merge two <see cref="Manga"/> into one. THIS IS NOT REVERSIBLE!
+    /// </summary>
+    /// <param name="MangaIdFrom"><see cref="Manga"/>.Key of <see cref="Manga"/> merging data from (getting deleted)</param>
+    /// <param name="MangaIdInto"><see cref="Manga"/>.Key of <see cref="Manga"/> merging data into</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaIdFrom"/> or <paramref name="MangaIdInto"/> not found</response>
+    [HttpPatch("{MangaIdFrom}/MergeInto/{MangaIdInto}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>>> MergeIntoManga (string MangaIdFrom, string MangaIdInto)
+    {
+        if (await context.MangaIncludeAll().FirstOrDefaultAsync(m => m.Key == MangaIdFrom, HttpContext.RequestAborted) is not { } from)
+            return TypedResults.NotFound(nameof(MangaIdFrom));
+        if (await context.MangaIncludeAll().FirstOrDefaultAsync(m => m.Key == MangaIdInto, HttpContext.RequestAborted) is not { } into)
+            return TypedResults.NotFound(nameof(MangaIdInto));
+        
+        BaseWorker[] newJobs = into.MergeFrom(from, context);
+        Tranga.AddWorkers(newJobs);
+        
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Returns Cover of <see cref="Manga"/> with <paramref name="MangaId"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <param name="CoverSize">Size of the cover returned
+    /// <br /> - <see cref="CoverSize.Small"/> <see cref="Constants.ImageSmSize"/>
+    /// <br /> - <see cref="CoverSize.Medium"/> <see cref="Constants.ImageMdSize"/>
+    /// <br /> - <see cref="CoverSize.Large"/> <see cref="Constants.ImageLgSize"/>
+    /// </param>
+    /// <response code="200">JPEG Image</response>
+    /// <response code="204">Cover not loaded</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    /// <response code="503">Retry later, downloading cover</response>
+    [HttpGet("{MangaId}/Cover/{CoverSize?}")]
+    [ProducesResponseType<FileContentResult>(Status200OK,"image/jpeg")]
+    [ProducesResponseType(Status204NoContent)]
+    [ProducesResponseType(Status400BadRequest)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status503ServiceUnavailable)]
+    public async Task<Results<FileContentHttpResult, NoContent, BadRequest, NotFound<string>, StatusCodeHttpResult>> GetCover (string MangaId, CoverSize? CoverSize = null)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+
+        string cache = CoverSize switch
+        {
+            MangaController.CoverSize.Small => TrangaSettings.coverImageCacheSmall,
+            MangaController.CoverSize.Medium => TrangaSettings.coverImageCacheMedium,
+            MangaController.CoverSize.Large => TrangaSettings.coverImageCacheLarge,
+            _ => TrangaSettings.coverImageCacheOriginal
+        };
+
+        if (await manga.GetCoverImage(cache, HttpContext.RequestAborted) is not { } data)
+        {
+            if (Tranga.GetRunningWorkers().Any(worker => worker is DownloadCoverFromMangaconnectorWorker w && context.MangaConnectorToManga.Find(w.MangaConnectorIdId)?.ObjId == MangaId))
+            {
+                Response.Headers.Append("Retry-After", $"{Tranga.Settings.WorkCycleTimeoutMs * 2 / 1000:D}");
+                return TypedResults.StatusCode(Status503ServiceUnavailable);
+            }
+            return TypedResults.NoContent();
+        }
+        
+        DateTime lastModified = data.fileInfo.LastWriteTime;
+        EntityTagHeaderValue entityTagHeaderValue = EntityTagHeaderValue.Parse($"\"{lastModified.Ticks}\"");
+        if(HttpContext.Request.Headers.ETag.Equals(entityTagHeaderValue.Tag.Value))
+            return TypedResults.StatusCode(Status304NotModified);
+        HttpContext.Response.Headers.CacheControl = "public";
+        return TypedResults.Bytes(data.stream.ToArray(), "image/jpeg", lastModified: new DateTimeOffset(lastModified), entityTag: entityTagHeaderValue);
+    }
+    public enum CoverSize { Original, Large, Medium, Small }
+
+    /// <summary>
+    /// Returns all <see cref="Chapter"/> of <see cref="Manga"/> with <paramref name="MangaId"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    [HttpGet("{MangaId}/Chapters")]
+    [ProducesResponseType<List<Chapter>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status404NotFound)]
+    public async Task<Results<Ok<List<Chapter>>, NotFound<string>>> GetChapters(string MangaId)
+    {
+        if (await context.Mangas.Include(m => m.Chapters).ThenInclude(c => c.MangaConnectorIds).FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        List<Chapter> chapters = manga.Chapters.Select(c =>
+        {
+            IEnumerable<MangaConnectorId> ids = c.MangaConnectorIds.Select(id =>
+                new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded);
+        }).ToList();
+        return TypedResults.Ok(chapters);
+    }
+    
+    /// <summary>
+    /// Returns all downloaded <see cref="Chapter"/> for <see cref="Manga"/> with <paramref name="MangaId"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="204">No available chapters</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found.</response>
+    [HttpGet("{MangaId}/Chapters/Downloaded")]
+    [ProducesResponseType<Chapter[]>(Status200OK, "application/json")]
+    [ProducesResponseType(Status204NoContent)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<List<Chapter>>, NoContent, NotFound<string>>> GetChaptersDownloaded(string MangaId)
+    {
+        if (await context.Mangas.Include(m => m.Chapters).FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        List<Chapter> chapters = manga.Chapters.Where(c => c.Downloaded).Select(c =>
+        {
+            IEnumerable<MangaConnectorId> ids = c.MangaConnectorIds.Select(id =>
+                new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded);
+        }).ToList();
+        if (chapters.Count == 0)
+            return TypedResults.NoContent();
+        
+        return TypedResults.Ok(chapters);
+    }
+    
+    /// <summary>
+    /// Returns all <see cref="Chapter"/> not downloaded for <see cref="Manga"/> with <paramref name="MangaId"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="204">No available chapters</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found.</response>
+    [HttpGet("{MangaId}/Chapters/NotDownloaded")]
+    [ProducesResponseType<List<Chapter>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status204NoContent)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<List<Chapter>>, NoContent, NotFound<string>>> GetChaptersNotDownloaded(string MangaId)
+    {
+        if (await context.Mangas.Include(m => m.Chapters).FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        List<Chapter> chapters = manga.Chapters.Where(c => c.Downloaded == false).Select(c =>
+        {
+            IEnumerable<MangaConnectorId> ids = c.MangaConnectorIds.Select(id =>
+                new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            return new Chapter(c.Key, c.ParentMangaId, c.VolumeNumber, c.ChapterNumber, c.Title, ids, c.Downloaded);
+        }).ToList();
+        if (chapters.Count == 0)
+            return TypedResults.NoContent();
+        
+        return TypedResults.Ok(chapters);
+    }
+    
+    /// <summary>
+    /// Returns the latest <see cref="Chapter"/> of requested <see cref="Manga"/> available on <see cref="API.MangaConnectors.MangaConnector"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="204">No available chapters</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found.</response>
+    /// <response code="412">Could not retrieve the maximum chapter-number</response>
+    /// <response code="503">Retry after timeout, updating value</response>
+    [HttpGet("{MangaId}/Chapter/LatestAvailable")]
+    [ProducesResponseType<int>(Status200OK, "application/json")]
+    [ProducesResponseType(Status204NoContent)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status500InternalServerError)]
+    [ProducesResponseType(Status503ServiceUnavailable)]
+    public async Task<Results<Ok<Chapter>, NoContent, InternalServerError, NotFound<string>, StatusCodeHttpResult>> GetLatestChapter(string MangaId)
+    {
+        if (await context.Mangas.Include(m => m.Chapters).FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        List<API.Schema.MangaContext.Chapter> chapters = manga.Chapters.ToList();
+        if (chapters.Count == 0)
+        {
+            if (Tranga.GetRunningWorkers().Any(worker =>
+                    worker is RetrieveMangaChaptersFromMangaconnectorWorker w &&
+                    context.MangaConnectorToManga.Find(w.MangaConnectorIdId)?.ObjId == MangaId &&
+                    w.State < WorkerExecutionState.Completed))
+            {
+                Response.Headers.Append("Retry-After", $"{Tranga.Settings.WorkCycleTimeoutMs * 2 / 1000:D}");
+                return TypedResults.StatusCode(Status503ServiceUnavailable);
+            }
+            else
+                return TypedResults.NoContent();
+        }
+        
+        API.Schema.MangaContext.Chapter? max = chapters.Max();
+        if (max is null)
+            return TypedResults.InternalServerError();
+        
+        foreach (CollectionEntry collectionEntry in context.Entry(max).Collections)
+            await collectionEntry.LoadAsync(HttpContext.RequestAborted);
+        
+        IEnumerable<MangaConnectorId> ids = max.MangaConnectorIds.Select(id =>
+            new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+        return TypedResults.Ok(new Chapter(max.Key, max.ParentMangaId, max.VolumeNumber, max.ChapterNumber, max.Title,ids, max.Downloaded));
+    }
+    
+    /// <summary>
+    /// Returns the latest <see cref="Chapter"/> of requested <see cref="Manga"/> that is downloaded
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="204">No available chapters</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found.</response>
+    /// <response code="412">Could not retrieve the maximum chapter-number</response>
+    /// <response code="503">Retry after timeout, updating value</response>
+    [HttpGet("{MangaId}/Chapter/LatestDownloaded")]
+    [ProducesResponseType<Chapter>(Status200OK, "application/json")]
+    [ProducesResponseType(Status204NoContent)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status412PreconditionFailed)]
+    [ProducesResponseType(Status503ServiceUnavailable)]
+    public async Task<Results<Ok<Chapter>, NoContent, NotFound<string>, StatusCodeHttpResult>>  GetLatestChapterDownloaded(string MangaId)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        await context.Entry(manga).Collection(m => m.Chapters).LoadAsync(HttpContext.RequestAborted);
+        
+        List<API.Schema.MangaContext.Chapter> chapters = manga.Chapters.ToList();
+        if (chapters.Count == 0)
+        {
+            if (Tranga.GetRunningWorkers().Any(worker => worker is RetrieveMangaChaptersFromMangaconnectorWorker w && context.MangaConnectorToManga.Find(w.MangaConnectorIdId)?.ObjId == MangaId && w.State < WorkerExecutionState.Completed))
+            {
+                Response.Headers.Append("Retry-After", $"{Tranga.Settings.WorkCycleTimeoutMs * 2 / 1000:D}");
+                return TypedResults.StatusCode(Status503ServiceUnavailable);
+            }else
+                return TypedResults.NoContent();
+        }
+        
+        API.Schema.MangaContext.Chapter? max = chapters.Max();
+        if (max is null)
+            return TypedResults.StatusCode(Status412PreconditionFailed);
+        
+        IEnumerable<MangaConnectorId> ids = max.MangaConnectorIds.Select(id =>
+            new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+        return TypedResults.Ok(new Chapter(max.Key, max.ParentMangaId, max.VolumeNumber, max.ChapterNumber, max.Title,ids, max.Downloaded));
+    }
+
+    /// <summary>
+    /// Configure the <see cref="Chapter"/> cut-off for <see cref="Manga"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <param name="chapterThreshold">Threshold (<see cref="Chapter"/> ChapterNumber)</param>
+    /// <response code="202"></response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found.</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPatch("{MangaId}/IgnoreChaptersBefore")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> IgnoreChaptersBefore(string MangaId, [FromBody]float chapterThreshold)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        manga.IgnoreChaptersBefore = chapterThreshold;
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Move <see cref="Manga"/> to different <see cref="FileLibrary"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <param name="LibraryId"><see cref="FileLibrary"/>.Key</param>
+    /// <response code="202">Folder is going to be moved</response>
+    /// <response code="404"><paramref name="MangaId"/> or <paramref name="LibraryId"/> not found</response>
+    [HttpPost("{MangaId}/ChangeLibrary/{LibraryId}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>>> ChangeLibrary(string MangaId, string LibraryId)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        if (await context.FileLibraries.FirstOrDefaultAsync(l => l.Key == LibraryId, HttpContext.RequestAborted) is not { } library)
+            return TypedResults.NotFound(nameof(LibraryId));
+        
+        if(manga.LibraryId == library.Key)
+            return TypedResults.Ok();
+
+        MoveMangaLibraryWorker moveLibrary = new(manga, library);
+        
+        Tranga.AddWorkers([moveLibrary]);
+        
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// (Un-)Marks <see cref="Manga"/> as requested for Download from <see cref="API.MangaConnectors.MangaConnector"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/> with <paramref name="MangaId"/></param>
+    /// <param name="MangaConnectorName"><see cref="API.MangaConnectors.MangaConnector"/> with <paramref name="MangaConnectorName"/></param>
+    /// <param name="IsRequested">true to mark as requested, false to mark as not-requested</param>
+    /// <response code="200"></response>
+    /// <response code="404"><paramref name="MangaId"/> or <paramref name="MangaConnectorName"/> not found</response>
+    /// <response code="412"><see cref="Manga"/> was not linked to <see cref="API.MangaConnectors.MangaConnector"/>, so nothing changed</response>
+    /// <response code="428"><see cref="Manga"/> is not linked to <see cref="API.MangaConnectors.MangaConnector"/> yet. Search for <see cref="Manga"/> on <see cref="API.MangaConnectors.MangaConnector"/> first (to create a <see cref="MangaConnectorId{T}"/>).</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPost("{MangaId}/SetAsDownloadFrom/{MangaConnectorName}/{IsRequested}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound,  "text/plain")]
+    [ProducesResponseType<string>(Status412PreconditionFailed,  "text/plain")]
+    [ProducesResponseType<string>(Status428PreconditionRequired,  "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError,  "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, StatusCodeHttpResult, InternalServerError<string>>> MarkAsRequested(string MangaId, string MangaConnectorName, bool IsRequested)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } _)
+            return TypedResults.NotFound(nameof(MangaId));
+        if(!Tranga.TryGetMangaConnector(MangaConnectorName, out API.MangaConnectors.MangaConnector? _))
+            return TypedResults.NotFound(nameof(MangaConnectorName));
+
+        if (context.MangaConnectorToManga
+                .FirstOrDefault(id => id.MangaConnectorName == MangaConnectorName && id.ObjId == MangaId)
+            is not { } mcId)
+        {
+            if(IsRequested)
+                return TypedResults.StatusCode(Status428PreconditionRequired);
+            else
+                return TypedResults.StatusCode(Status412PreconditionFailed);
+        }
+
+        mcId.UseForDownload = IsRequested;
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+
+        DownloadCoverFromMangaconnectorWorker downloadCover = new(mcId);
+        RetrieveMangaChaptersFromMangaconnectorWorker retrieveChapters = new(mcId, Tranga.Settings.DownloadLanguage);
+        Tranga.AddWorkers([downloadCover, retrieveChapters]);
+        
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Initiate a search for <see cref="API.Schema.MangaContext.Manga"/> on a different <see cref="API.MangaConnectors.MangaConnector"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="API.Schema.MangaContext.Manga"/> with <paramref name="MangaId"/></param>
+    /// <param name="MangaConnectorName"><see cref="API.MangaConnectors.MangaConnector"/>.Name</param>
+    /// <response code="200"><see cref="MinimalManga"/> exert of <see cref="Schema.MangaContext.Manga"/></response>
+    /// <response code="404"><see cref="API.MangaConnectors.MangaConnector"/> with Name not found</response>
+    /// <response code="412"><see cref="API.MangaConnectors.MangaConnector"/> with Name is disabled</response>
+    [HttpPost("{MangaId}/SearchOn/{MangaConnectorName}")]
+    [ProducesResponseType<List<MinimalManga>>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status406NotAcceptable)]
+    public async Task<Results<Ok<List<MinimalManga>>, NotFound<string>, StatusCodeHttpResult>> SearchOnDifferentConnector (string MangaId, string MangaConnectorName)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+
+        return new SearchController(context).SearchManga(MangaConnectorName, manga.Name);
+    }
+    
+    /// <summary>
+    /// Returns all <see cref="Manga"/> which where Authored by <see cref="Author"/> with <paramref name="AuthorId"/>
+    /// </summary>
+    /// <param name="AuthorId"><see cref="Author"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Author"/> with <paramref name="AuthorId"/></response>
+    /// /// <response code="500">Error during Database Operation</response>
+    [HttpGet("WithAuthorId/{AuthorId}")]
+    [ProducesResponseType<List<Manga>>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<List<Manga>>, NotFound<string>, InternalServerError>> GetMangaWithAuthorIds (string AuthorId)
+    {
+        if (await context.Authors.FirstOrDefaultAsync(a => a.Key == AuthorId, HttpContext.RequestAborted) is not { } _)
+            return TypedResults.NotFound(nameof(AuthorId));
+
+        if (await context.MangaIncludeAll().Where(m => m.Authors.Any(a => a.Key == AuthorId)).ToListAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+
+        return TypedResults.Ok(result.Select(m =>
+        {
+            IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id => new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            IEnumerable<Author> authors = m.Authors.Select(a => new Author(a.Key, a.AuthorName));
+            IEnumerable<string> tags = m.MangaTags.Select(t => t.Tag);
+            IEnumerable<Link> links = m.Links.Select(l => new Link(l.Key, l.LinkProvider, l.LinkUrl));
+            IEnumerable<AltTitle> altTitles = m.AltTitles.Select(a => new AltTitle(a.Language, a.Title));
+            return new Manga(m.Key, m.Name, m.Description, m.ReleaseStatus, ids, m.IgnoreChaptersBefore, m.Year, m.OriginalLanguage, m.ChapterIds, authors, tags, links, altTitles, m.LibraryId);
+        }).ToList());
+    }
+    
+    /// <summary>
+    /// Returns all <see cref="Manga"/> with <see cref="Tag"/>
+    /// </summary>
+    /// <param name="Tag"><see cref="Tag"/>.Tag</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Tag"/> not found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet("WithTag/{Tag}")]
+    [ProducesResponseType<Manga[]>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<Manga>>, NotFound<string>, InternalServerError>> GetMangasWithTag (string Tag)
+    {
+        if (await context.Tags.FirstOrDefaultAsync(t => t.Tag == Tag, HttpContext.RequestAborted) is not { } tag)
+            return TypedResults.NotFound(nameof(Tag));
+
+
+        if (await context.MangaIncludeAll().Where(m => m.MangaTags.Any(t => t.Tag.Equals(tag))) .ToListAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+
+        return TypedResults.Ok(result.Select(m =>
+        {
+            IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id => new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            IEnumerable<Author> authors = m.Authors.Select(a => new Author(a.Key, a.AuthorName));
+            IEnumerable<string> tags = m.MangaTags.Select(t => t.Tag);
+            IEnumerable<Link> links = m.Links.Select(l => new Link(l.Key, l.LinkProvider, l.LinkUrl));
+            IEnumerable<AltTitle> altTitles = m.AltTitles.Select(a => new AltTitle(a.Language, a.Title));
+            return new Manga(m.Key, m.Name, m.Description, m.ReleaseStatus, ids, m.IgnoreChaptersBefore, m.Year, m.OriginalLanguage, m.ChapterIds, authors, tags, links, altTitles, m.LibraryId);
+        }).ToList());
+    }
+}

API/Controllers/MetadataFetcherController.cs

@@ -0,0 +1,129 @@
+using API.Schema.MangaContext;
+using API.Schema.MangaContext.MetadataFetchers;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using Microsoft.EntityFrameworkCore;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class MetadataFetcherController(MangaContext context) : Controller
+{
+    /// <summary>
+    /// Get all <see cref="MetadataFetcher"/> (Metadata-Sites)
+    /// </summary>
+    /// <response code="200">Names of <see cref="MetadataFetcher"/> (Metadata-Sites)</response>
+    [HttpGet]
+    [ProducesResponseType<List<string>>(Status200OK, "application/json")]
+    public Ok<List<string>> GetConnectors ()
+    {
+        return TypedResults.Ok(Tranga.MetadataFetchers.Select(m => m.Name).ToList());
+    }
+
+    /// <summary>
+    /// Returns all <see cref="MetadataEntry"/>
+    /// </summary>
+    /// <response code="200"></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet("Links")]
+    [ProducesResponseType<List<MetadataEntry>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<MetadataEntry>>, InternalServerError>> GetLinkedEntries ()
+    {
+        if (await context.MetadataEntries.ToListAsync() is not { } result)
+            return TypedResults.InternalServerError();
+        
+        return TypedResults.Ok(result);
+    }
+
+    /// <summary>
+    /// Searches <see cref="MetadataFetcher"/> (Metadata-Sites) for Manga-Metadata
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <param name="MetadataFetcherName"><see cref="MetadataFetcher"/>.Name</param>
+    /// <param name="searchTerm">Instead of using the <paramref name="MangaId"/> for search on Website, use a specific term</param>
+    /// <response code="200"></response>
+    /// <response code="400"><see cref="MetadataFetcher"/> (Metadata-Sites) with <paramref name="MetadataFetcherName"/> does not exist</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    [HttpPost("{MetadataFetcherName}/SearchManga/{MangaId}")]
+    [ProducesResponseType<MetadataSearchResult[]>(Status200OK, "application/json")]
+    [ProducesResponseType(Status400BadRequest)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<List<MetadataSearchResult>>, BadRequest, NotFound<string>>> SearchMangaMetadata(string MangaId, string MetadataFetcherName, [FromBody (EmptyBodyBehavior = EmptyBodyBehavior.Allow)]string? searchTerm = null)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        if(Tranga.MetadataFetchers.FirstOrDefault(f => f.Name == MetadataFetcherName) is not { } fetcher)
+            return TypedResults.BadRequest();
+
+        MetadataSearchResult[] searchResults = searchTerm is null ? fetcher.SearchMetadataEntry(manga) : fetcher.SearchMetadataEntry(searchTerm);
+        return TypedResults.Ok(searchResults.ToList());
+    }
+
+    /// <summary>
+    /// Links <see cref="MetadataFetcher"/> (Metadata-Sites) using Provider-Specific Identifier to <see cref="Manga"/>
+    /// </summary>
+    /// <param name="MangaId"><see cref="Manga"/>.Key</param>
+    /// <param name="MetadataFetcherName"><see cref="MetadataFetcher"/>.Name</param>
+    /// <param name="Identifier"><see cref="MetadataFetcherName"/>-Specific ID</param>
+    /// <response code="200"></response>
+    /// <response code="400"><see cref="MetadataFetcher"/> (Metadata-Sites) with <paramref name="MetadataFetcherName"/> does not exist</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPost("{MetadataFetcherName}/Link/{MangaId}")]
+    [ProducesResponseType<MetadataEntry>(Status200OK, "application/json")]
+    [ProducesResponseType(Status400BadRequest)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok<MetadataEntry>, BadRequest, NotFound<string>, InternalServerError<string>>> LinkMangaMetadata (string MangaId, string MetadataFetcherName, [FromBody]string Identifier)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        if(Tranga.MetadataFetchers.FirstOrDefault(f => f.Name == MetadataFetcherName) is not { } fetcher)
+            return TypedResults.BadRequest();
+        
+        MetadataEntry entry = fetcher.CreateMetadataEntry(manga, Identifier);
+        context.MetadataEntries.Add(entry);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok(entry);
+    }
+
+    /// <summary>
+    /// Un-Links <see cref="MetadataFetcher"/> (Metadata-Sites) from <see cref="Manga"/>
+    /// </summary>
+    /// <response code="200"></response>
+    /// <response code="400"><see cref="MetadataFetcher"/> (Metadata-Sites) with <paramref name="MetadataFetcherName"/> does not exist</response>
+    /// <response code="404"><see cref="Manga"/> with <paramref name="MangaId"/> not found</response>
+    /// <response code="412">No <see cref="MetadataEntry"/> linking <see cref="Manga"/> and <see cref="MetadataFetcher"/> found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPost("{MetadataFetcherName}/Unlink/{MangaId}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status400BadRequest)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status412PreconditionFailed)]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, BadRequest, NotFound<string>, InternalServerError<string>, StatusCodeHttpResult>> UnlinkMangaMetadata (string MangaId, string MetadataFetcherName)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } _)
+            return TypedResults.NotFound(nameof(MangaId));
+        if(Tranga.MetadataFetchers.FirstOrDefault(f => f.Name == MetadataFetcherName) is null)
+            return TypedResults.BadRequest();
+        if (context.MetadataEntries.FirstOrDefault(e =>
+                e.MangaId == MangaId && e.MetadataFetcherName == MetadataFetcherName) is not { } entry)
+            return TypedResults.StatusCode(Status412PreconditionFailed);
+
+        context.Remove(entry);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/NotificationConnectorController.cs

@@ -0,0 +1,165 @@
+using System.Text;
+using API.Controllers.DTOs;
+using API.Controllers.Requests;
+using API.Schema.NotificationsContext;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Produces("application/json")]
+[Route("v{v:apiVersion}/[controller]")]
+public class NotificationConnectorController(NotificationsContext context) : Controller
+{
+    /// <summary>
+    /// Gets all configured <see cref="NotificationConnector"/>
+    /// </summary>
+    /// <response code="200"></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet]
+    [ProducesResponseType<List<NotificationConnector>>(Status200OK, "application/json")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<NotificationConnector>>, InternalServerError>> GetAllConnectors ()
+    {
+        if(await context.NotificationConnectors.ToListAsync(HttpContext.RequestAborted) is not { } result)
+            return TypedResults.InternalServerError();
+
+        List<NotificationConnector> notificationConnectors = result.Select(n => new NotificationConnector(n.Name, n.Url, n.HttpMethod, n.Body, n.Headers)).ToList();
+
+        return TypedResults.Ok(notificationConnectors);
+    }
+    
+    /// <summary>
+    /// Returns <see cref="NotificationConnector"/> with requested Name
+    /// </summary>
+    /// <param name="Name"><see cref="NotificationConnector"/>.Name</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="NotificationConnector"/> with <paramref name="Name"/> not found</response>
+    [HttpGet("{Name}")]
+    [ProducesResponseType<NotificationConnector>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<NotificationConnector>, NotFound<string>>> GetConnector (string Name)
+    {
+        if (await context.NotificationConnectors.FirstOrDefaultAsync(c => c.Name == Name, HttpContext.RequestAborted) is not { } connector)
+            return TypedResults.NotFound(nameof(Name));
+
+        NotificationConnector notificationConnector = new NotificationConnector(connector.Name, connector.Url, connector.HttpMethod, connector.Body, connector.Headers);
+
+        return TypedResults.Ok(notificationConnector);
+    }
+    
+    /// <summary>
+    /// Creates a new <see cref="NotificationConnector"/>
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" can be placed in url, header-values and body and will be replaced when notifications are sent</remarks>
+    /// <response code="200">ID of the new <see cref="NotificationConnector"/></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPut]
+    [ProducesResponseType<string>(Status201Created, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Created<string>, InternalServerError<string>>> CreateConnector ([FromBody]CreateNotificationConnectorRecord requestData)
+    {
+        // TODO validate data
+        API.Schema.NotificationsContext.NotificationConnectors.NotificationConnector newConnector =
+            new(requestData.Name, requestData.Url, requestData.Headers, requestData.HttpMethod, requestData.Body);
+        
+        context.NotificationConnectors.Add(newConnector);
+        context.Notifications.Add(new ("Added new Notification Connector!", newConnector.Name, NotificationUrgency.High));
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Created(string.Empty, newConnector.Name);
+    }
+    
+    /// <summary>
+    /// Creates a new Gotify-<see cref="NotificationConnector"/>
+    /// </summary>
+    /// <remarks>Priority needs to be between 0 and 10</remarks>
+    /// <response code="200">ID of the new <see cref="NotificationConnector"/></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPut("Gotify")]
+    [ProducesResponseType<string>(Status201Created, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Created<string>, InternalServerError<string>>> CreateGotifyConnector ([FromBody]CreateGotifyConnectorRecord createGotifyConnectorData)
+    {
+        //TODO Validate Data
+        CreateNotificationConnectorRecord gotifyConnector = new (createGotifyConnectorData.Name,
+            createGotifyConnectorData.Url, 
+            "POST", 
+            $"{{\"message\": \"%text\", \"title\": \"%title\", \"Priority\": {createGotifyConnectorData.Priority}}}",
+            new () { { "X-Gotify-Key", createGotifyConnectorData.AppToken } });
+        return await CreateConnector(gotifyConnector);
+    }
+    
+    /// <summary>
+    /// Creates a new Ntfy-<see cref="NotificationConnector"/>
+    /// </summary>
+    /// <remarks>Priority needs to be between 1 and 5</remarks>
+    /// <response code="200">ID of the new <see cref="NotificationConnector"/></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPut("Ntfy")]
+    [ProducesResponseType<string>(Status201Created, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Created<string>, InternalServerError<string>>> CreateNtfyConnector ([FromBody]CreateNtfyConnectorRecord createNtfyConnectorRecord)
+    {
+        //TODO Validate Data
+        string authHeader = "Basic " + Convert.ToBase64String(Encoding.UTF8.GetBytes($"{createNtfyConnectorRecord.Username}:{createNtfyConnectorRecord.Password}"));
+        string auth = Convert.ToBase64String(Encoding.UTF8.GetBytes(authHeader)).Replace("=","");
+        
+        CreateNotificationConnectorRecord ntfyConnector = new (createNtfyConnectorRecord.Name,
+            $"{createNtfyConnectorRecord.Url}?auth={auth}", 
+            "POST", 
+            $"{{\"message\": \"%text\", \"title\": \"%title\", \"Priority\": {createNtfyConnectorRecord.Priority} \"Topic\": \"{createNtfyConnectorRecord.Topic}\"}}",
+            new () {{"Authorization", auth}});
+        return await CreateConnector(ntfyConnector);
+    }
+    
+    /// <summary>
+    /// Creates a new Pushover-<see cref="NotificationConnector"/>
+    /// </summary>
+    /// <remarks>https://pushover.net/api</remarks>
+    /// <response code="200">ID of the new <see cref="NotificationConnector"/></response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPut("Pushover")]
+    [ProducesResponseType<string>(Status201Created, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Created<string>, InternalServerError<string>>> CreatePushoverConnector ([FromBody]CreatePushoverConnectorRecord createPushoverConnectorRecord)
+    {
+        //TODO Validate Data
+        CreateNotificationConnectorRecord pushoverConnector = new  (createPushoverConnectorRecord.Name,
+            $"https://api.pushover.net/1/messages.json", 
+            "POST", 
+            $"{{\"token\": \"{createPushoverConnectorRecord.AppToken}\", \"user\": \"{createPushoverConnectorRecord.Username}\", \"message:\":\"%text\", \"%title\" }}",
+            new ());
+        return await CreateConnector(pushoverConnector);
+    }
+    
+    /// <summary>
+    /// Deletes the <see cref="NotificationConnector"/> with the requested Name
+    /// </summary>
+    /// <param name="Name"><see cref="NotificationConnector"/>.Name</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="NotificationConnector"/> with Name not found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpDelete("{Name}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> DeleteConnector (string Name)
+    {
+        if (await context.NotificationConnectors.FirstOrDefaultAsync(c => c.Name == Name, HttpContext.RequestAborted) is not { } connector)
+            return TypedResults.NotFound(nameof(Name));
+        
+        context.NotificationConnectors.Remove(connector);
+        
+        if(await context.Sync(HttpContext.RequestAborted) is { success: false } result)
+            return TypedResults.InternalServerError(result.exceptionMessage);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/QueryController.cs

@@ -0,0 +1,124 @@
+using API.Controllers.DTOs;
+using API.Schema.MangaContext;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Soenneker.Utils.String.NeedlemanWunsch;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+using Author = API.Controllers.DTOs.Author;
+using Chapter = API.Controllers.DTOs.Chapter;
+
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class QueryController(MangaContext context) : Controller
+{
+    /// <summary>
+    /// Returns the <see cref="Author"/> with <paramref name="AuthorId"/>
+    /// </summary>
+    /// <param name="AuthorId"><see cref="Author"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Author"/> with <paramref name="AuthorId"/> not found</response>
+    [HttpGet("Author/{AuthorId}")]
+    [ProducesResponseType<Author>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<Author>, NotFound<string>>> GetAuthor (string AuthorId)
+    {
+        if (await context.Authors.FirstOrDefaultAsync(a => a.Key == AuthorId, HttpContext.RequestAborted) is not { } author)
+            return TypedResults.NotFound(nameof(AuthorId));
+        
+        return TypedResults.Ok(new Author(author.Key, author.AuthorName));
+    }
+    
+    /// <summary>
+    /// Returns <see cref="Chapter"/> with <paramref name="ChapterId"/>
+    /// </summary>
+    /// <param name="ChapterId"><see cref="Chapter"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Chapter"/> with <paramref name="ChapterId"/> not found</response>
+    [HttpGet("Chapter/{ChapterId}")]
+    [ProducesResponseType<Chapter>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<Chapter>, NotFound<string>>> GetChapter (string ChapterId)
+    {
+        if (await context.Chapters.FirstOrDefaultAsync(c => c.Key == ChapterId, HttpContext.RequestAborted) is not { } chapter)
+            return TypedResults.NotFound(nameof(ChapterId));
+        
+        IEnumerable<MangaConnectorId> ids = chapter.MangaConnectorIds.Select(id =>
+            new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+        return TypedResults.Ok(new Chapter(chapter.Key, chapter.ParentMangaId, chapter.VolumeNumber, chapter.ChapterNumber, chapter.Title,ids, chapter.Downloaded));
+    }
+
+    /// <summary>
+    /// Returns the <see cref="MangaConnectorId{Manga}"/> with <see cref="MangaConnectorId{Manga}"/>.Key
+    /// </summary>
+    /// <param name="MangaConnectorIdId">Key of <see cref="MangaConnectorId{Manga}"/></param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="MangaConnectorId{Manga}"/> with <paramref name="MangaConnectorIdId"/> not found</response>
+    [HttpGet("Manga/MangaConnectorId/{MangaConnectorIdId}")]
+    [ProducesResponseType<MangaConnectorId>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<MangaConnectorId>, NotFound<string>>> GetMangaMangaConnectorId (string MangaConnectorIdId)
+    {
+        if (await context.MangaConnectorToManga.FirstOrDefaultAsync(c => c.Key == MangaConnectorIdId, HttpContext.RequestAborted) is not { } mcIdManga)
+            return TypedResults.NotFound(nameof(MangaConnectorIdId));
+
+        MangaConnectorId result = new (mcIdManga.Key, mcIdManga.MangaConnectorName, mcIdManga.ObjId, mcIdManga.WebsiteUrl, mcIdManga.UseForDownload);
+        
+        return TypedResults.Ok(result);
+    }
+
+    /// <summary>
+    /// Returns <see cref="Schema.MangaContext.Manga"/> with names similar to <see cref="Schema.MangaContext.Manga"/> (identified by <paramref name="MangaId"/>)
+    /// </summary>
+    /// <param name="MangaId">Key of <see cref="Schema.MangaContext.Manga"/></param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="Schema.MangaContext.Manga"/> with <paramref name="MangaId"/> not found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpGet("Manga/{MangaId}/SimilarName")]
+    [ProducesResponseType<List<string>>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<string>>, NotFound<string>, InternalServerError>> GetSimilarManga (string MangaId)
+    {
+        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+            return TypedResults.NotFound(nameof(MangaId));
+        
+        string name = manga.Name;
+
+        if (await context.Mangas.Where(m => m.Key != MangaId)
+                .ToDictionaryAsync(m => m.Key, m => m.Name, HttpContext.RequestAborted) is not { } mangaNames)
+            return TypedResults.InternalServerError();
+
+        List<string> similarIds = mangaNames
+            .Where(kv => NeedlemanWunschStringUtil.CalculateSimilarityPercentage(name, kv.Value) > 0.8)
+            .Select(kv => kv.Key)
+            .ToList();
+        
+        return TypedResults.Ok(similarIds);
+    }
+
+    /// <summary>
+    /// Returns the <see cref="MangaConnectorId{Chapter}"/> with <see cref="MangaConnectorId{Chapter}"/>.Key
+    /// </summary>
+    /// <param name="MangaConnectorIdId">Key of <see cref="MangaConnectorId{Manga}"/></param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="MangaConnectorId{Chapter}"/> with <paramref name="MangaConnectorIdId"/> not found</response>
+    [HttpGet("Chapter/MangaConnectorId/{MangaConnectorIdId}")]
+    [ProducesResponseType<MangaConnectorId>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public async Task<Results<Ok<MangaConnectorId>, NotFound<string>>>  GetChapterMangaConnectorId (string MangaConnectorIdId)
+    {
+        if (await context.MangaConnectorToManga.FirstOrDefaultAsync(c => c.Key == MangaConnectorIdId, HttpContext.RequestAborted) is not { } mcIdChapter)
+            return TypedResults.NotFound(nameof(MangaConnectorIdId));
+        
+        MangaConnectorId result = new(mcIdChapter.Key, mcIdChapter.MangaConnectorName, mcIdChapter.ObjId, mcIdChapter.WebsiteUrl, mcIdChapter.UseForDownload);
+        
+        return TypedResults.Ok(result);
+    }
+}

API/Controllers/Requests/CreateGotifyConnectorRecord.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.Requests;
+
+public record CreateGotifyConnectorRecord(string Name, string Url, string AppToken, int Priority)
+{
+    /// <summary>
+    /// The Name of the Notification Connector
+    /// </summary>
+    [Required]
+    [Description("The Name of the Notification Connector")]
+    public string Name { get; init; } = Name;
+    
+    /// <summary>
+    /// The Url of the Instance
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Url]
+    [Description("The Url of the Instance")]
+    public string Url { get; internal set; } = Url;
+    
+    /// <summary>
+    /// The Apptoken used for authentication
+    /// </summary>
+    [Required]
+    [Description("The Apptoken used for authentication")]
+    public string AppToken { get; init; } = AppToken;
+    
+    /// <summary>
+    /// The Priority of Notifications
+    /// </summary>
+    [Required]
+    [Description("The Priority of Notifications")]
+    public int Priority { get; init; } = Priority;
+}

API/Controllers/Requests/CreateLibraryConnectorRecord.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using API.Schema.LibraryContext.LibraryConnectors;
+
+namespace API.Controllers.Requests;
+
+public sealed record CreateLibraryConnectorRecord(LibraryType LibraryType, string Url, string Username, string Password)
+{
+    /// <summary>
+    /// The <see cref="LibraryType"/>
+    /// </summary>
+    [Required]
+    [Description("The Library Type")]
+    public LibraryType LibraryType { get; init; } = LibraryType;
+    
+    /// <summary>
+    /// The Url of the Library instance
+    /// </summary>
+    [Required]
+    [Url]
+    [Description("The Url of the Library instance")]
+    public string Url { get; init; } = Url;
+    
+    /// <summary>
+    /// The Username to authenticate to the Library instance
+    /// </summary>
+    [Required]
+    [Description("The Username to authenticate to the Library instance")]
+    public string Username { get; init; } = Username;
+    
+    /// <summary>
+    /// The Password to authenticate to the Library instance
+    /// </summary>
+    [Required]
+    [Description("The Password to authenticate to the Library instance")]
+    public string Password { get; init; } = Password;
+}

API/Controllers/Requests/CreateLibraryRecord.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.Requests;
+
+public sealed record CreateLibraryRecord(string BasePath, string LibraryName)
+{
+    /// <summary>
+    /// The directory Path of the library
+    /// </summary>
+    [Required]
+    [Description("The directory Path of the library")]
+    public string BasePath { get; init; } = BasePath;
+    
+    /// <summary>
+    /// The Name of the library
+    /// </summary>
+    [Required]
+    [Description("The Name of the library")]
+    public string LibraryName { get; init; } = LibraryName;
+}

API/Controllers/Requests/CreateNotificationConnectorRecord.cs

@@ -0,0 +1,46 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.Requests;
+
+public record CreateNotificationConnectorRecord(string Name, string Url, string HttpMethod, string Body, Dictionary<string, string> Headers)
+{
+    /// <summary>
+    /// The Name of the Notification Connector
+    /// </summary>
+    [Required]
+    [Description("The Name of the Notification Connector")]
+    public string Name { get; init; } = Name;
+    
+    /// <summary>
+    /// The Url of the Instance
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Url]
+    [Description("The Url of the Instance")]
+    public string Url { get; internal set; } = Url;
+    
+    /// <summary>
+    /// The HTTP Request Method to use for notifications
+    /// </summary>
+    [Required]
+    [Description("The HTTP Request Method to use for notifications")]
+    public string HttpMethod { get; internal set; } = HttpMethod;
+
+    /// <summary>
+    /// The Request Body to use to send notifications
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Description("The Request Body to use to send notifications")]
+    public string Body { get; internal set; } = Body;
+
+    /// <summary>
+    /// The Request Headers to use to send notifications
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Description("The Request Headers to use to send notifications")]
+    public Dictionary<string, string> Headers { get; internal set; } = Headers;
+}

API/Controllers/Requests/CreateNtfyConnectorRecord.cs

@@ -0,0 +1,51 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.Requests;
+
+public record CreateNtfyConnectorRecord(string Name, string Url, string Username, string Password, string Topic, int Priority)
+{
+    /// <summary>
+    /// The Name of the Notification Connector
+    /// </summary>
+    [Required]
+    [Description("The Name of the Notification Connector")]
+    public string Name { get; init; } = Name;
+    
+    /// <summary>
+    /// The Url of the Instance
+    /// </summary>
+    /// <remarks>Formatting placeholders: "%title" and "%text" will be replaced when notifications are sent</remarks>
+    [Required]
+    [Url]
+    [Description("The Url of the Instance")]
+    public string Url { get; internal set; } = Url;
+    
+    /// <summary>
+    /// The Priority of Notifications
+    /// </summary>
+    [Required]
+    [Description("The Priority of Notifications")]
+    public int Priority { get; init; } = Priority;
+    
+    /// <summary>
+    /// The Username used for authentication
+    /// </summary>
+    [Required]
+    [Description("The Username used for authentication")]
+    public string Username { get; init; } = Username;
+    
+    /// <summary>
+    /// The Password used for authentication
+    /// </summary>
+    [Required]
+    [Description("The Password used for authentication")]
+    public string Password { get; init; } = Password;
+    
+    /// <summary>
+    /// The Topic of Notifications
+    /// </summary>
+    [Required]
+    [Description("The Topic of Notifications")]
+    public string Topic { get; init; } = Topic;
+}

API/Controllers/Requests/CreatePushoverConnectorRecord.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.Requests;
+
+public record CreatePushoverConnectorRecord(string Name, string AppToken, string Username)
+{
+    /// <summary>
+    /// The Name of the Notification Connector
+    /// </summary>
+    [Required]
+    [Description("The Name of the Notification Connector")]
+    public string Name { get; init; } = Name;
+    
+    /// <summary>
+    /// The Apptoken used for authentication
+    /// </summary>
+    [Required]
+    [Description("The Apptoken used for authentication")]
+    public string AppToken { get; init; } = AppToken;
+    
+    /// <summary>
+    /// The Username used for authentication
+    /// </summary>
+    [Required]
+    [Description("The Username used for authentication")]
+    public string Username { get; init; } = Username;
+}

API/Controllers/SearchController.cs

@@ -0,0 +1,79 @@
+using API.Controllers.DTOs;
+using API.Schema.MangaContext;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+using Manga = API.Schema.MangaContext.Manga;
+
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class SearchController(MangaContext context) : Controller
+{
+    /// <summary>
+    /// Initiate a search for a <see cref="Schema.MangaContext.Manga"/> on <see cref="MangaConnector"/> with searchTerm
+    /// </summary>
+    /// <param name="MangaConnectorName"><see cref="MangaConnector"/>.Name</param>
+    /// <param name="Query">searchTerm</param>
+    /// <response code="200"><see cref="MinimalManga"/> exert of <see cref="Schema.MangaContext.Manga"/></response>
+    /// <response code="404"><see cref="MangaConnector"/> with Name not found</response>
+    /// <response code="412"><see cref="MangaConnector"/> with Name is disabled</response>
+    [HttpGet("{MangaConnectorName}/{Query}")]
+    [ProducesResponseType<List<MinimalManga>>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status406NotAcceptable)]
+    public Results<Ok<List<MinimalManga>>, NotFound<string>, StatusCodeHttpResult> SearchManga (string MangaConnectorName, string Query)
+    {
+        if(Tranga.MangaConnectors.FirstOrDefault(c => c.Name.Equals(MangaConnectorName, StringComparison.InvariantCultureIgnoreCase)) is not { } connector)
+            return TypedResults.NotFound(nameof(MangaConnectorName));
+        if (connector.Enabled is false)
+            return TypedResults.StatusCode(Status412PreconditionFailed);
+        
+        (Manga manga, MangaConnectorId<Manga> id)[] mangas = connector.SearchManga(Query);
+
+        IEnumerable<(Manga manga, MangaConnectorId<Manga> id)> addedManga = mangas.Where(kv => context.AddMangaToContext(kv, HttpContext.RequestAborted).GetAwaiter().GetResult());
+
+        IEnumerable<MinimalManga> result = addedManga.Select(manga => manga.manga).Select(m =>
+        {
+            IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id =>
+                new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+            return new MinimalManga(m.Key, m.Name, m.Description, m.ReleaseStatus, ids);
+        });
+
+        return TypedResults.Ok(result.ToList());
+    }
+
+    /// <summary>
+    /// Returns <see cref="Schema.MangaContext.Manga"/> from the <see cref="MangaConnector"/> associated with <paramref name="url"/>
+    /// </summary>
+    /// <param name="url"></param>
+    /// <response code="200"><see cref="MinimalManga"/> exert of <see cref="Schema.MangaContext.Manga"/>.</response>
+    /// <response code="404"><see cref="Manga"/> not found</response>
+    /// <response code="500">Error during Database Operation</response>
+    [HttpPost("Url")]
+    [ProducesResponseType<MinimalManga>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
+    public async Task<Results<Ok<MinimalManga>, NotFound<string>, InternalServerError<string>>> GetMangaFromUrl ([FromBody]string url)
+    {
+        if(Tranga.MangaConnectors.FirstOrDefault(c => c.Name.Equals("Global", StringComparison.InvariantCultureIgnoreCase)) is not { } connector)
+            return TypedResults.InternalServerError("Could not find Global Connector.");
+
+        if(connector.GetMangaFromUrl(url) is not ({ } m, not null) manga)
+            return TypedResults.NotFound("Could not retrieve Manga");
+        
+        if(await context.AddMangaToContext(manga, HttpContext.RequestAborted) == false)
+            return TypedResults.InternalServerError("Could not add Manga to context");  
+        
+        IEnumerable<MangaConnectorId> ids = m.MangaConnectorIds.Select(id =>
+            new MangaConnectorId(id.Key, id.MangaConnectorName, id.ObjId, id.WebsiteUrl, id.UseForDownload));
+        MinimalManga result = new (m.Key, m.Name, m.Description, m.ReleaseStatus, ids);
+
+        return TypedResults.Ok(result);
+    }
+}

API/Controllers/SettingsController.cs

@@ -0,0 +1,293 @@
+using API.MangaDownloadClients;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{v:apiVersion}/[controller]")]
+public class SettingsController() : Controller
+{
+    /// <summary>
+    /// Get all <see cref="Tranga.Settings"/>
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet]
+    [ProducesResponseType<TrangaSettings>(Status200OK, "application/json")]
+    public Ok<TrangaSettings> GetSettings()
+    {
+        return TypedResults.Ok(Tranga.Settings);
+    }
+    
+    /// <summary>
+    /// Get the current UserAgent used by Tranga
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet("UserAgent")]
+    [ProducesResponseType<string>(Status200OK, "text/plain")]
+    public Ok<string> GetUserAgent()
+    {
+        return TypedResults.Ok(Tranga.Settings.UserAgent);
+    }
+    
+    /// <summary>
+    /// Set a new UserAgent
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpPatch("UserAgent")]
+    [ProducesResponseType(Status200OK)]
+    public Ok SetUserAgent([FromBody]string userAgent)
+    {
+        //TODO Validate
+        Tranga.Settings.SetUserAgent(userAgent);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Reset the UserAgent to default
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpDelete("UserAgent")]
+    [ProducesResponseType(Status200OK)]
+    public Ok ResetUserAgent()
+    {
+        Tranga.Settings.SetUserAgent(TrangaSettings.DefaultUserAgent);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Get all Request-Limits
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet("RequestLimits")]
+    [ProducesResponseType<Dictionary<RequestType,int>>(Status200OK, "application/json")]
+    public Ok<Dictionary<RequestType,int>> GetRequestLimits()
+    {
+        return TypedResults.Ok(Tranga.Settings.RequestLimits);
+    }
+    
+    /// <summary>
+    /// Update all Request-Limits to new values
+    /// </summary>
+    /// <remarks><h1>NOT IMPLEMENTED</h1></remarks>
+    [HttpPatch("RequestLimits")]
+    [ProducesResponseType(Status501NotImplemented)]
+    public StatusCodeHttpResult SetRequestLimits()
+    {
+        return TypedResults.StatusCode(Status501NotImplemented);
+    }
+
+    /// <summary>
+    /// Updates a Request-Limit value
+    /// </summary>
+    /// <param name="RequestType">Type of Request</param>
+    /// <param name="requestLimit">New limit in Requests/Minute</param>
+    /// <response code="200"></response>
+    /// <response code="400">Limit needs to be greater than 0</response>
+    [HttpPatch("RequestLimits/{RequestType}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status400BadRequest)]
+    public Results<Ok, BadRequest> SetRequestLimit(RequestType RequestType, [FromBody]int requestLimit)
+    {
+        if (requestLimit <= 0)
+            return TypedResults.BadRequest();
+        Tranga.Settings.SetRequestLimit(RequestType, requestLimit);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Reset Request-Limit
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpDelete("RequestLimits/{RequestType}")]
+    [ProducesResponseType<string>(Status200OK)]
+    public Ok ResetRequestLimits(RequestType RequestType)
+    {
+        Tranga.Settings.SetRequestLimit(RequestType, TrangaSettings.DefaultRequestLimits[RequestType]);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Reset Request-Limit
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpDelete("RequestLimits")]
+    [ProducesResponseType<string>(Status200OK)]
+    public Ok ResetRequestLimits()
+    {
+        Tranga.Settings.ResetRequestLimits();
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Returns Level of Image-Compression for Images
+    /// </summary>
+    /// <response code="200">JPEG ImageCompression-level as Integer</response>
+    [HttpGet("ImageCompressionLevel")]
+    [ProducesResponseType<int>(Status200OK, "text/plain")]
+    public Ok<int> GetImageCompression()
+    {
+        return TypedResults.Ok(Tranga.Settings.ImageCompression);
+    }
+    
+    /// <summary>
+    /// Set the Image-Compression-Level for Images
+    /// </summary>
+    /// <param name="level">100 to disable, 0-99 for JPEG ImageCompression-Level</param>
+    /// <response code="200"></response>
+    /// <response code="400">Level outside permitted range</response>
+    [HttpPatch("ImageCompressionLevel/{level}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status400BadRequest)]
+    public Results<Ok, BadRequest> SetImageCompression(int level)
+    {
+        if (level < 1 || level > 100)
+            return TypedResults.BadRequest();
+        Tranga.Settings.UpdateImageCompression(level);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Get state of Black/White-Image setting
+    /// </summary>
+    /// <response code="200">True if enabled</response>
+    [HttpGet("BWImages")]
+    [ProducesResponseType<bool>(Status200OK, "text/plain")]
+    public Ok<bool> GetBwImagesToggle()
+    {
+        return TypedResults.Ok(Tranga.Settings.BlackWhiteImages);
+    }
+    
+    /// <summary>
+    /// Enable/Disable conversion of Images to Black and White
+    /// </summary>
+    /// <param name="enabled">true to enable</param>
+    /// <response code="200"></response>
+    [HttpPatch("BWImages/{enabled}")]
+    [ProducesResponseType(Status200OK)]
+    public Ok SetBwImagesToggle(bool enabled)
+    {
+        Tranga.Settings.SetBlackWhiteImageEnabled(enabled);
+        return TypedResults.Ok();
+    }
+    
+    /// <summary>
+    /// Gets the Chapter Naming Scheme
+    /// </summary>
+    /// <remarks>
+    /// Placeholders:
+    /// %M Obj Name
+    /// %V Volume
+    /// %C Chapter
+    /// %T Title
+    /// %A Author (first in list)
+    /// %I Chapter Internal ID
+    /// %i Obj Internal ID
+    /// %Y Year (Obj)
+    ///
+    /// ?_(...) replace _ with a value from above:
+    /// Everything inside the braces will only be added if the value of %_ is not null
+    /// </remarks>
+    /// <response code="200"></response>
+    [HttpGet("ChapterNamingScheme")]
+    [ProducesResponseType<string>(Status200OK, "text/plain")]
+    public Ok<string> GetCustomNamingScheme()
+    {
+        return TypedResults.Ok(Tranga.Settings.ChapterNamingScheme);
+    }
+    
+    /// <summary>
+    /// Sets the Chapter Naming Scheme
+    /// </summary>
+    /// <remarks>
+    /// Placeholders:
+    /// %M Obj Name
+    /// %V Volume
+    /// %C Chapter
+    /// %T Title
+    /// %A Author (first in list)
+    /// %Y Year (Obj)
+    ///
+    /// ?_(...) replace _ with a value from above:
+    /// Everything inside the braces will only be added if the value of %_ is not null
+    /// </remarks>
+    /// <response code="200"></response>
+    [HttpPatch("ChapterNamingScheme")]
+    [ProducesResponseType(Status200OK)]
+    public Ok SetCustomNamingScheme([FromBody]string namingScheme)
+    {
+        //TODO Move old Chapters
+        Tranga.Settings.SetChapterNamingScheme(namingScheme);
+        
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Sets the FlareSolverr-URL
+    /// </summary>
+    /// <param name="flareSolverrUrl">URL of FlareSolverr-Instance</param>
+    /// <response code="200"></response>
+    [HttpPost("FlareSolverr/Url")]
+    [ProducesResponseType(Status200OK)]
+    public Ok SetFlareSolverrUrl([FromBody]string flareSolverrUrl)
+    {
+        Tranga.Settings.SetFlareSolverrUrl(flareSolverrUrl);
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Resets the FlareSolverr-URL (HttpClient does not use FlareSolverr anymore)
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpDelete("FlareSolverr/Url")]
+    [ProducesResponseType(Status200OK)]
+    public Ok ClearFlareSolverrUrl()
+    {
+        Tranga.Settings.SetFlareSolverrUrl(string.Empty);
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Test FlareSolverr
+    /// </summary>
+    /// <response code="200">FlareSolverr is working!</response>
+    /// <response code="500">FlareSolverr is not working</response>
+    [HttpPost("FlareSolverr/Test")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status500InternalServerError)]
+    public Results<Ok, InternalServerError> TestFlareSolverrReachable()
+    {
+        const string knownProtectedUrl = "https://prowlarr.servarr.com/v1/ping";
+        FlareSolverrDownloadClient client = new();
+        RequestResult result = client.MakeRequestInternal(knownProtectedUrl);
+        return (int)result.statusCode >= 200 && (int)result.statusCode < 300 ? TypedResults.Ok() : TypedResults.InternalServerError(); 
+    }
+
+    /// <summary>
+    /// Returns the language in which Manga are downloaded
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet("DownloadLanguage")]
+    [ProducesResponseType<string>(Status200OK,  "text/plain")]
+    public Ok<string> GetDownloadLanguage()
+    {
+        return TypedResults.Ok(Tranga.Settings.DownloadLanguage);
+    }
+
+    /// <summary>
+    /// Sets the language in which Manga are downloaded
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpPatch("DownloadLanguage/{Language}")]
+    [ProducesResponseType(Status200OK)]
+    public Ok SetDownloadLanguage(string Language)
+    {
+        //TODO Validation
+        Tranga.Settings.SetDownloadLanguage(Language);
+        return TypedResults.Ok();
+    }
+}

API/Controllers/WorkerController.cs

@@ -0,0 +1,135 @@
+using API.Controllers.DTOs;
+using API.Workers;
+using Asp.Versioning;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+using static Microsoft.AspNetCore.Http.StatusCodes;
+// ReSharper disable InconsistentNaming
+
+namespace API.Controllers;
+
+[ApiVersion(2)]
+[ApiController]
+[Route("v{version:apiVersion}/[controller]")]
+public class WorkerController : Controller
+{
+    /// <summary>
+    /// Returns all <see cref="BaseWorker"/>
+    /// </summary>
+    /// <response code="200"><see cref="Worker"/></response>
+    [HttpGet]
+    [ProducesResponseType<List<Worker>>(Status200OK, "application/json")]
+    public Ok<List<Worker>> GetWorkers()
+    {
+        IEnumerable<Worker> result = Tranga.GetRunningWorkers().Select(w =>
+            new Worker(w.Key, w.AllDependencies.Select(d => d.Key), w.MissingDependencies.Select(d => d.Key), w.AllDependenciesFulfilled, w.State));
+        return TypedResults.Ok(result.ToList());
+    }
+    
+    /// <summary>
+    /// Returns all <see cref="BaseWorker"/>.Keys
+    /// </summary>
+    /// <response code="200"></response>
+    [HttpGet("Keys")]
+    [ProducesResponseType<string[]>(Status200OK, "application/json")]
+    public Ok<List<string>> GetWorkerIds()
+    {
+        return TypedResults.Ok(Tranga.GetRunningWorkers().Select(w => w.Key).ToList());
+    }
+
+    /// <summary>
+    /// Get all <see cref="BaseWorker"/> in requested <see cref="WorkerExecutionState"/>
+    /// </summary>
+    /// <param name="State">Requested <see cref="WorkerExecutionState"/></param>
+    /// <response code="200"></response>
+    [HttpGet("State/{State}")]
+    [ProducesResponseType<List<Worker>>(Status200OK, "application/json")]
+    public Ok<List<Worker>> GetWorkersInState(WorkerExecutionState State)
+    {
+        IEnumerable<Worker> result = Tranga.GetRunningWorkers().Where(worker => worker.State == State).Select(w =>
+            new Worker(w.Key, w.AllDependencies.Select(d => d.Key), w.MissingDependencies.Select(d => d.Key), w.AllDependenciesFulfilled, w.State));
+        return TypedResults.Ok(result.ToList());
+    }
+
+    /// <summary>
+    /// Return <see cref="BaseWorker"/> with <paramref name="WorkerId"/>
+    /// </summary>
+    /// <param name="WorkerId"><see cref="BaseWorker"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="BaseWorker"/> with <paramref name="WorkerId"/> could not be found</response>
+    [HttpGet("{WorkerId}")]
+    [ProducesResponseType<Worker>(Status200OK, "application/json")]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public Results<Ok<Worker>, NotFound<string>> GetWorker(string WorkerId)
+    {
+        if(Tranga.GetRunningWorkers().FirstOrDefault(w => w.Key == WorkerId) is not { } w)
+            return TypedResults.NotFound(nameof(WorkerId));
+        
+        Worker result = new (w.Key, w.AllDependencies.Select(d => d.Key), w.MissingDependencies.Select(d => d.Key), w.AllDependenciesFulfilled, w.State);
+        
+        return TypedResults.Ok(result);
+    }
+
+    /// <summary>
+    /// Delete <see cref="BaseWorker"/> with <paramref name="WorkerId"/> and all child-<see cref="BaseWorker"/>s
+    /// </summary>
+    /// <param name="WorkerId"><see cref="BaseWorker"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="BaseWorker"/> with <paramref name="WorkerId"/> could not be found</response>
+    [HttpDelete("{WorkerId}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    public Results<Ok, NotFound<string>> DeleteWorker(string WorkerId)
+    {
+        if(Tranga.GetRunningWorkers().FirstOrDefault(w => w.Key == WorkerId) is not { } worker)
+            return TypedResults.NotFound(nameof(WorkerId));
+        Tranga.StopWorker(worker);
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Starts <see cref="BaseWorker"/> with <paramref name="WorkerId"/>
+    /// </summary>
+    /// <param name="WorkerId"><see cref="BaseWorker"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="BaseWorker"/> with <paramref name="WorkerId"/> could not be found</response>
+    /// <response code="412"><see cref="BaseWorker"/> was already running</response>
+    [HttpPost("{WorkerId}/Start")]
+    [ProducesResponseType(Status202Accepted)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status412PreconditionFailed)]
+    public Results<Ok, NotFound<string>, StatusCodeHttpResult> StartWorker(string WorkerId)
+    {
+        if(Tranga.GetRunningWorkers().FirstOrDefault(w => w.Key == WorkerId) is not { } worker)
+            return TypedResults.NotFound(nameof(WorkerId));
+        
+        if (worker.State >= WorkerExecutionState.Waiting)
+            return TypedResults.StatusCode(Status412PreconditionFailed);
+
+        Tranga.StartWorker(worker);
+        return TypedResults.Ok();
+    }
+
+    /// <summary>
+    /// Stops <see cref="BaseWorker"/> with <paramref name="WorkerId"/>
+    /// </summary>
+    /// <param name="WorkerId"><see cref="BaseWorker"/>.Key</param>
+    /// <response code="200"></response>
+    /// <response code="404"><see cref="BaseWorker"/> with <paramref name="WorkerId"/> could not be found</response>
+    /// <response code="412"><see cref="BaseWorker"/> was already not running</response>
+    [HttpPost("{WorkerId}/Stop")]
+    [ProducesResponseType(Status202Accepted)]
+    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
+    [ProducesResponseType(Status412PreconditionFailed)]
+    public Results<Ok, NotFound<string>, StatusCodeHttpResult> StopWorker(string WorkerId)
+    {
+        if(Tranga.GetRunningWorkers().FirstOrDefault(w => w.Key == WorkerId) is not { } worker)
+            return TypedResults.NotFound(nameof(WorkerId));
+        
+        if(worker.State is < WorkerExecutionState.Running or >= WorkerExecutionState.Completed)
+            return TypedResults.StatusCode(Status412PreconditionFailed);
+        
+        Tranga.StopWorker(worker);
+        return TypedResults.Ok();
+    }
+}

API/HttpRequestTimeFeature.cs

@@ -0,0 +1,35 @@
+namespace API;
+
+public interface IHttpRequestTimeFeature
+{
+    DateTime RequestTime { get; }
+}
+
+public class HttpRequestTimeFeature : IHttpRequestTimeFeature
+{
+    public DateTime RequestTime { get; }    
+
+    public HttpRequestTimeFeature()
+    {
+        RequestTime = DateTime.Now;
+    }
+}
+
+public class RequestTimeMiddleware
+{
+    private readonly RequestDelegate _next;
+
+    public RequestTimeMiddleware(RequestDelegate next)
+    {
+        _next = next;
+    }
+
+    public Task InvokeAsync(HttpContext context)
+    {
+        var httpRequestTimeFeature = new HttpRequestTimeFeature();
+        context.Features.Set<IHttpRequestTimeFeature>(httpRequestTimeFeature);
+
+        // Call the next delegate/middleware in the pipeline
+        return this._next(context);
+    }
+}

API/Log4Net.config.xml

@@ -0,0 +1,23 @@
+<log4net>
+    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
+        <layout type="log4net.Layout.PatternLayout">
+            <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
+        </layout>
+    </appender>
+    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
+        <file value="/usr/share/tranga-api/log/Tranga.log" />
+        <appendToFile value="true" />
+        <rollingStyle value="Composite" />
+        <datePattern value="yyyyMMdd" />
+        <maxSizeRollBackups value="4" />
+        <maximumFileSize value="256MB" />
+        <layout type="log4net.Layout.PatternLayout">
+            <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
+        </layout>
+    </appender>
+    <root>
+        <level value="DEBUG" />
+        <appender-ref ref="ConsoleAppender" />
+        <appender-ref ref="RollingLogFileAppender" />
+    </root>
+</log4net>

API/MangaConnectors/ComickIo.cs

@@ -0,0 +1,262 @@
+using System.Text.RegularExpressions;
+using API.MangaDownloadClients;
+using API.Schema.MangaContext;
+using Newtonsoft.Json.Linq;
+
+namespace API.MangaConnectors;
+
+public class ComickIo : MangaConnector
+{
+    //https://api.comick.io/docs/
+    //https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes
+    
+    public ComickIo() : base("ComickIo", 
+        ["en","pt","pt-br","it","de","ru","aa","ab","ae","af","ak","am","an","ar-ae","ar-bh","ar-dz","ar-eg","ar-iq","ar-jo","ar-kw","ar-lb","ar-ly","ar-ma","ar-om","ar-qa","ar-sa","ar-sy","ar-tn","ar-ye","ar","as","av","ay","az","ba","be","bg","bh","bi","bm","bn","bo","br","bs","ca","ce","ch","co","cr","cs","cu","cv","cy","da","de-at","de-ch","de-de","de-li","de-lu","div","dv","dz","ee","el","en-au","en-bz","en-ca","en-cb","en-gb","en-ie","en-jm","en-nz","en-ph","en-tt","en-us","en-za","en-zw","eo","es-ar","es-bo","es-cl","es-co","es-cr","es-do","es-ec","es-es","es-gt","es-hn","es-la","es-mx","es-ni","es-pa","es-pe","es-pr","es-py","es-sv","es-us","es-uy","es-ve","es","et","eu","fa","ff","fi","fj","fo","fr-be","fr-ca","fr-ch","fr-fr","fr-lu","fr-mc","fr","fy","ga","gd","gl","gn","gu","gv","ha","he","hi","ho","hr-ba","hr-hr","hr","ht","hu","hy","hz","ia","id","ie","ig","ii","ik","in","io","is","it-ch","it-it","iu","iw","ja","ja-ro","ji","jv","jw","ka","kg","ki","kj","kk","kl","km","kn","ko","ko-ro","kr","ks","ku","kv","kw","ky","kz","la","lb","lg","li","ln","lo","ls","lt","lu","lv","mg","mh","mi","mk","ml","mn","mo","mr","ms-bn","ms-my","ms","mt","my","na","nb","nd","ne","ng","nl-be","nl-nl","nl","nn","no","nr","ns","nv","ny","oc","oj","om","or","os","pa","pi","pl","ps","pt-pt","qu-bo","qu-ec","qu-pe","qu","rm","rn","ro","rw","sa","sb","sc","sd","se-fi","se-no","se-se","se","sg","sh","si","sk","sl","sm","sn","so","sq","sr-ba","sr-sp","sr","ss","st","su","sv-fi","sv-se","sv","sw","sx","syr","ta","te","tg","th","ti","tk","tl","tn","to","tr","ts","tt","tw","ty","ug","uk","ur","us","uz","ve","vi","vo","wa","wo","xh","yi","yo","za","zh-cn","zh-hk","zh-mo","zh-ro","zh-sg","zh-tw","zh","zu"],
+        ["comick.io"], 
+        "https://comick.io/static/icons/unicorn-64.png")
+    {
+        this.downloadClient = new HttpDownloadClient();
+    }
+
+    public override (Manga, MangaConnectorId<Manga>)[] SearchManga(string mangaSearchName)
+    {
+        Log.Info($"Searching Obj: {mangaSearchName}");
+
+        List<string> slugs = new();
+        int page = 1;
+        while(page < 50)
+        {
+            string requestUrl = $"https://api.comick.fun/v1.0/search/?type=comic&t=false&limit=100&showall=true&" +
+                                $"page={page}&q={mangaSearchName}";
+
+            RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.Default);
+            if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+            {
+                Log.Error("Request failed");
+                return [];
+            }
+
+            using StreamReader sr = new (result.result);
+            JArray data = JArray.Parse(sr.ReadToEnd());
+
+            if (data.Count < 1)
+                break;
+            
+            slugs.AddRange(data.Select(token => token.Value<string>("slug")!));
+            page++;
+        }
+        Log.Debug($"Search {mangaSearchName} yielded {slugs.Count} slugs. Requesting mangas now...");
+
+
+        List<(Manga, MangaConnectorId<Manga>)> mangas = new ();
+        foreach (string slug in slugs)
+        {
+            if(GetMangaFromId(slug) is { } entry)
+                mangas.Add(entry);
+        }
+        
+        Log.Info($"Search {mangaSearchName} yielded {mangas.Count} results.");
+        return mangas.ToArray();
+    }
+
+    private readonly Regex _getSlugFromTitleRex = new(@"https?:\/\/comick\.io\/comic\/(.+)(?:\/.*)*");
+    public override (Manga, MangaConnectorId<Manga>)? GetMangaFromUrl(string url)
+    {
+        Match m = _getSlugFromTitleRex.Match(url);
+        return m.Groups[1].Success ? GetMangaFromId(m.Groups[1].Value) : null;
+    }
+
+    public override (Manga, MangaConnectorId<Manga>)? GetMangaFromId(string mangaIdOnSite)
+    {
+        string requestUrl = $"https://api.comick.fun/comic/{mangaIdOnSite}";
+
+        RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.MangaInfo);
+        if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+        {
+            Log.Error("Request failed");
+            return null;
+        }
+        using StreamReader sr = new (result.result);
+        JToken data = JToken.Parse(sr.ReadToEnd());
+
+        return ParseMangaFromJToken(data);
+    }
+
+    public override (Chapter, MangaConnectorId<Chapter>)[] GetChapters(MangaConnectorId<Manga> mangaConnectorId,
+        string? language = null)
+    {
+        Log.Info($"Getting Chapters: {mangaConnectorId.IdOnConnectorSite}");
+        List<(Chapter, MangaConnectorId<Chapter>)> chapters = new();
+        int page = 1;
+        while(page < 50)
+        {
+            string requestUrl = $"https://api.comick.fun/comic/{mangaConnectorId.IdOnConnectorSite}/chapters?limit=100&page={page}&lang={language}";
+
+            RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.MangaInfo);
+            if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+            {
+                Log.Error("Request failed");
+                return [];
+            }
+
+            using StreamReader sr = new (result.result);
+            JToken data = JToken.Parse(sr.ReadToEnd());
+            JArray? chaptersArray = data["chapters"] as JArray;
+
+            if (chaptersArray is null || chaptersArray.Count < 1)
+                break;
+            
+            chapters.AddRange(ParseChapters(mangaConnectorId, chaptersArray));
+
+            page++;
+        }
+
+        return chapters.ToArray();
+    }
+
+    private readonly Regex _hidFromUrl = new(@"https?:\/\/comick\.io\/comic\/.+\/([^-]+).*");
+    internal override string[] GetChapterImageUrls(MangaConnectorId<Chapter> chapterId)
+    {
+        
+        Log.Info($"Getting Chapter Image-Urls: {chapterId.Obj}");
+        if (chapterId.WebsiteUrl is null || !UrlMatchesConnector(chapterId.WebsiteUrl))
+        {
+            Log.Debug($"Url is not for Connector. {chapterId.WebsiteUrl}");
+            return [];
+        }
+        
+        Match m = _hidFromUrl.Match(chapterId.WebsiteUrl);
+        if (!m.Groups[1].Success)
+        {
+            Log.Debug($"Could not parse hid from url. {chapterId.WebsiteUrl}");
+            return [];
+        }
+        
+        string hid = m.Groups[1].Value;
+        
+        string requestUrl = $"https://api.comick.fun/chapter/{hid}/get_images";
+        RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.MangaInfo);
+        if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+        {
+            Log.Error("Request failed");
+            return [];
+        }
+        
+        using StreamReader sr = new (result.result);
+        JArray data = JArray.Parse(sr.ReadToEnd());
+
+        return data.Select(token =>
+        {
+            string url = $"https://meo.comick.pictures/{token.Value<string>("b2key")}";
+            return url;
+        }).ToArray();
+    }
+
+    private (Manga manga, MangaConnectorId<Manga> id) ParseMangaFromJToken(JToken json)
+    {
+        string? hid = json["comic"]?.Value<string>("hid");
+        string? slug = json["comic"]?.Value<string>("slug");
+        string? name = json["comic"]?.Value<string>("title");
+        string? description = json["comic"]?.Value<string>("desc");
+        string? originalLanguage = json["comic"]?.Value<string>("country");
+        string url = $"https://comick.io/comic/{slug}";
+        string? coverName = json["comic"]?["md_covers"]?.First?.Value<string>("b2key");
+        string coverUrl = $"https://meo.comick.pictures/{coverName}";
+        int? releaseStatusStr = json["comic"]?.Value<int>("status");
+        MangaReleaseStatus status = releaseStatusStr switch
+        {
+            1 => MangaReleaseStatus.Continuing,
+            2 => MangaReleaseStatus.Completed,
+            3 => MangaReleaseStatus.Cancelled,
+            4 => MangaReleaseStatus.OnHiatus,
+            _ => MangaReleaseStatus.Unreleased
+        };
+        uint? year = json["comic"]?.Value<uint?>("year");
+        JArray? altTitlesArray = json["comic"]?["md_titles"] as JArray;
+        //Cant let language be null, so fill with whatever.
+        byte whatever = 0;
+        List<AltTitle> altTitles = altTitlesArray?
+            .Select(token => new AltTitle(token.Value<string>("lang")??whatever++.ToString(), token.Value<string>("title")!))
+            .ToList()??[];
+        
+        JArray? authorsArray = json["authors"] as JArray;
+        JArray? artistsArray = json["artists"] as JArray;
+        List<Author> authors = authorsArray?.Concat(artistsArray!)
+            .Select(token => new Author(token.Value<string>("name")!))
+            .DistinctBy(a => a.Key)
+            .ToList()??[];
+        
+        JArray? genreArray = json["comic"]?["md_comic_md_genres"] as JArray;
+        List<MangaTag> tags = genreArray?
+            .Select(token => new MangaTag(token["md_genres"]?.Value<string>("name")!))
+            .ToList()??[];
+        
+        JArray? linksArray = json["comic"]?["links"] as JArray;
+        List<Link> links = linksArray?
+            .ToObject<Dictionary<string,string>>()?
+            .Select(kv =>
+            {
+                string fullUrl = kv.Key switch
+                {
+                    "al" => $"https://anilist.co/manga/{kv.Value}",
+                    "ap" => $"https://www.anime-planet.com/manga/{kv.Value}",
+                    "bw" => $"https://bookwalker.jp/{kv.Value}",
+                    "mu" => $"https://www.mangaupdates.com/series.html?id={kv.Value}",
+                    "nu" => $"https://www.novelupdates.com/series/{kv.Value}",
+                    "mal" => $"https://myanimelist.net/manga/{kv.Value}",
+                    _ => kv.Value
+                };
+                string key = kv.Key switch
+                {
+                    "al" => "AniList",
+                    "ap" => "Anime Planet",
+                    "bw" => "BookWalker",
+                    "mu" => "Obj Updates",
+                    "nu" => "Novel Updates",
+                    "kt" => "Kitsu.io",
+                    "amz" => "Amazon",
+                    "ebj" => "eBookJapan",
+                    "mal" => "MyAnimeList",
+                    "cdj" => "CDJapan",
+                    _ => kv.Key
+                };
+                return new Link(key, fullUrl);
+            }).ToList()??[];
+        
+        if(hid is null)
+            throw new Exception("hid is null");
+        if(slug is null)
+            throw new Exception("slug is null");
+        if(name is null)
+            throw new Exception("name is null");
+        
+        Manga manga = new (name, description??"", coverUrl, status, authors, tags, links, altTitles,
+            year: year, originalLanguage: originalLanguage);
+        MangaConnectorId<Manga> mcId = new (manga, this, hid, url);
+        manga.MangaConnectorIds.Add(mcId);
+        return (manga, mcId);
+    }
+
+    private List<(Chapter, MangaConnectorId<Chapter>)> ParseChapters(MangaConnectorId<Manga> mcIdManga, JArray chaptersArray)
+    {
+        List<(Chapter, MangaConnectorId<Chapter>)> chapters = new ();
+        foreach (JToken chapter in chaptersArray)
+        {
+            string? chapterNum = chapter.Value<string>("chap");
+            string? volumeNumStr = chapter.Value<string>("vol");
+            int? volumeNum = volumeNumStr is null ? null : int.Parse(volumeNumStr);
+            string? title = chapter.Value<string>("title");
+            string? hid = chapter.Value<string>("hid");
+            string url = $"https://comick.io/comic/{mcIdManga.IdOnConnectorSite}/{hid}";
+            
+            if(chapterNum is null || hid is null)
+                continue;
+            
+            Chapter ch = new (mcIdManga.Obj, chapterNum, volumeNum, title);
+            MangaConnectorId<Chapter> mcId = new(ch, this, hid, url);
+            ch.MangaConnectorIds.Add(mcId);
+            chapters.Add((ch, mcId));
+        }
+        return chapters;
+    }
+}

API/MangaConnectors/Global.cs

@@ -0,0 +1,58 @@
+using API.Schema.MangaContext;
+
+namespace API.MangaConnectors;
+
+public class Global : MangaConnector
+{
+    public Global() : base("Global", ["all"], [""], "https://avatars.githubusercontent.com/u/13404778")
+    {
+    }
+
+    public override (Manga, MangaConnectorId<Manga>)[] SearchManga(string mangaSearchName)
+    {
+        //Get all enabled Connectors
+        MangaConnector[] enabledConnectors = Tranga.MangaConnectors.Where(c => c.Enabled && c.Name != "Global").ToArray();
+        
+        //Create Task for each MangaConnector to search simultaneously
+        Task<(Manga, MangaConnectorId<Manga>)[]>[] tasks =
+            enabledConnectors.Select(c => new Task<(Manga, MangaConnectorId<Manga>)[]>(() => c.SearchManga(mangaSearchName))).ToArray();
+        foreach (var task in tasks)
+            task.Start();
+        
+        //Wait for all tasks to finish
+        do
+        {
+            Thread.Sleep(50);
+        }while(tasks.Any(t => t.Status < TaskStatus.RanToCompletion));
+        
+        //Concatenate all results into one
+        (Manga, MangaConnectorId<Manga>)[] ret = tasks.Select(t => t.IsCompletedSuccessfully ? t.Result : []).ToArray().SelectMany(i => i).ToArray();
+        return ret;
+    }
+
+    public override (Manga, MangaConnectorId<Manga>)? GetMangaFromUrl(string url)
+    {
+        MangaConnector? mc = Tranga.MangaConnectors.FirstOrDefault(c => c.UrlMatchesConnector(url));
+        return mc?.GetMangaFromUrl(url) ?? null;
+    }
+
+    public override (Manga, MangaConnectorId<Manga>)? GetMangaFromId(string mangaIdOnSite)
+    {
+        return null;
+    }
+
+    public override (Chapter, MangaConnectorId<Chapter>)[] GetChapters(MangaConnectorId<Manga> manga,
+        string? language = null)
+    {
+        if (!Tranga.TryGetMangaConnector(manga.MangaConnectorName, out MangaConnector? mangaConnector))
+            return [];
+        return mangaConnector.GetChapters(manga, language);
+    }
+
+    internal override string[] GetChapterImageUrls(MangaConnectorId<Chapter> chapterId)
+    {
+        if (!Tranga.TryGetMangaConnector(chapterId.MangaConnectorName, out MangaConnector? mangaConnector))
+            return [];
+        return mangaConnector.GetChapterImageUrls(chapterId);
+    }
+}

API/MangaConnectors/MangaConnector.cs

@@ -0,0 +1,91 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text.RegularExpressions;
+using API.MangaDownloadClients;
+using API.Schema.MangaContext;
+using log4net;
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.Processing;
+
+namespace API.MangaConnectors;
+
+[PrimaryKey("Name")]
+public abstract class MangaConnector(string name, string[] supportedLanguages, string[] baseUris, string iconUrl)
+{
+    [NotMapped] internal DownloadClient downloadClient { get; init; } = null!;
+
+    [NotMapped] protected ILog Log { get; init; } = LogManager.GetLogger(name);
+    
+    [StringLength(32)] public string Name { get; init; } = name;
+    [StringLength(8)] public string[] SupportedLanguages { get; init; } = supportedLanguages;
+    [StringLength(2048)] public string IconUrl { get; init; } = iconUrl;
+    [StringLength(256)] public string[] BaseUris { get; init; } = baseUris;
+    public bool Enabled { get; internal set; } = true;
+    
+    public abstract (Manga, MangaConnectorId<Manga>)[] SearchManga(string mangaSearchName);
+
+    public abstract (Manga, MangaConnectorId<Manga>)? GetMangaFromUrl(string url);
+
+    public abstract (Manga, MangaConnectorId<Manga>)? GetMangaFromId(string mangaIdOnSite);
+    
+    public abstract (Chapter, MangaConnectorId<Chapter>)[] GetChapters(MangaConnectorId<Manga> mangaId,
+        string? language = null);
+
+    internal abstract string[] GetChapterImageUrls(MangaConnectorId<Chapter> chapterId);
+
+    public bool UrlMatchesConnector(string url) => BaseUris.Any(baseUri => Regex.IsMatch(url, "https?://" + baseUri + "/.*"));
+    
+    internal string? SaveCoverImageToCache(MangaConnectorId<Manga> mangaId, int retries = 3)
+    {
+        if(retries < 0)
+            return null;
+        
+        Regex urlRex = new (@"https?:\/\/((?:[a-zA-Z0-9-]+\.)+[a-zA-Z0-9]+)\/(?:.+\/)*(.+\.([a-zA-Z]+))");
+        //https?:\/\/[a-zA-Z0-9-]+\.([a-zA-Z0-9-]+\.[a-zA-Z0-9]+)\/(?:.+\/)*(.+\.([a-zA-Z]+)) for only second level domains
+        Match match = urlRex.Match(mangaId.Obj.CoverUrl);
+        string filename = $"{match.Groups[1].Value}-{mangaId.ObjId}.{mangaId.MangaConnectorName}.{match.Groups[3].Value}";
+        string saveImagePath = Path.Join(TrangaSettings.coverImageCacheOriginal, filename);
+
+        if (File.Exists(saveImagePath))
+            return filename;
+        
+        RequestResult coverResult = downloadClient.MakeRequest(mangaId.Obj.CoverUrl, RequestType.MangaCover, $"https://{match.Groups[1].Value}");
+        if ((int)coverResult.statusCode < 200 || (int)coverResult.statusCode >= 300)
+            return SaveCoverImageToCache(mangaId, --retries);
+            
+        try
+        {
+            using MemoryStream ms = new();
+            coverResult.result.CopyTo(ms);
+            byte[] imageBytes = ms.ToArray();
+            Directory.CreateDirectory(TrangaSettings.coverImageCacheOriginal);
+            File.WriteAllBytes(saveImagePath, imageBytes);
+
+            using Image image = Image.Load(imageBytes);
+            Directory.CreateDirectory(TrangaSettings.coverImageCacheLarge);
+            using Image large = image.Clone(x => x.Resize(new ResizeOptions
+                { Size = Constants.ImageLgSize, Mode = ResizeMode.Max }));
+            large.SaveAsJpeg(Path.Join(TrangaSettings.coverImageCacheLarge, filename), new (){ Quality = 40 });
+            
+            Directory.CreateDirectory(TrangaSettings.coverImageCacheMedium);
+            using Image medium = image.Clone(x => x.Resize(new ResizeOptions
+                { Size = Constants.ImageMdSize, Mode = ResizeMode.Max }));
+            medium.SaveAsJpeg(Path.Join(TrangaSettings.coverImageCacheMedium, filename), new (){ Quality = 40 });
+            
+            Directory.CreateDirectory(TrangaSettings.coverImageCacheSmall);
+            using Image small = image.Clone(x => x.Resize(new ResizeOptions
+                { Size = Constants.ImageSmSize, Mode = ResizeMode.Max }));
+            small.SaveAsJpeg(Path.Join(TrangaSettings.coverImageCacheSmall, filename), new (){ Quality = 40 });
+        }
+        catch (Exception e)
+        {
+            Log.Error(e);
+        }
+
+
+        return filename;
+    }
+}

API/MangaConnectors/MangaDex.cs

@@ -0,0 +1,343 @@
+using System.Text.RegularExpressions;
+using API.MangaDownloadClients;
+using API.Schema.MangaContext;
+using Newtonsoft.Json.Linq;
+
+namespace API.MangaConnectors;
+
+public class MangaDex : MangaConnector
+{
+    //https://api.mangadex.org/docs/3-enumerations/#language-codes--localization
+    //https://en.wikipedia.org/wiki/List_of_ISO_639_language_codes
+    //https://gist.github.com/Josantonius/b455e315bc7f790d14b136d61d9ae469
+    public MangaDex() : base("MangaDex", 
+        ["en","pt","pt-br","it","de","ru","aa","ab","ae","af","ak","am","an","ar-ae","ar-bh","ar-dz","ar-eg","ar-iq","ar-jo","ar-kw","ar-lb","ar-ly","ar-ma","ar-om","ar-qa","ar-sa","ar-sy","ar-tn","ar-ye","ar","as","av","ay","az","ba","be","bg","bh","bi","bm","bn","bo","br","bs","ca","ce","ch","co","cr","cs","cu","cv","cy","da","de-at","de-ch","de-de","de-li","de-lu","div","dv","dz","ee","el","en-au","en-bz","en-ca","en-cb","en-gb","en-ie","en-jm","en-nz","en-ph","en-tt","en-us","en-za","en-zw","eo","es-ar","es-bo","es-cl","es-co","es-cr","es-do","es-ec","es-es","es-gt","es-hn","es-la","es-mx","es-ni","es-pa","es-pe","es-pr","es-py","es-sv","es-us","es-uy","es-ve","es","et","eu","fa","ff","fi","fj","fo","fr-be","fr-ca","fr-ch","fr-fr","fr-lu","fr-mc","fr","fy","ga","gd","gl","gn","gu","gv","ha","he","hi","ho","hr-ba","hr-hr","hr","ht","hu","hy","hz","ia","id","ie","ig","ii","ik","in","io","is","it-ch","it-it","iu","iw","ja","ja-ro","ji","jv","jw","ka","kg","ki","kj","kk","kl","km","kn","ko","ko-ro","kr","ks","ku","kv","kw","ky","kz","la","lb","lg","li","ln","lo","ls","lt","lu","lv","mg","mh","mi","mk","ml","mn","mo","mr","ms-bn","ms-my","ms","mt","my","na","nb","nd","ne","ng","nl-be","nl-nl","nl","nn","no","nr","ns","nv","ny","oc","oj","om","or","os","pa","pi","pl","ps","pt-pt","qu-bo","qu-ec","qu-pe","qu","rm","rn","ro","rw","sa","sb","sc","sd","se-fi","se-no","se-se","se","sg","sh","si","sk","sl","sm","sn","so","sq","sr-ba","sr-sp","sr","ss","st","su","sv-fi","sv-se","sv","sw","sx","syr","ta","te","tg","th","ti","tk","tl","tn","to","tr","ts","tt","tw","ty","ug","uk","ur","us","uz","ve","vi","vo","wa","wo","xh","yi","yo","za","zh-cn","zh-hk","zh-mo","zh-ro","zh-sg","zh-tw","zh","zu"],
+        ["mangadex.org"], 
+        "https://mangadex.org/favicon.ico")
+    {
+        this.downloadClient = new HttpDownloadClient();
+    }
+
+    private const int Limit = 100;
+    public override (Manga, MangaConnectorId<Manga>)[] SearchManga(string mangaSearchName)
+    {
+        Log.Info($"Searching Obj: {mangaSearchName}");
+        List<(Manga, MangaConnectorId<Manga>)> mangas = new ();
+        
+        int offset = 0;
+        int total = int.MaxValue;
+        while(offset < total)
+        {
+            string requestUrl =
+                $"https://api.mangadex.org/manga?limit={Limit}&offset={offset}&title={mangaSearchName}" +
+                $"&contentRating%5B%5D=safe&contentRating%5B%5D=suggestive&contentRating%5B%5D=erotica" +
+                $"&includes%5B%5D=manga&includes%5B%5D=cover_art&includes%5B%5D=author&includes%5B%5D=artist&includes%5B%5D=tag'";
+            offset += Limit;
+
+            RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.MangaDexFeed);
+            if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+            {
+                Log.Error("Request failed");
+                return [];
+            }
+
+            using StreamReader sr = new (result.result);
+            JObject jObject = JObject.Parse(sr.ReadToEnd());
+
+            if (jObject.Value<string>("result") != "ok")
+            {
+                JArray? errors = jObject["errors"] as JArray;
+                Log.Error($"Request failed: {string.Join(',', errors?.Select(e => e.Value<string>("title")) ?? [])}");
+                return [];
+            }
+
+            total = jObject.Value<int>("total");
+            
+            JArray? data = jObject.Value<JArray>("data");
+            if (data is null)
+            {
+                Log.Error("Data was null");
+                return [];
+            }
+            
+            mangas.AddRange(data.Select(ParseMangaFromJToken));
+        }
+        
+        Log.Info($"Search {mangaSearchName} yielded {mangas.Count} results.");
+        return mangas.ToArray();
+    }
+
+    private static readonly Regex GetMangaIdFromUrl = new(@"https?:\/\/mangadex\.org\/title\/([a-z0-9-]+)\/?.*");
+    public override (Manga, MangaConnectorId<Manga>)? GetMangaFromUrl(string url)
+    {
+        Log.Info($"Getting Obj: {url}");
+        if (!UrlMatchesConnector(url))
+        {
+            Log.Debug($"Url is not for Connector. {url}");
+            return null;
+        }
+
+        Match match = GetMangaIdFromUrl.Match(url);
+        if (!match.Success || !match.Groups[1].Success)
+        {
+            Log.Debug($"Url is not for Connector (Could not retrieve id). {url}");
+            return null;
+        }
+        string id = match.Groups[1].Value;
+
+        return GetMangaFromId(id);
+    }
+
+    public override (Manga, MangaConnectorId<Manga>)? GetMangaFromId(string mangaIdOnSite)
+    {
+        Log.Info($"Getting Obj: {mangaIdOnSite}");
+        string requestUrl =
+            $"https://api.mangadex.org/manga/{mangaIdOnSite}" +
+            $"?includes%5B%5D=manga&includes%5B%5D=cover_art&includes%5B%5D=author&includes%5B%5D=artist&includes%5B%5D=tag'";
+        
+        RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.MangaDexFeed);
+        if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+        {
+            Log.Error("Request failed");
+            return null;
+        }
+
+        using StreamReader sr = new (result.result);
+        JObject jObject = JObject.Parse(sr.ReadToEnd());
+
+        if (jObject.Value<string>("result") != "ok")
+        {
+            JArray? errors = jObject["errors"] as JArray;
+            Log.Error($"Request failed: {string.Join(',', errors?.Select(e => e.Value<string>("title")) ?? [])}");
+            return null;
+        }
+        
+        JObject? data = jObject["data"] as JObject;
+        if (data is null)
+        {
+            Log.Error("Data was null");
+            return null;
+        }
+
+        return ParseMangaFromJToken(data);
+    }
+
+    public override (Chapter, MangaConnectorId<Chapter>)[] GetChapters(MangaConnectorId<Manga> manga, string? language = null)
+    {
+        Log.Info($"Getting Chapters: {manga.IdOnConnectorSite}");
+        List<(Chapter, MangaConnectorId<Chapter>)> chapters = new ();
+        
+        int offset = 0;
+        int total = int.MaxValue;
+        while(offset < total)
+        {
+            string requestUrl =
+                $"https://api.mangadex.org/manga/{manga.IdOnConnectorSite}/feed?limit={Limit}&offset={offset}&" +
+                $"translatedLanguage%5B%5D={language}&" +
+                $"contentRating%5B%5D=safe&contentRating%5B%5D=suggestive&contentRating%5B%5D=erotica&includeFutureUpdates=0&includes%5B%5D=";
+            offset += Limit;
+
+            RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.MangaDexFeed);
+            if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+            {
+                Log.Error("Request failed");
+                return [];
+            }
+
+            using StreamReader sr = new (result.result);
+            JObject jObject = JObject.Parse(sr.ReadToEnd());
+
+            if (jObject.Value<string>("result") != "ok")
+            {
+                JArray? errors = jObject["errors"] as JArray;
+                Log.Error($"Request failed: {string.Join(',', errors?.Select(e => e.Value<string>("title")) ?? [])}");
+                return [];
+            }
+
+            total = jObject.Value<int>("total");
+            
+            JArray? data = jObject.Value<JArray>("data");
+            if (data is null)
+            {
+                Log.Error("Data was null");
+                return [];
+            }
+            
+            chapters.AddRange(data.Select(d => ParseChapterFromJToken(manga, d)));
+        }
+        
+        Log.Info($"Request for chapters for {manga.Obj.Name} yielded {chapters.Count} results.");
+        return chapters.ToArray();
+    }
+
+    private static readonly Regex GetChapterIdFromUrl = new(@"https?:\/\/mangadex\.org\/chapter\/([a-z0-9-]+)\/?.*");
+    internal override string[] GetChapterImageUrls(MangaConnectorId<Chapter> chapterId)
+    {
+        Log.Info($"Getting Chapter Image-Urls: {chapterId.Obj}");
+        if (chapterId.WebsiteUrl is null || !UrlMatchesConnector(chapterId.WebsiteUrl))
+        {
+            Log.Debug($"Url is not for Connector. {chapterId.WebsiteUrl}");
+            return [];
+        }
+
+        Match match = GetChapterIdFromUrl.Match(chapterId.WebsiteUrl);
+        if (!match.Success || !match.Groups[1].Success)
+        {
+            Log.Debug($"Url is not for Connector (Could not retrieve id). {chapterId.WebsiteUrl}");
+            return [];
+        }
+        
+        string id = match.Groups[1].Value;
+        string requestUrl = $"https://api.mangadex.org/at-home/server/{id}";
+        
+        RequestResult result = downloadClient.MakeRequest(requestUrl, RequestType.Default);
+        if ((int)result.statusCode < 200 || (int)result.statusCode >= 300)
+        {
+            Log.Error("Request failed");
+            return [];
+        }
+
+        using StreamReader sr = new (result.result);
+        JObject jObject = JObject.Parse(sr.ReadToEnd());
+        
+        if (jObject.Value<string>("result") != "ok")
+        {
+            JArray? errors = jObject["errors"] as JArray;
+            Log.Error($"Request failed: {string.Join(',', errors?.Select(e => e.Value<string>("title")) ?? [])}");
+            return [];
+        }
+        
+        string? baseUrl = jObject.Value<string>("baseUrl");
+        JToken? chapterToken = jObject["chapter"];
+        string? hash = chapterToken?.Value<string>("hash");
+        JArray? data = chapterToken?["data"] as JArray;
+
+        if (baseUrl is null || hash is null || data is null)
+        {
+            Log.Error("Data was null");
+            return [];
+        }
+
+        IEnumerable<string> urls = data.Select(t => $"{baseUrl}/data/{hash}/{t.Value<string>()}");
+        
+        return urls.ToArray();
+    }
+
+    private (Manga manga, MangaConnectorId<Manga> id) ParseMangaFromJToken(JToken jToken)
+    {
+        string? id = jToken.Value<string>("id");
+        if(id is null)
+            throw new Exception("jToken was not in expected format");
+        
+        JObject? attributes = jToken["attributes"] as JObject;
+        if(attributes is null)
+            throw new Exception("jToken was not in expected format");
+        string? name = attributes["title"]?.Value<string>("en") ?? attributes["title"]?.First?.First?.Value<string>();
+        string description = attributes["description"]?.Value<string>("en")??attributes["description"]?.First?.First?.Value<string>()??"";
+        string? status = attributes["status"]?.Value<string>();
+        uint? year = attributes["year"]?.Value<uint?>();
+        string? originalLanguage = attributes["originalLanguage"]?.Value<string>();
+        JArray? altTitlesJArray = attributes.TryGetValue("altTitles", out JToken? altTitlesArray) ? altTitlesArray as JArray : null;
+        JArray? tagsJArray = attributes.TryGetValue("tags", out JToken? tagsArray) ? tagsArray as JArray : null;
+        JArray? relationships = jToken["relationships"] as JArray;
+        if (name is null || status is null || relationships is null)
+            throw new Exception("jToken was not in expected format");
+        
+        string? coverFileName = relationships.FirstOrDefault(r => r["type"]?.Value<string>() == "cover_art")?["attributes"]?.Value<string>("fileName");
+        if(coverFileName is null)
+            throw new Exception("jToken was not in expected format");
+        
+        List<Link> links = attributes["links"]?
+            .ToObject<Dictionary<string,string>>()?
+            .Select(kv =>
+            {
+                //https://api.mangadex.org/docs/3-enumerations/#manga-links-data
+                string url = kv.Key switch
+                {
+                    "al" => $"https://anilist.co/manga/{kv.Value}",
+                    "ap" => $"https://www.anime-planet.com/manga/{kv.Value}",
+                    "bw" => $"https://bookwalker.jp/{kv.Value}",
+                    "mu" => $"https://www.mangaupdates.com/series.html?id={kv.Value}",
+                    "nu" => $"https://www.novelupdates.com/series/{kv.Value}",
+                    "mal" => $"https://myanimelist.net/manga/{kv.Value}",
+                    _ => kv.Value
+                };
+                string key = kv.Key switch
+                {
+                    "al" => "AniList",
+                    "ap" => "Anime Planet",
+                    "bw" => "BookWalker",
+                    "mu" => "Obj Updates",
+                    "nu" => "Novel Updates",
+                    "kt" => "Kitsu.io",
+                    "amz" => "Amazon",
+                    "ebj" => "eBookJapan",
+                    "mal" => "MyAnimeList",
+                    "cdj" => "CDJapan",
+                    _ => kv.Key
+                };
+                return new Link(key, url);
+            }).ToList()??[];
+
+        List<AltTitle> altTitles = altTitlesJArray?
+            .Select(t =>
+            {
+                JObject? j = t as JObject;
+                JProperty? p = j?.Properties().First();
+                if (p is null)
+                    return null;
+                return new AltTitle(p.Name, p.Value.ToString());
+            }).Where(x => x is not null).Cast<AltTitle>().ToList()??[];
+        
+        List<MangaTag> tags = tagsJArray?
+            .Where(t => t.Value<string>("type") == "tag")
+            .Select(t => t["attributes"]?["name"]?.Value<string>("en")??t["attributes"]?["name"]?.First?.First?.Value<string>())
+            .Select(str => str is not null ? new MangaTag(str) : null)
+            .Where(x => x is not null).Cast<MangaTag>().ToList()??[];
+        
+        List<Author> authors = relationships
+            .Where(r => r["type"]?.Value<string>() == "author")
+            .Select(t => t["attributes"]?.Value<string>("name"))
+            .Select(str => str is not null ? new Author(str) : null)
+            .Where(x => x is not null).Cast<Author>().ToList();
+            
+        
+        MangaReleaseStatus releaseStatus = status switch
+        {
+            "completed" => MangaReleaseStatus.Completed,
+            "ongoing" => MangaReleaseStatus.Continuing,
+            "cancelled" => MangaReleaseStatus.Cancelled,
+            "hiatus" => MangaReleaseStatus.OnHiatus,
+            _ => MangaReleaseStatus.Unreleased
+        };
+        string websiteUrl = $"https://mangadex.org/title/{id}";
+        string coverUrl = $"https://uploads.mangadex.org/covers/{id}/{coverFileName}";
+
+        Manga manga = new (name, description, coverUrl, releaseStatus, authors, tags, links,altTitles,
+            null, 0f, year, originalLanguage);
+        MangaConnectorId<Manga> mcId = new (manga, this, id, websiteUrl);
+        manga.MangaConnectorIds.Add(mcId);
+        return (manga, mcId);
+    }
+
+    private (Chapter chapter, MangaConnectorId<Chapter> id) ParseChapterFromJToken(MangaConnectorId<Manga> mcIdManga, JToken jToken)
+    {
+        string? id = jToken.Value<string>("id");
+        JToken? attributes = jToken["attributes"];
+        string? chapterStr = attributes?.Value<string>("chapter") ?? "0";
+        string? volumeStr = attributes?.Value<string>("volume");
+        int? volumeNumber = null;
+        string? title = attributes?.Value<string>("title");
+        
+        if(id is null || chapterStr is null)
+            throw new Exception("jToken was not in expected format");
+        if(volumeStr is not null)
+            volumeNumber = int.Parse(volumeStr);
+        
+        string websiteUrl = $"https://mangadex.org/chapter/{id}";
+        Chapter chapter = new (mcIdManga.Obj, chapterStr, volumeNumber, title);
+        MangaConnectorId<Chapter> mcId = new(chapter, this, id, websiteUrl);
+        chapter.MangaConnectorIds.Add(mcId);
+        return (chapter, mcId);
+    }
+}

API/MangaDownloadClients/DownloadClient.cs

@@ -0,0 +1,53 @@
+using System.Collections.Concurrent;
+using System.Net;
+using log4net;
+
+namespace API.MangaDownloadClients;
+
+public abstract class DownloadClient
+{
+    private static readonly ConcurrentDictionary<RequestType, DateTime> LastExecutedRateLimit = new();
+    protected ILog Log { get; init; }
+
+    protected DownloadClient()
+    {
+        this.Log = LogManager.GetLogger(GetType());
+    }
+    
+    // TODO Requests still go too fast across threads!
+    public RequestResult MakeRequest(string url, RequestType requestType, string? referrer = null, string? clickButton = null)
+    {
+        Log.Debug($"Requesting {requestType} {url}");
+        
+        // If we don't have a RequestLimit set for a Type, use the default one
+        if (!Tranga.Settings.RequestLimits.ContainsKey(requestType))
+            requestType = RequestType.Default;
+
+        int rateLimit = Tranga.Settings.RequestLimits[requestType];
+        // TODO this probably needs a better check whether the useragent matches...
+        // If the UserAgent is the default one, do not exceed the default request-limits.
+        if (Tranga.Settings.UserAgent == TrangaSettings.DefaultUserAgent && rateLimit > TrangaSettings.DefaultRequestLimits[requestType])
+            rateLimit = TrangaSettings.DefaultRequestLimits[requestType];
+        
+        // Apply the delay
+        TimeSpan timeBetweenRequests = TimeSpan.FromMinutes(1).Divide(rateLimit);
+        DateTime now = DateTime.Now;
+        LastExecutedRateLimit.TryAdd(requestType, now.Subtract(timeBetweenRequests));
+
+        TimeSpan rateLimitTimeout = timeBetweenRequests.Subtract(now.Subtract(LastExecutedRateLimit[requestType]));
+        Log.Debug($"Request limit {requestType} {rateLimit}/Minute timeBetweenRequests: {timeBetweenRequests:ss'.'fffff} Timeout: {rateLimitTimeout:ss'.'fffff}");
+        
+        if (rateLimitTimeout > TimeSpan.Zero)
+            Thread.Sleep(rateLimitTimeout);
+
+        // Make the request
+        RequestResult result = MakeRequestInternal(url, referrer, clickButton);
+        
+        // Update the time the last request was made
+        LastExecutedRateLimit[requestType] = DateTime.UtcNow;
+        Log.Debug($"Result {url}: {result}");
+        return result;
+    }
+
+    internal abstract RequestResult MakeRequestInternal(string url, string? referrer = null, string? clickButton = null);
+}

API/MangaDownloadClients/FlareSolverrDownloadClient.cs

@@ -0,0 +1,178 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Net;
+using System.Text;
+using System.Text.Json;
+using HtmlAgilityPack;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace API.MangaDownloadClients;
+
+public class FlareSolverrDownloadClient : DownloadClient
+{
+    internal override RequestResult MakeRequestInternal(string url, string? referrer = null, string? clickButton = null)
+    {
+        if (clickButton is not null)
+            Log.Warn("Client can not click button");
+        if(referrer is not null)
+            Log.Warn("Client can not set referrer");
+        if (Tranga.Settings.FlareSolverrUrl == string.Empty)
+        {
+            Log.Error("FlareSolverr URL is empty");
+            return new(HttpStatusCode.InternalServerError, null, Stream.Null);
+        }
+        
+        Uri flareSolverrUri = new (Tranga.Settings.FlareSolverrUrl);
+        if (flareSolverrUri.Segments.Last() != "v1")
+            flareSolverrUri = new UriBuilder(flareSolverrUri)
+            {
+                Path = "v1"
+            }.Uri;
+        
+        HttpClient client = new()
+        {
+            Timeout = TimeSpan.FromSeconds(10),
+            DefaultVersionPolicy = HttpVersionPolicy.RequestVersionOrHigher,
+            DefaultRequestHeaders = { { "User-Agent", Tranga.Settings.UserAgent } }
+        };
+
+        JObject requestObj = new()
+        {
+            ["cmd"] = "request.get",
+            ["url"] = url
+        };
+
+        HttpRequestMessage requestMessage = new(HttpMethod.Post, flareSolverrUri)
+        {
+            Content = new StringContent(JsonConvert.SerializeObject(requestObj)),
+        };
+        requestMessage.Content.Headers.ContentType = new ("application/json");
+        Log.Debug($"Requesting {url}");
+        
+        HttpResponseMessage? response;
+        try
+        {
+            response = client.Send(requestMessage);
+        }
+        catch (HttpRequestException e)
+        {
+            Log.Error(e);
+            return new (HttpStatusCode.Unused, null, Stream.Null);
+        }
+
+        if (!response.IsSuccessStatusCode)
+        {
+            Log.Debug($"Request returned status code {(int)response.StatusCode} {response.StatusCode}:\n" +
+                      $"=====\n" +
+                      $"Request:\n" +
+                      $"{requestMessage.Method} {requestMessage.RequestUri}\n" +
+                      $"{requestMessage.Version} {requestMessage.VersionPolicy}\n" +
+                      $"Headers:\n\t{string.Join("\n\t", requestMessage.Headers.Select(h => $"{h.Key}: <{string.Join(">, <", h.Value)}"))}>\n" +
+                      $"{requestMessage.Content?.ReadAsStringAsync().Result}" +
+                      $"=====\n" +
+                      $"Response:\n" +
+                      $"{response.Version}\n" +
+                      $"Headers:\n\t{string.Join("\n\t", response.Headers.Select(h => $"{h.Key}: <{string.Join(">, <", h.Value)}"))}>\n" +
+                      $"{response.Content.ReadAsStringAsync().Result}");
+            return new (response.StatusCode,  null, Stream.Null);
+        }
+
+        string responseString = response.Content.ReadAsStringAsync().Result;
+        JObject responseObj = JObject.Parse(responseString);
+        if (!IsInCorrectFormat(responseObj, out string? reason))
+        {
+            Log.Error($"Wrong format: {reason}");
+            return new(HttpStatusCode.Unused, null, Stream.Null);
+        }
+
+        string statusResponse = responseObj["status"]!.Value<string>()!;
+        if (statusResponse != "ok")
+        {
+            Log.Debug($"Status is not ok: {statusResponse}");
+            return new(HttpStatusCode.Unused, null, Stream.Null);
+        }
+        JObject solution = (responseObj["solution"] as JObject)!;
+
+        if (!Enum.TryParse(solution["status"]!.Value<int>().ToString(), out HttpStatusCode statusCode))
+        {
+            Log.Error($"Wrong format: Cant parse status code: {solution["status"]!.Value<int>()}");
+            return new(HttpStatusCode.Unused, null, Stream.Null);
+        }
+        if (statusCode < HttpStatusCode.OK || statusCode >= HttpStatusCode.MultipleChoices)
+        {
+            Log.Debug($"Status is: {statusCode}");
+            return new(statusCode, null, Stream.Null);
+        }
+
+        if (solution["response"]!.Value<string>() is not { } htmlString)
+        {
+            Log.Error("Wrong format: Cant find response in solution");
+            return new(HttpStatusCode.Unused, null, Stream.Null);
+        }
+
+        if (IsJson(htmlString, out HtmlDocument document, out string? json))
+        {
+            MemoryStream ms = new();
+            ms.Write(Encoding.UTF8.GetBytes(json));
+            ms.Position = 0;
+            return new(statusCode, document, ms);
+        }
+        else
+        {
+            MemoryStream ms = new();
+            ms.Write(Encoding.UTF8.GetBytes(htmlString));
+            ms.Position = 0;
+            return new(statusCode, document, ms);
+        }
+    }
+
+    private bool IsInCorrectFormat(JObject responseObj, [NotNullWhen(false)]out string? reason)
+    {
+        reason = null;
+        if (!responseObj.ContainsKey("status"))
+        {
+            reason = "Cant find status on response";
+            return false;
+        }
+
+        if (responseObj["solution"] is not JObject solution)
+        {
+            reason = "Cant find solution";
+            return false;
+        }
+
+        if (!solution.ContainsKey("status"))
+        {
+            reason = "Wrong format: Cant find status in solution";
+            return false;
+        }
+
+        if (!solution.ContainsKey("response"))
+        {
+
+            reason = "Wrong format: Cant find response in solution";
+            return false;
+        }
+
+        return true;
+    }
+
+    private bool IsJson(string htmlString, out HtmlDocument document, [NotNullWhen(true)]out string? jsonString)
+    {
+        jsonString = null;
+        document = new();
+        document.LoadHtml(htmlString);
+
+        HtmlNode pre = document.DocumentNode.SelectSingleNode("//pre");
+        try
+        {
+            using JsonDocument _ = JsonDocument.Parse(pre.InnerText);
+            jsonString = pre.InnerText;
+            return true;
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+}

API/MangaDownloadClients/HttpDownloadClient.cs

@@ -0,0 +1,88 @@
+using System.Net;
+using HtmlAgilityPack;
+
+namespace API.MangaDownloadClients;
+
+internal class HttpDownloadClient : DownloadClient
+{
+    private static readonly FlareSolverrDownloadClient FlareSolverrDownloadClient = new();
+    internal override RequestResult MakeRequestInternal(string url, string? referrer = null, string? clickButton = null)
+    {
+        if (clickButton is not null)
+            Log.Warn("Client can not click button");
+        HttpClient client = new();
+        client.Timeout = TimeSpan.FromSeconds(10);
+        client.DefaultVersionPolicy = HttpVersionPolicy.RequestVersionOrHigher;
+        client.DefaultRequestHeaders.Add("User-Agent", Tranga.Settings.UserAgent);
+        HttpResponseMessage? response;
+        Uri uri = new(url);
+        HttpRequestMessage requestMessage = new(HttpMethod.Get, uri);
+        if (referrer is not null)
+            requestMessage.Headers.Referrer = new (referrer);
+        Log.Debug($"Requesting {url}");
+        try
+        {
+            response = client.Send(requestMessage);
+        }
+        catch (HttpRequestException e)
+        {
+            Log.Error(e);
+            return new (HttpStatusCode.Unused, null, Stream.Null);
+        }
+
+        if (!response.IsSuccessStatusCode)
+        {
+            Log.Debug($"Request returned status code {(int)response.StatusCode} {response.StatusCode}");
+            if (response.Headers.Server.Any(s =>
+                    (s.Product?.Name ?? "").Contains("cloudflare", StringComparison.InvariantCultureIgnoreCase)))
+            {
+                Log.Debug("Retrying with FlareSolverr!");
+                return FlareSolverrDownloadClient.MakeRequestInternal(url, referrer, clickButton);
+            }
+            else
+            {
+                Log.Debug($"Request returned status code {(int)response.StatusCode} {response.StatusCode}:\n" +
+                          $"=====\n" +
+                          $"Request:\n" +
+                          $"{requestMessage.Method} {requestMessage.RequestUri}\n" +
+                          $"{requestMessage.Version} {requestMessage.VersionPolicy}\n" +
+                          $"Headers:\n\t{string.Join("\n\t", requestMessage.Headers.Select(h => $"{h.Key}: <{string.Join(">, <", h.Value)}"))}>\n" +
+                          $"{requestMessage.Content?.ReadAsStringAsync().Result}" +
+                          $"=====\n" +
+                          $"Response:\n" +
+                          $"{response.Version}\n" +
+                          $"Headers:\n\t{string.Join("\n\t", response.Headers.Select(h => $"{h.Key}: <{string.Join(">, <", h.Value)}"))}>\n" +
+                          $"{response.Content.ReadAsStringAsync().Result}");
+            }
+        }
+
+        Stream stream;
+        try
+        {
+            stream = response.Content.ReadAsStream();
+        }
+        catch (Exception e)
+        {
+            Log.Error(e);
+            return new (HttpStatusCode.Unused, null, Stream.Null);
+        }
+
+        HtmlDocument? document = null;
+
+        if (response.Content.Headers.ContentType?.MediaType == "text/html")
+        {
+            StreamReader reader = new (stream);
+            document = new ();
+            document.LoadHtml(reader.ReadToEnd());
+            stream.Position = 0;
+        }
+
+        // Request has been redirected to another page. For example, it redirects directly to the results when there is only 1 result
+        if (response.RequestMessage is not null && response.RequestMessage.RequestUri is not null && response.RequestMessage.RequestUri != uri)
+        {
+            return new (response.StatusCode, document, stream, true, response.RequestMessage.RequestUri.AbsoluteUri);
+        }
+
+        return new (response.StatusCode, document, stream);
+    }
+}

API/MangaDownloadClients/RequestResult.cs

@@ -1,7 +1,7 @@
 using System.Net;
 using HtmlAgilityPack;
 
-namespace Tranga.MangaConnectors;
+namespace API.MangaDownloadClients;
 
 public struct RequestResult
 {
@@ -24,4 +24,10 @@ public struct RequestResult
         this.hasBeenRedirected = hasBeenRedirected;
         redirectedToUrl = redirectedTo;
     }
+
+    public override string ToString()
+    {
+        return
+            $"{(int)statusCode} {statusCode.ToString()} {(hasBeenRedirected ? "Redirected: " : "")} {redirectedToUrl}";
+    }
 }

API/MangaDownloadClients/RequestType.cs

@@ -1,4 +1,4 @@
-namespace Tranga.MangaConnectors;
+namespace API.MangaDownloadClients;
 
 public enum RequestType : byte
 {

API/Migrations/Library/20250703191925_Initial.Designer.cs

@@ -0,0 +1,70 @@
+// <auto-generated />
+using API.Schema.LibraryContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Library
+{
+    [DbContext(typeof(LibraryContext))]
+    [Migration("20250703191925_Initial")]
+    partial class Initial
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Auth")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("BaseUrl")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<byte>("LibraryType")
+                        .HasColumnType("smallint");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("LibraryConnectors");
+
+                    b.HasDiscriminator<byte>("LibraryType");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.Kavita", b =>
+                {
+                    b.HasBaseType("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector");
+
+                    b.HasDiscriminator().HasValue((byte)1);
+                });
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.Komga", b =>
+                {
+                    b.HasBaseType("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector");
+
+                    b.HasDiscriminator().HasValue((byte)0);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Library/20250703191925_Initial.cs

@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Library
+{
+    /// <inheritdoc />
+    public partial class Initial : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "LibraryConnectors",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    LibraryType = table.Column<byte>(type: "smallint", nullable: false),
+                    BaseUrl = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    Auth = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_LibraryConnectors", x => x.Key);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "LibraryConnectors");
+        }
+    }
+}

API/Migrations/Library/20250901194308_KeyLengthChange.Designer.cs

@@ -0,0 +1,71 @@
+// <auto-generated />
+using API.Schema.LibraryContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Library
+{
+    [DbContext(typeof(LibraryContext))]
+    [Migration("20250901194308_KeyLengthChange")]
+    partial class KeyLengthChange
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Auth")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("BaseUrl")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<byte>("LibraryType")
+                        .HasColumnType("smallint");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("LibraryConnectors");
+
+                    b.HasDiscriminator<byte>("LibraryType");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.Kavita", b =>
+                {
+                    b.HasBaseType("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector");
+
+                    b.HasDiscriminator().HasValue((byte)1);
+                });
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.Komga", b =>
+                {
+                    b.HasBaseType("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector");
+
+                    b.HasDiscriminator().HasValue((byte)0);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Library/20250901194308_KeyLengthChange.cs

@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Library
+{
+    /// <inheritdoc />
+    public partial class KeyLengthChange : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "LibraryConnectors",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "LibraryConnectors",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+        }
+    }
+}

API/Migrations/Library/LibraryContextModelSnapshot.cs

@@ -0,0 +1,68 @@
+// <auto-generated />
+using API.Schema.LibraryContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Library
+{
+    [DbContext(typeof(LibraryContext))]
+    partial class LibraryContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Auth")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("BaseUrl")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<byte>("LibraryType")
+                        .HasColumnType("smallint");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("LibraryConnectors");
+
+                    b.HasDiscriminator<byte>("LibraryType");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.Kavita", b =>
+                {
+                    b.HasBaseType("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector");
+
+                    b.HasDiscriminator().HasValue((byte)1);
+                });
+
+            modelBuilder.Entity("API.Schema.LibraryContext.LibraryConnectors.Komga", b =>
+                {
+                    b.HasBaseType("API.Schema.LibraryContext.LibraryConnectors.LibraryConnector");
+
+                    b.HasDiscriminator().HasValue((byte)0);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Manga/20250722203315_Initial.Designer.cs

@@ -0,0 +1,527 @@
+// <auto-generated />
+using API.Schema.MangaContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Manga
+{
+    [DbContext(typeof(MangaContext))]
+    [Migration("20250722203315_Initial")]
+    partial class Initial
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.MangaConnectors.MangaConnector", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.PrimitiveCollection<string[]>("BaseUris")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("IconUrl")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.PrimitiveCollection<string[]>("SupportedLanguages")
+                        .IsRequired()
+                        .HasMaxLength(8)
+                        .HasColumnType("text[]");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("MangaConnector");
+
+                    b.HasDiscriminator<string>("Name").HasValue("MangaConnector");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Author", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("AuthorName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Authors");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ChapterNumber")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("character varying(10)");
+
+                    b.Property<bool>("Downloaded")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("ParentMangaId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<int?>("VolumeNumber")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ParentMangaId");
+
+                    b.ToTable("Chapters");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.FileLibrary", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("BasePath")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("LibraryName")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("FileLibraries");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("CoverFileNameInCache")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("CoverUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DirectoryName")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<float>("IgnoreChaptersBefore")
+                        .HasColumnType("real");
+
+                    b.Property<string>("LibraryId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("OriginalLanguage")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<byte>("ReleaseStatus")
+                        .HasColumnType("smallint");
+
+                    b.Property<long?>("Year")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("LibraryId");
+
+                    b.ToTable("Mangas");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Chapter>", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IdOnConnectorSite")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("MangaConnectorName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.Property<string>("ObjId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<bool>("UseForDownload")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("WebsiteUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ObjId");
+
+                    b.ToTable("MangaConnectorToChapter");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Manga>", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<string>("IdOnConnectorSite")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("MangaConnectorName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.Property<string>("ObjId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<bool>("UseForDownload")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("WebsiteUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ObjId");
+
+                    b.ToTable("MangaConnectorToManga");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaTag", b =>
+                {
+                    b.Property<string>("Tag")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("Tag");
+
+                    b.ToTable("Tags");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataEntry", b =>
+                {
+                    b.Property<string>("MetadataFetcherName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Identifier")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("MetadataFetcherName", "Identifier");
+
+                    b.HasIndex("MangaId");
+
+                    b.ToTable("MetadataEntries");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MetadataEntry")
+                        .IsRequired()
+                        .HasMaxLength(21)
+                        .HasColumnType("character varying(21)");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("MetadataFetcher");
+
+                    b.HasDiscriminator<string>("MetadataEntry").HasValue("MetadataFetcher");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("AuthorToManga", b =>
+                {
+                    b.Property<string>("AuthorIds")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MangaIds")
+                        .HasColumnType("text");
+
+                    b.HasKey("AuthorIds", "MangaIds");
+
+                    b.HasIndex("MangaIds");
+
+                    b.ToTable("AuthorToManga");
+                });
+
+            modelBuilder.Entity("MangaTagToManga", b =>
+                {
+                    b.Property<string>("MangaTagIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaIds")
+                        .HasColumnType("text");
+
+                    b.HasKey("MangaTagIds", "MangaIds");
+
+                    b.HasIndex("MangaIds");
+
+                    b.ToTable("MangaTagToManga");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.ComickIo", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("ComickIo");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.Global", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("Global");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.MangaDex", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("MangaDex");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MyAnimeList", b =>
+                {
+                    b.HasBaseType("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher");
+
+                    b.HasDiscriminator().HasValue("MyAnimeList");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "ParentManga")
+                        .WithMany("Chapters")
+                        .HasForeignKey("ParentMangaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("ParentManga");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.FileLibrary", "Library")
+                        .WithMany()
+                        .HasForeignKey("LibraryId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.OwnsMany("API.Schema.MangaContext.AltTitle", "AltTitles", b1 =>
+                        {
+                            b1.Property<string>("Key")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("Language")
+                                .IsRequired()
+                                .HasMaxLength(8)
+                                .HasColumnType("character varying(8)");
+
+                            b1.Property<string>("MangaKey")
+                                .IsRequired()
+                                .HasColumnType("text");
+
+                            b1.Property<string>("Title")
+                                .IsRequired()
+                                .HasMaxLength(256)
+                                .HasColumnType("character varying(256)");
+
+                            b1.HasKey("Key");
+
+                            b1.HasIndex("MangaKey");
+
+                            b1.ToTable("AltTitle");
+
+                            b1.WithOwner()
+                                .HasForeignKey("MangaKey");
+                        });
+
+                    b.OwnsMany("API.Schema.MangaContext.Link", "Links", b1 =>
+                        {
+                            b1.Property<string>("Key")
+                                .HasColumnType("text");
+
+                            b1.Property<string>("LinkProvider")
+                                .IsRequired()
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("LinkUrl")
+                                .IsRequired()
+                                .HasMaxLength(2048)
+                                .HasColumnType("character varying(2048)");
+
+                            b1.Property<string>("MangaKey")
+                                .IsRequired()
+                                .HasColumnType("text");
+
+                            b1.HasKey("Key");
+
+                            b1.HasIndex("MangaKey");
+
+                            b1.ToTable("Link");
+
+                            b1.WithOwner()
+                                .HasForeignKey("MangaKey");
+                        });
+
+                    b.Navigation("AltTitles");
+
+                    b.Navigation("Library");
+
+                    b.Navigation("Links");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Chapter>", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Chapter", "Obj")
+                        .WithMany("MangaConnectorIds")
+                        .HasForeignKey("ObjId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Obj");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Manga>", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "Obj")
+                        .WithMany("MangaConnectorIds")
+                        .HasForeignKey("ObjId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Obj");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataEntry", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "Manga")
+                        .WithMany()
+                        .HasForeignKey("MangaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher", "MetadataFetcher")
+                        .WithMany()
+                        .HasForeignKey("MetadataFetcherName")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Manga");
+
+                    b.Navigation("MetadataFetcher");
+                });
+
+            modelBuilder.Entity("AuthorToManga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Author", null)
+                        .WithMany()
+                        .HasForeignKey("AuthorIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.Manga", null)
+                        .WithMany()
+                        .HasForeignKey("MangaIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("MangaTagToManga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", null)
+                        .WithMany()
+                        .HasForeignKey("MangaIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.MangaTag", null)
+                        .WithMany()
+                        .HasForeignKey("MangaTagIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.Navigation("MangaConnectorIds");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.Navigation("Chapters");
+
+                    b.Navigation("MangaConnectorIds");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Manga/20250722203315_Initial.cs

@@ -0,0 +1,375 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Manga
+{
+    /// <inheritdoc />
+    public partial class Initial : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Authors",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    AuthorName = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Authors", x => x.Key);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "FileLibraries",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    BasePath = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    LibraryName = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_FileLibraries", x => x.Key);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MangaConnector",
+                columns: table => new
+                {
+                    Name = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false),
+                    SupportedLanguages = table.Column<string[]>(type: "text[]", maxLength: 8, nullable: false),
+                    IconUrl = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: false),
+                    BaseUris = table.Column<string[]>(type: "text[]", maxLength: 256, nullable: false),
+                    Enabled = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MangaConnector", x => x.Name);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MetadataFetcher",
+                columns: table => new
+                {
+                    Name = table.Column<string>(type: "text", nullable: false),
+                    MetadataEntry = table.Column<string>(type: "character varying(21)", maxLength: 21, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MetadataFetcher", x => x.Name);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Tags",
+                columns: table => new
+                {
+                    Tag = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Tags", x => x.Tag);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Mangas",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    Name = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false),
+                    Description = table.Column<string>(type: "text", nullable: false),
+                    CoverUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false),
+                    ReleaseStatus = table.Column<byte>(type: "smallint", nullable: false),
+                    LibraryId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true),
+                    IgnoreChaptersBefore = table.Column<float>(type: "real", nullable: false),
+                    DirectoryName = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: false),
+                    CoverFileNameInCache = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true),
+                    Year = table.Column<long>(type: "bigint", nullable: true),
+                    OriginalLanguage = table.Column<string>(type: "character varying(8)", maxLength: 8, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Mangas", x => x.Key);
+                    table.ForeignKey(
+                        name: "FK_Mangas_FileLibraries_LibraryId",
+                        column: x => x.LibraryId,
+                        principalTable: "FileLibraries",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.SetNull);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AltTitle",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    Language = table.Column<string>(type: "character varying(8)", maxLength: 8, nullable: false),
+                    Title = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    MangaKey = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AltTitle", x => x.Key);
+                    table.ForeignKey(
+                        name: "FK_AltTitle_Mangas_MangaKey",
+                        column: x => x.MangaKey,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "AuthorToManga",
+                columns: table => new
+                {
+                    AuthorIds = table.Column<string>(type: "text", nullable: false),
+                    MangaIds = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_AuthorToManga", x => new { x.AuthorIds, x.MangaIds });
+                    table.ForeignKey(
+                        name: "FK_AuthorToManga_Authors_AuthorIds",
+                        column: x => x.AuthorIds,
+                        principalTable: "Authors",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_AuthorToManga_Mangas_MangaIds",
+                        column: x => x.MangaIds,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Chapters",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    ParentMangaId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    VolumeNumber = table.Column<int>(type: "integer", nullable: true),
+                    ChapterNumber = table.Column<string>(type: "character varying(10)", maxLength: 10, nullable: false),
+                    Title = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: true),
+                    FileName = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    Downloaded = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Chapters", x => x.Key);
+                    table.ForeignKey(
+                        name: "FK_Chapters_Mangas_ParentMangaId",
+                        column: x => x.ParentMangaId,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Link",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    LinkProvider = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    LinkUrl = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: false),
+                    MangaKey = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Link", x => x.Key);
+                    table.ForeignKey(
+                        name: "FK_Link_Mangas_MangaKey",
+                        column: x => x.MangaKey,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MangaConnectorToManga",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    ObjId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    MangaConnectorName = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false),
+                    IdOnConnectorSite = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    WebsiteUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true),
+                    UseForDownload = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MangaConnectorToManga", x => x.Key);
+                    table.ForeignKey(
+                        name: "FK_MangaConnectorToManga_Mangas_ObjId",
+                        column: x => x.ObjId,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MangaTagToManga",
+                columns: table => new
+                {
+                    MangaTagIds = table.Column<string>(type: "character varying(64)", nullable: false),
+                    MangaIds = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MangaTagToManga", x => new { x.MangaTagIds, x.MangaIds });
+                    table.ForeignKey(
+                        name: "FK_MangaTagToManga_Mangas_MangaIds",
+                        column: x => x.MangaIds,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_MangaTagToManga_Tags_MangaTagIds",
+                        column: x => x.MangaTagIds,
+                        principalTable: "Tags",
+                        principalColumn: "Tag",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MetadataEntries",
+                columns: table => new
+                {
+                    MetadataFetcherName = table.Column<string>(type: "text", nullable: false),
+                    Identifier = table.Column<string>(type: "text", nullable: false),
+                    MangaId = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MetadataEntries", x => new { x.MetadataFetcherName, x.Identifier });
+                    table.ForeignKey(
+                        name: "FK_MetadataEntries_Mangas_MangaId",
+                        column: x => x.MangaId,
+                        principalTable: "Mangas",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_MetadataEntries_MetadataFetcher_MetadataFetcherName",
+                        column: x => x.MetadataFetcherName,
+                        principalTable: "MetadataFetcher",
+                        principalColumn: "Name",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "MangaConnectorToChapter",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    ObjId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    MangaConnectorName = table.Column<string>(type: "character varying(32)", maxLength: 32, nullable: false),
+                    IdOnConnectorSite = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
+                    WebsiteUrl = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true),
+                    UseForDownload = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_MangaConnectorToChapter", x => x.Key);
+                    table.ForeignKey(
+                        name: "FK_MangaConnectorToChapter_Chapters_ObjId",
+                        column: x => x.ObjId,
+                        principalTable: "Chapters",
+                        principalColumn: "Key",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AltTitle_MangaKey",
+                table: "AltTitle",
+                column: "MangaKey");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_AuthorToManga_MangaIds",
+                table: "AuthorToManga",
+                column: "MangaIds");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Chapters_ParentMangaId",
+                table: "Chapters",
+                column: "ParentMangaId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Link_MangaKey",
+                table: "Link",
+                column: "MangaKey");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_MangaConnectorToChapter_ObjId",
+                table: "MangaConnectorToChapter",
+                column: "ObjId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_MangaConnectorToManga_ObjId",
+                table: "MangaConnectorToManga",
+                column: "ObjId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Mangas_LibraryId",
+                table: "Mangas",
+                column: "LibraryId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_MangaTagToManga_MangaIds",
+                table: "MangaTagToManga",
+                column: "MangaIds");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_MetadataEntries_MangaId",
+                table: "MetadataEntries",
+                column: "MangaId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "AltTitle");
+
+            migrationBuilder.DropTable(
+                name: "AuthorToManga");
+
+            migrationBuilder.DropTable(
+                name: "Link");
+
+            migrationBuilder.DropTable(
+                name: "MangaConnector");
+
+            migrationBuilder.DropTable(
+                name: "MangaConnectorToChapter");
+
+            migrationBuilder.DropTable(
+                name: "MangaConnectorToManga");
+
+            migrationBuilder.DropTable(
+                name: "MangaTagToManga");
+
+            migrationBuilder.DropTable(
+                name: "MetadataEntries");
+
+            migrationBuilder.DropTable(
+                name: "Authors");
+
+            migrationBuilder.DropTable(
+                name: "Chapters");
+
+            migrationBuilder.DropTable(
+                name: "Tags");
+
+            migrationBuilder.DropTable(
+                name: "MetadataFetcher");
+
+            migrationBuilder.DropTable(
+                name: "Mangas");
+
+            migrationBuilder.DropTable(
+                name: "FileLibraries");
+        }
+    }
+}

API/Migrations/Manga/20250901194144_KeyLengthChange.Designer.cs

@@ -0,0 +1,535 @@
+// <auto-generated />
+using API.Schema.MangaContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Manga
+{
+    [DbContext(typeof(MangaContext))]
+    [Migration("20250901194144_KeyLengthChange")]
+    partial class KeyLengthChange
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.MangaConnectors.MangaConnector", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.PrimitiveCollection<string[]>("BaseUris")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("IconUrl")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.PrimitiveCollection<string[]>("SupportedLanguages")
+                        .IsRequired()
+                        .HasMaxLength(8)
+                        .HasColumnType("text[]");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("MangaConnector");
+
+                    b.HasDiscriminator<string>("Name").HasValue("MangaConnector");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Author", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("AuthorName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Authors");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("ChapterNumber")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("character varying(10)");
+
+                    b.Property<bool>("Downloaded")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("ParentMangaId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<int?>("VolumeNumber")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ParentMangaId");
+
+                    b.ToTable("Chapters");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.FileLibrary", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("BasePath")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("LibraryName")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("FileLibraries");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("CoverFileNameInCache")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("CoverUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DirectoryName")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<float>("IgnoreChaptersBefore")
+                        .HasColumnType("real");
+
+                    b.Property<string>("LibraryId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("OriginalLanguage")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<byte>("ReleaseStatus")
+                        .HasColumnType("smallint");
+
+                    b.Property<long?>("Year")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("LibraryId");
+
+                    b.ToTable("Mangas");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Chapter>", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("IdOnConnectorSite")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("MangaConnectorName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.Property<string>("ObjId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<bool>("UseForDownload")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("WebsiteUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ObjId");
+
+                    b.ToTable("MangaConnectorToChapter");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Manga>", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("IdOnConnectorSite")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("MangaConnectorName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.Property<string>("ObjId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<bool>("UseForDownload")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("WebsiteUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ObjId");
+
+                    b.ToTable("MangaConnectorToManga");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaTag", b =>
+                {
+                    b.Property<string>("Tag")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("Tag");
+
+                    b.ToTable("Tags");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataEntry", b =>
+                {
+                    b.Property<string>("MetadataFetcherName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Identifier")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("MetadataFetcherName", "Identifier");
+
+                    b.HasIndex("MangaId");
+
+                    b.ToTable("MetadataEntries");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MetadataEntry")
+                        .IsRequired()
+                        .HasMaxLength(21)
+                        .HasColumnType("character varying(21)");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("MetadataFetcher");
+
+                    b.HasDiscriminator<string>("MetadataEntry").HasValue("MetadataFetcher");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("AuthorToManga", b =>
+                {
+                    b.Property<string>("AuthorIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("AuthorIds", "MangaIds");
+
+                    b.HasIndex("MangaIds");
+
+                    b.ToTable("AuthorToManga");
+                });
+
+            modelBuilder.Entity("MangaTagToManga", b =>
+                {
+                    b.Property<string>("MangaTagIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("MangaTagIds", "MangaIds");
+
+                    b.HasIndex("MangaIds");
+
+                    b.ToTable("MangaTagToManga");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.ComickIo", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("ComickIo");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.Global", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("Global");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.MangaDex", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("MangaDex");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MyAnimeList", b =>
+                {
+                    b.HasBaseType("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher");
+
+                    b.HasDiscriminator().HasValue("MyAnimeList");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "ParentManga")
+                        .WithMany("Chapters")
+                        .HasForeignKey("ParentMangaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("ParentManga");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.FileLibrary", "Library")
+                        .WithMany()
+                        .HasForeignKey("LibraryId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.OwnsMany("API.Schema.MangaContext.AltTitle", "AltTitles", b1 =>
+                        {
+                            b1.Property<string>("Key")
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("Language")
+                                .IsRequired()
+                                .HasMaxLength(8)
+                                .HasColumnType("character varying(8)");
+
+                            b1.Property<string>("MangaKey")
+                                .IsRequired()
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("Title")
+                                .IsRequired()
+                                .HasMaxLength(256)
+                                .HasColumnType("character varying(256)");
+
+                            b1.HasKey("Key");
+
+                            b1.HasIndex("MangaKey");
+
+                            b1.ToTable("AltTitle");
+
+                            b1.WithOwner()
+                                .HasForeignKey("MangaKey");
+                        });
+
+                    b.OwnsMany("API.Schema.MangaContext.Link", "Links", b1 =>
+                        {
+                            b1.Property<string>("Key")
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("LinkProvider")
+                                .IsRequired()
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("LinkUrl")
+                                .IsRequired()
+                                .HasMaxLength(2048)
+                                .HasColumnType("character varying(2048)");
+
+                            b1.Property<string>("MangaKey")
+                                .IsRequired()
+                                .HasColumnType("character varying(64)");
+
+                            b1.HasKey("Key");
+
+                            b1.HasIndex("MangaKey");
+
+                            b1.ToTable("Link");
+
+                            b1.WithOwner()
+                                .HasForeignKey("MangaKey");
+                        });
+
+                    b.Navigation("AltTitles");
+
+                    b.Navigation("Library");
+
+                    b.Navigation("Links");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Chapter>", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Chapter", "Obj")
+                        .WithMany("MangaConnectorIds")
+                        .HasForeignKey("ObjId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Obj");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Manga>", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "Obj")
+                        .WithMany("MangaConnectorIds")
+                        .HasForeignKey("ObjId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Obj");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataEntry", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "Manga")
+                        .WithMany()
+                        .HasForeignKey("MangaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher", "MetadataFetcher")
+                        .WithMany()
+                        .HasForeignKey("MetadataFetcherName")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Manga");
+
+                    b.Navigation("MetadataFetcher");
+                });
+
+            modelBuilder.Entity("AuthorToManga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Author", null)
+                        .WithMany()
+                        .HasForeignKey("AuthorIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.Manga", null)
+                        .WithMany()
+                        .HasForeignKey("MangaIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("MangaTagToManga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", null)
+                        .WithMany()
+                        .HasForeignKey("MangaIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.MangaTag", null)
+                        .WithMany()
+                        .HasForeignKey("MangaTagIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.Navigation("MangaConnectorIds");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.Navigation("Chapters");
+
+                    b.Navigation("MangaConnectorIds");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Manga/20250901194144_KeyLengthChange.cs

@@ -0,0 +1,258 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Manga
+{
+    /// <inheritdoc />
+    public partial class KeyLengthChange : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaId",
+                table: "MetadataEntries",
+                type: "character varying(64)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaIds",
+                table: "MangaTagToManga",
+                type: "character varying(64)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Mangas",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "MangaConnectorToManga",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "MangaConnectorToChapter",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaKey",
+                table: "Link",
+                type: "character varying(64)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Link",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "FileLibraries",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Chapters",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaIds",
+                table: "AuthorToManga",
+                type: "character varying(64)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorIds",
+                table: "AuthorToManga",
+                type: "character varying(64)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Authors",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaKey",
+                table: "AltTitle",
+                type: "character varying(64)",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "AltTitle",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaId",
+                table: "MetadataEntries",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaIds",
+                table: "MangaTagToManga",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Mangas",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "MangaConnectorToManga",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "MangaConnectorToChapter",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaKey",
+                table: "Link",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Link",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "FileLibraries",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Chapters",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaIds",
+                table: "AuthorToManga",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "AuthorIds",
+                table: "AuthorToManga",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Authors",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "MangaKey",
+                table: "AltTitle",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "AltTitle",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+        }
+    }
+}

API/Migrations/Manga/MangaContextModelSnapshot.cs

@@ -0,0 +1,532 @@
+// <auto-generated />
+using API.Schema.MangaContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Manga
+{
+    [DbContext(typeof(MangaContext))]
+    partial class MangaContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.MangaConnectors.MangaConnector", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.PrimitiveCollection<string[]>("BaseUris")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("text[]");
+
+                    b.Property<bool>("Enabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("IconUrl")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.PrimitiveCollection<string[]>("SupportedLanguages")
+                        .IsRequired()
+                        .HasMaxLength(8)
+                        .HasColumnType("text[]");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("MangaConnector");
+
+                    b.HasDiscriminator<string>("Name").HasValue("MangaConnector");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Author", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("AuthorName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Authors");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("ChapterNumber")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("character varying(10)");
+
+                    b.Property<bool>("Downloaded")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("FileName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("ParentMangaId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<int?>("VolumeNumber")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ParentMangaId");
+
+                    b.ToTable("Chapters");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.FileLibrary", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("BasePath")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("LibraryName")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("FileLibraries");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("CoverFileNameInCache")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("CoverUrl")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DirectoryName")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<float>("IgnoreChaptersBefore")
+                        .HasColumnType("real");
+
+                    b.Property<string>("LibraryId")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("OriginalLanguage")
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<byte>("ReleaseStatus")
+                        .HasColumnType("smallint");
+
+                    b.Property<long?>("Year")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("LibraryId");
+
+                    b.ToTable("Mangas");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Chapter>", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("IdOnConnectorSite")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("MangaConnectorName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.Property<string>("ObjId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<bool>("UseForDownload")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("WebsiteUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ObjId");
+
+                    b.ToTable("MangaConnectorToChapter");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Manga>", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("IdOnConnectorSite")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("MangaConnectorName")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("character varying(32)");
+
+                    b.Property<string>("ObjId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<bool>("UseForDownload")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("WebsiteUrl")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.HasKey("Key");
+
+                    b.HasIndex("ObjId");
+
+                    b.ToTable("MangaConnectorToManga");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaTag", b =>
+                {
+                    b.Property<string>("Tag")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("Tag");
+
+                    b.ToTable("Tags");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataEntry", b =>
+                {
+                    b.Property<string>("MetadataFetcherName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Identifier")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("MetadataFetcherName", "Identifier");
+
+                    b.HasIndex("MangaId");
+
+                    b.ToTable("MetadataEntries");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MetadataEntry")
+                        .IsRequired()
+                        .HasMaxLength(21)
+                        .HasColumnType("character varying(21)");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("MetadataFetcher");
+
+                    b.HasDiscriminator<string>("MetadataEntry").HasValue("MetadataFetcher");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("AuthorToManga", b =>
+                {
+                    b.Property<string>("AuthorIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("AuthorIds", "MangaIds");
+
+                    b.HasIndex("MangaIds");
+
+                    b.ToTable("AuthorToManga");
+                });
+
+            modelBuilder.Entity("MangaTagToManga", b =>
+                {
+                    b.Property<string>("MangaTagIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaIds")
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("MangaTagIds", "MangaIds");
+
+                    b.HasIndex("MangaIds");
+
+                    b.ToTable("MangaTagToManga");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.ComickIo", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("ComickIo");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.Global", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("Global");
+                });
+
+            modelBuilder.Entity("API.MangaConnectors.MangaDex", b =>
+                {
+                    b.HasBaseType("API.MangaConnectors.MangaConnector");
+
+                    b.HasDiscriminator().HasValue("MangaDex");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MyAnimeList", b =>
+                {
+                    b.HasBaseType("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher");
+
+                    b.HasDiscriminator().HasValue("MyAnimeList");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "ParentManga")
+                        .WithMany("Chapters")
+                        .HasForeignKey("ParentMangaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("ParentManga");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.FileLibrary", "Library")
+                        .WithMany()
+                        .HasForeignKey("LibraryId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.OwnsMany("API.Schema.MangaContext.AltTitle", "AltTitles", b1 =>
+                        {
+                            b1.Property<string>("Key")
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("Language")
+                                .IsRequired()
+                                .HasMaxLength(8)
+                                .HasColumnType("character varying(8)");
+
+                            b1.Property<string>("MangaKey")
+                                .IsRequired()
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("Title")
+                                .IsRequired()
+                                .HasMaxLength(256)
+                                .HasColumnType("character varying(256)");
+
+                            b1.HasKey("Key");
+
+                            b1.HasIndex("MangaKey");
+
+                            b1.ToTable("AltTitle");
+
+                            b1.WithOwner()
+                                .HasForeignKey("MangaKey");
+                        });
+
+                    b.OwnsMany("API.Schema.MangaContext.Link", "Links", b1 =>
+                        {
+                            b1.Property<string>("Key")
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("LinkProvider")
+                                .IsRequired()
+                                .HasMaxLength(64)
+                                .HasColumnType("character varying(64)");
+
+                            b1.Property<string>("LinkUrl")
+                                .IsRequired()
+                                .HasMaxLength(2048)
+                                .HasColumnType("character varying(2048)");
+
+                            b1.Property<string>("MangaKey")
+                                .IsRequired()
+                                .HasColumnType("character varying(64)");
+
+                            b1.HasKey("Key");
+
+                            b1.HasIndex("MangaKey");
+
+                            b1.ToTable("Link");
+
+                            b1.WithOwner()
+                                .HasForeignKey("MangaKey");
+                        });
+
+                    b.Navigation("AltTitles");
+
+                    b.Navigation("Library");
+
+                    b.Navigation("Links");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Chapter>", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Chapter", "Obj")
+                        .WithMany("MangaConnectorIds")
+                        .HasForeignKey("ObjId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Obj");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MangaConnectorId<API.Schema.MangaContext.Manga>", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "Obj")
+                        .WithMany("MangaConnectorIds")
+                        .HasForeignKey("ObjId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Obj");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.MetadataFetchers.MetadataEntry", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", "Manga")
+                        .WithMany()
+                        .HasForeignKey("MangaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.MetadataFetchers.MetadataFetcher", "MetadataFetcher")
+                        .WithMany()
+                        .HasForeignKey("MetadataFetcherName")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Manga");
+
+                    b.Navigation("MetadataFetcher");
+                });
+
+            modelBuilder.Entity("AuthorToManga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Author", null)
+                        .WithMany()
+                        .HasForeignKey("AuthorIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.Manga", null)
+                        .WithMany()
+                        .HasForeignKey("MangaIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("MangaTagToManga", b =>
+                {
+                    b.HasOne("API.Schema.MangaContext.Manga", null)
+                        .WithMany()
+                        .HasForeignKey("MangaIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("API.Schema.MangaContext.MangaTag", null)
+                        .WithMany()
+                        .HasForeignKey("MangaTagIds")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Chapter", b =>
+                {
+                    b.Navigation("MangaConnectorIds");
+                });
+
+            modelBuilder.Entity("API.Schema.MangaContext.Manga", b =>
+                {
+                    b.Navigation("Chapters");
+
+                    b.Navigation("MangaConnectorIds");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Notifications/20250703191820_Initial.Designer.cs

@@ -0,0 +1,91 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using API.Schema.NotificationsContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Notifications
+{
+    [DbContext(typeof(NotificationsContext))]
+    [Migration("20250703191820_Initial")]
+    partial class Initial
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "hstore");
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.NotificationsContext.Notification", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsSent")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<byte>("Urgency")
+                        .HasColumnType("smallint");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Notifications");
+                });
+
+            modelBuilder.Entity("API.Schema.NotificationsContext.NotificationConnectors.NotificationConnector", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasMaxLength(4096)
+                        .HasColumnType("character varying(4096)");
+
+                    b.Property<Dictionary<string, string>>("Headers")
+                        .IsRequired()
+                        .HasColumnType("hstore");
+
+                    b.Property<string>("HttpMethod")
+                        .IsRequired()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("NotificationConnectors");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Notifications/20250703191820_Initial.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Notifications
+{
+    /// <inheritdoc />
+    public partial class Initial : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterDatabase()
+                .Annotation("Npgsql:PostgresExtension:hstore", ",,");
+
+            migrationBuilder.CreateTable(
+                name: "NotificationConnectors",
+                columns: table => new
+                {
+                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    Url = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: false),
+                    Headers = table.Column<Dictionary<string, string>>(type: "hstore", nullable: false),
+                    HttpMethod = table.Column<string>(type: "character varying(8)", maxLength: 8, nullable: false),
+                    Body = table.Column<string>(type: "character varying(4096)", maxLength: 4096, nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_NotificationConnectors", x => x.Name);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Notifications",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "text", nullable: false),
+                    Urgency = table.Column<byte>(type: "smallint", nullable: false),
+                    Title = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false),
+                    Message = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: false),
+                    Date = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    IsSent = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Notifications", x => x.Key);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "NotificationConnectors");
+
+            migrationBuilder.DropTable(
+                name: "Notifications");
+        }
+    }
+}

API/Migrations/Notifications/20250901194327_KeyLengthChange.Designer.cs

@@ -0,0 +1,92 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using API.Schema.NotificationsContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Notifications
+{
+    [DbContext(typeof(NotificationsContext))]
+    [Migration("20250901194327_KeyLengthChange")]
+    partial class KeyLengthChange
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "hstore");
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.NotificationsContext.Notification", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsSent")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<byte>("Urgency")
+                        .HasColumnType("smallint");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Notifications");
+                });
+
+            modelBuilder.Entity("API.Schema.NotificationsContext.NotificationConnectors.NotificationConnector", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasMaxLength(4096)
+                        .HasColumnType("character varying(4096)");
+
+                    b.Property<Dictionary<string, string>>("Headers")
+                        .IsRequired()
+                        .HasColumnType("hstore");
+
+                    b.Property<string>("HttpMethod")
+                        .IsRequired()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("NotificationConnectors");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Notifications/20250901194327_KeyLengthChange.cs

@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Notifications
+{
+    /// <inheritdoc />
+    public partial class KeyLengthChange : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Notifications",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Key",
+                table: "Notifications",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "character varying(64)",
+                oldMaxLength: 64);
+        }
+    }
+}

API/Migrations/Notifications/NotificationsContextModelSnapshot.cs

@@ -0,0 +1,89 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using API.Schema.NotificationsContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Notifications
+{
+    [DbContext(typeof(NotificationsContext))]
+    partial class NotificationsContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "hstore");
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.NotificationsContext.Notification", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<bool>("IsSent")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<byte>("Urgency")
+                        .HasColumnType("smallint");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Notifications");
+                });
+
+            modelBuilder.Entity("API.Schema.NotificationsContext.NotificationConnectors.NotificationConnector", b =>
+                {
+                    b.Property<string>("Name")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Body")
+                        .IsRequired()
+                        .HasMaxLength(4096)
+                        .HasColumnType("character varying(4096)");
+
+                    b.Property<Dictionary<string, string>>("Headers")
+                        .IsRequired()
+                        .HasColumnType("hstore");
+
+                    b.Property<string>("HttpMethod")
+                        .IsRequired()
+                        .HasMaxLength(8)
+                        .HasColumnType("character varying(8)");
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.HasKey("Name");
+
+                    b.ToTable("NotificationConnectors");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/NamedSwaggerGenOptions.cs

@@ -0,0 +1,46 @@
+using Asp.Versioning.ApiExplorer;
+using Microsoft.Extensions.Options;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace API;
+
+public class NamedSwaggerGenOptions : IConfigureNamedOptions<SwaggerGenOptions>
+{
+    private readonly IApiVersionDescriptionProvider provider;
+    public NamedSwaggerGenOptions(IApiVersionDescriptionProvider provider)
+    {
+        this.provider = provider;
+    }
+
+    public void Configure(string? name, SwaggerGenOptions options)
+    {
+        Configure(options);
+    }
+        
+    public void Configure(SwaggerGenOptions options)
+    {
+        // add swagger document for every API version discovered
+        foreach (var description in provider.ApiVersionDescriptions)
+        {
+            options.SwaggerDoc(
+                description.GroupName,
+                CreateVersionInfo(description));
+        }
+    }
+        
+    private OpenApiInfo CreateVersionInfo(
+        ApiVersionDescription description)
+    {
+        var info = new OpenApiInfo()
+        {
+            Title = "Tranga " + description.GroupName,
+            Version = description.ApiVersion.ToString()
+        };
+        if (description.IsDeprecated)
+        {
+            info.Description += " This API version has been deprecated.";
+        }
+        return info;
+    }
+}

API/Program.cs

@@ -0,0 +1,143 @@
+using System.Reflection;
+using API;
+using API.Schema.LibraryContext;
+using API.Schema.MangaContext;
+using API.Schema.NotificationsContext;
+using Asp.Versioning;
+using Asp.Versioning.Builder;
+using Asp.Versioning.Conventions;
+using log4net;
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowAll",
+        policy =>
+        {
+            policy
+                .AllowAnyOrigin()
+                .AllowAnyMethod()
+                .AllowAnyHeader();
+        });
+});
+
+builder.Services.AddApiVersioning(option =>
+    {
+        option.AssumeDefaultVersionWhenUnspecified = true;
+        option.DefaultApiVersion = new ApiVersion(2);
+        option.ReportApiVersions = true;
+        option.ApiVersionReader = ApiVersionReader.Combine(
+            new UrlSegmentApiVersionReader(),
+            new QueryStringApiVersionReader("api-version"),
+            new HeaderApiVersionReader("X-Version"),
+            new MediaTypeApiVersionReader("x-version"));
+    })
+    .AddMvc(options =>
+    {
+        options.Conventions.Add(new VersionByNamespaceConvention());
+    })
+    .AddApiExplorer(options =>
+    {
+        options.GroupNameFormat = "'v'V";
+        options.SubstituteApiVersionInUrl = true;
+    });
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGenNewtonsoftSupport();
+builder.Services.AddSwaggerGen(opt =>
+{
+    var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
+    opt.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
+});
+builder.Services.ConfigureOptions<NamedSwaggerGenOptions>();
+
+string connectionString = $"Host={Environment.GetEnvironmentVariable("POSTGRES_HOST") ?? "localhost:5432"}; " +
+                          $"Database={Environment.GetEnvironmentVariable("POSTGRES_DB") ?? "postgres"}; " +
+                          $"Username={Environment.GetEnvironmentVariable("POSTGRES_USER") ?? "postgres"}; " +
+                          $"Password={Environment.GetEnvironmentVariable("POSTGRES_PASSWORD") ?? "postgres"}";
+
+builder.Services.AddDbContext<MangaContext>(options =>
+    options.UseNpgsql(connectionString));
+builder.Services.AddDbContext<NotificationsContext>(options =>
+    options.UseNpgsql(connectionString));
+builder.Services.AddDbContext<LibraryContext>(options =>
+    options.UseNpgsql(connectionString));
+
+builder.Services.AddControllers(options =>
+{
+    options.AllowEmptyInputInBodyModelBinding = true;
+});
+builder.Services.AddControllers().AddNewtonsoftJson(opts =>
+{
+    opts.SerializerSettings.Converters.Add(new StringEnumConverter());
+    opts.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
+});
+builder.Services.AddScoped<ILog>(_ => LogManager.GetLogger("API"));
+
+builder.WebHost.UseUrls("http://*:6531");
+
+var app = builder.Build();
+
+ApiVersionSet apiVersionSet = app.NewApiVersionSet()
+    .HasApiVersion(new ApiVersion(2))
+    .ReportApiVersions()
+    .Build();
+
+
+app.UseCors("AllowAll");
+
+app.MapControllers()
+    .WithApiVersionSet(apiVersionSet)
+    .MapToApiVersion(2);
+
+app.UseSwagger();
+app.UseSwaggerUI(options =>
+{
+    options.SwaggerEndpoint($"/swagger/v2/swagger.json", "v2"); 
+});
+
+app.UseHttpsRedirection();
+
+app.UseMiddleware<RequestTimeMiddleware>();
+
+using (IServiceScope scope = app.Services.CreateScope())
+{
+    MangaContext context = scope.ServiceProvider.GetRequiredService<MangaContext>();
+    context.Database.Migrate();
+    
+    if (!context.FileLibraries.Any())
+        context.FileLibraries.Add(new FileLibrary(Tranga.Settings.DownloadLocation, "Default FileLibrary"));
+    
+    await context.Sync(CancellationToken.None);
+}
+
+using (IServiceScope scope = app.Services.CreateScope())
+{
+    NotificationsContext context = scope.ServiceProvider.GetRequiredService<NotificationsContext>();
+    context.Database.Migrate();
+
+    context.Notifications.RemoveRange(context.Notifications);
+    string[] emojis = { "(•‿•)", "(づ \u25d5‿\u25d5 )づ", "( \u02d8\u25bd\u02d8)っ\u2668", "=\uff3e\u25cf \u22cf \u25cf\uff3e=", "（ΦωΦ）", "(\u272a\u3268\u272a)", "( ﾉ･o･ )ﾉ", "（〜^\u2207^ )〜", "~(\u2267ω\u2266)~","૮ \u00b4• ﻌ \u00b4• ა", "(\u02c3ᆺ\u02c2)", "(=\ud83d\udf66 \u0f1d \ud83d\udf66=)"};
+    context.Notifications.Add(new Notification("Tranga Started", emojis[Random.Shared.Next(0, emojis.Length - 1)], NotificationUrgency.High));
+    
+    await context.Sync(CancellationToken.None);
+}
+
+using (IServiceScope scope = app.Services.CreateScope())
+{
+    LibraryContext context = scope.ServiceProvider.GetRequiredService<LibraryContext>();
+    context.Database.Migrate();
+    
+    await context.Sync(CancellationToken.None);
+}
+
+Tranga.SetServiceProvider(app.Services);
+Tranga.StartLogger(new FileInfo("Log4Net.config.xml"));
+Tranga.AddDefaultWorkers();
+
+app.UseCors("AllowAll");
+
+app.Run();

API/Properties/launchSettings.json

@@ -0,0 +1,47 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:5976",
+      "sslPort": 44332,
+      "environmentVariables": {
+        "POSTGRES_Host": "localhost:5432"
+      }
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5287",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "POSTGRES_Host": "localhost:5432"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7206;http://localhost:5287",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "POSTGRES_Host": "localhost:5432"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development",
+        "POSTGRES_Host": "localhost:5432"
+      }
+    }
+  }
+}

API/Schema/Identifiable.cs

@@ -0,0 +1,24 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema;
+
+[PrimaryKey("Key")]
+public abstract class Identifiable
+{
+    protected Identifiable()
+    {
+        this.Key = TokenGen.CreateToken(this.GetType());
+    }
+
+    protected Identifiable(string key)
+    {
+        this.Key = key;
+    }
+    
+    [Required]
+    [StringLength(TokenGen.MaximumLength, MinimumLength = TokenGen.MinimumLength)]
+    public string Key { get; init; }
+
+    public override string ToString() => Key;
+}

API/Schema/LibraryContext/LibraryConnectors/Kavita.cs

@@ -1,29 +1,22 @@
-using System.Text.Json.Nodes;
-using Logging;
-using Newtonsoft.Json;
-using JsonSerializer = System.Text.Json.JsonSerializer;
+using System.Text.Json;
+using System.Text.Json.Nodes;
 
-namespace Tranga.LibraryConnectors;
+namespace API.Schema.LibraryContext.LibraryConnectors;
 
 public class Kavita : LibraryConnector
 {
 
-    public Kavita(GlobalBase clone, string baseUrl, string username, string password) : 
-        base(clone, baseUrl, GetToken(baseUrl, username, password, clone.logger), LibraryType.Kavita)
+    public Kavita(string baseUrl, string auth) : base(LibraryType.Kavita, baseUrl, auth)
     {
     }
     
-    [JsonConstructor]
-    public Kavita(GlobalBase clone, string baseUrl, string auth) : base(clone, baseUrl, auth, LibraryType.Kavita)
+    public Kavita(string baseUrl, string username, string password) : 
+        this(baseUrl, GetToken(baseUrl, username, password))
     {
     }
-
-    public override string ToString()
-    {
-        return $"Kavita {baseUrl}";
-    }
-
-    private static string GetToken(string baseUrl, string username, string password, Logger? logger = null)
+    
+    
+    private static string GetToken(string baseUrl, string username, string password)
     {
         HttpClient client = new()
         {
@@ -41,7 +34,6 @@ public class Kavita : LibraryConnector
         try
         {
             HttpResponseMessage response = client.Send(requestMessage);
-            logger?.WriteLine($"Kavita | GetToken {requestMessage.RequestUri} -> {response.StatusCode}");
             if (response.IsSuccessStatusCode)
             {
                 JsonObject? result = JsonSerializer.Deserialize<JsonObject>(response.Content.ReadAsStream());
@@ -50,28 +42,25 @@ public class Kavita : LibraryConnector
             }
             else
             {
-                logger?.WriteLine($"Kavita | {response.Content}");
             }
         }
-        catch (HttpRequestException e)
+        catch (HttpRequestException)
         {
-            logger?.WriteLine($"Kavita | Unable to retrieve token:\n\r{e}");
+            
         }
-        logger?.WriteLine("Kavita | Did not receive token.");
         return "";
     }
 
     protected override void UpdateLibraryInternal()
     {
-        Log("Updating libraries.");
         foreach (KavitaLibrary lib in GetLibraries())
-            NetClient.MakePost($"{baseUrl}/api/Library/scan?libraryId={lib.id}", "Bearer", auth, logger);
+            NetClient.MakePost($"{BaseUrl}/api/ToFileLibrary/scan?libraryId={lib.id}", "Bearer", Auth);
     }
 
     internal override bool Test()
     {
         foreach (KavitaLibrary lib in GetLibraries())
-            if (NetClient.MakePost($"{baseUrl}/api/Library/scan?libraryId={lib.id}", "Bearer", auth, logger))
+            if (NetClient.MakePost($"{BaseUrl}/api/ToFileLibrary/scan?libraryId={lib.id}", "Bearer", Auth))
                 return true;
         return false;
     }
@@ -82,18 +71,17 @@ public class Kavita : LibraryConnector
     /// <returns>Array of KavitaLibrary</returns>
     private IEnumerable<KavitaLibrary> GetLibraries()
     {
-        Log("Getting libraries.");
-        Stream data = NetClient.MakeRequest($"{baseUrl}/api/Library/libraries", "Bearer", auth, logger);
+        Stream data = NetClient.MakeRequest($"{BaseUrl}/api/ToFileLibrary/libraries", "Bearer", Auth);
         if (data == Stream.Null)
         {
-            Log("No libraries returned");
-            return Array.Empty<KavitaLibrary>();
+            Log.Info("No libraries found");
+            return [];
         }
         JsonArray? result = JsonSerializer.Deserialize<JsonArray>(data);
         if (result is null)
         {
-            Log("No libraries returned");
-            return Array.Empty<KavitaLibrary>();
+            Log.Info("No libraries found");
+            return [];
         }
 
         List<KavitaLibrary> ret = new();
@@ -103,7 +91,7 @@ public class Kavita : LibraryConnector
             JsonObject? jObject = (JsonObject?)jsonNode;
             if(jObject is null)
                 continue;
-            int libraryId = jObject!["id"]!.GetValue<int>();
+            int libraryId = jObject["id"]!.GetValue<int>();
             string libraryName = jObject["name"]!.GetValue<string>();
             ret.Add(new KavitaLibrary(libraryId, libraryName));
         }

API/Schema/LibraryContext/LibraryConnectors/Komga.cs

@@ -1,41 +1,29 @@
-using System.Text.Json.Nodes;
-using Newtonsoft.Json;
-using JsonSerializer = System.Text.Json.JsonSerializer;
+using System.Text.Json;
+using System.Text.Json.Nodes;
 
-namespace Tranga.LibraryConnectors;
+namespace API.Schema.LibraryContext.LibraryConnectors;
 
-/// <summary>
-/// Provides connectivity to Komga-API
-/// Can fetch and update libraries
-/// </summary>
 public class Komga : LibraryConnector
 {
-    public Komga(GlobalBase clone, string baseUrl, string username, string password)
-        : base(clone, baseUrl, Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes($"{username}:{password}")), LibraryType.Komga)
+    public Komga(string baseUrl, string auth) : base(LibraryType.Komga, baseUrl, auth)
     {
     }
-
-    [JsonConstructor]
-    public Komga(GlobalBase clone, string baseUrl, string auth) : base(clone, baseUrl, auth, LibraryType.Komga)
+    
+    public Komga(string baseUrl, string username, string password)
+        : this(baseUrl, Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes($"{username}:{password}")))
     {
     }
-
-    public override string ToString()
-    {
-        return $"Komga {baseUrl}";
-    }
-
+    
     protected override void UpdateLibraryInternal()
     {
-        Log("Updating libraries.");
         foreach (KomgaLibrary lib in GetLibraries())
-            NetClient.MakePost($"{baseUrl}/api/v1/libraries/{lib.id}/scan", "Basic", auth, logger);
+            NetClient.MakePost($"{BaseUrl}/api/v1/libraries/{lib.id}/scan", "Basic", Auth);
     }
 
     internal override bool Test()
     {
         foreach (KomgaLibrary lib in GetLibraries())
-            if (NetClient.MakePost($"{baseUrl}/api/v1/libraries/{lib.id}/scan", "Basic", auth, logger))
+            if (NetClient.MakePost($"{BaseUrl}/api/v1/libraries/{lib.id}/scan", "Basic", Auth))
                 return true;
         return false;
     }
@@ -46,18 +34,17 @@ public class Komga : LibraryConnector
     /// <returns>Array of KomgaLibraries</returns>
     private IEnumerable<KomgaLibrary> GetLibraries()
     {
-        Log("Getting Libraries");
-        Stream data = NetClient.MakeRequest($"{baseUrl}/api/v1/libraries", "Basic", auth, logger);
+        Stream data = NetClient.MakeRequest($"{BaseUrl}/api/v1/libraries", "Basic", Auth);
         if (data == Stream.Null)
         {
-            Log("No libraries returned");
-            return Array.Empty<KomgaLibrary>();
+            Log.Info("No libraries found");
+            return [];
         }
         JsonArray? result = JsonSerializer.Deserialize<JsonArray>(data);
         if (result is null)
         {
-            Log("No libraries returned");
-            return Array.Empty<KomgaLibrary>();
+            Log.Info("No libraries found");
+            return [];
         }
 
         HashSet<KomgaLibrary> ret = new();

API/Schema/LibraryContext/LibraryConnectors/LibraryConnector.cs

@@ -0,0 +1,48 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using log4net;
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+
+namespace API.Schema.LibraryContext.LibraryConnectors;
+
+[PrimaryKey("Key")]
+public abstract class LibraryConnector : Identifiable
+{
+    public LibraryType LibraryType { get; init; }
+    [StringLength(256)] [Url] public string BaseUrl { get; init; }
+    [StringLength(256)] public string Auth { get; init; }
+    [NotMapped] protected ILog Log { get; init; }
+
+    protected LibraryConnector(LibraryType libraryType, string baseUrl, string auth)
+        : base()
+    {
+        this.LibraryType = libraryType;
+        this.BaseUrl = baseUrl;
+        this.Auth = auth;
+        this.Log = LogManager.GetLogger(GetType());
+    }
+
+    /// <summary>
+    /// EF CORE ONLY!!!!
+    /// </summary>
+    internal LibraryConnector(string key, LibraryType libraryType, string baseUrl, string auth)
+        : base(key)
+    {
+        this.LibraryType = libraryType;
+        this.BaseUrl = baseUrl;
+        this.Auth = auth;
+        this.Log = LogManager.GetLogger(GetType());
+    }
+
+    public override string ToString() => $"{base.ToString()} {this.LibraryType} {this.BaseUrl}";
+    
+    protected abstract void UpdateLibraryInternal();
+    internal abstract bool Test();
+}
+
+public enum LibraryType : byte
+{
+    Komga = 0,
+    Kavita = 1
+}

API/Schema/LibraryContext/LibraryConnectors/NetClient.cs

@@ -0,0 +1,73 @@
+using System.Net;
+using System.Net.Http.Headers;
+using log4net;
+
+namespace API.Schema.LibraryContext.LibraryConnectors;
+
+public class NetClient
+{
+    private static ILog Log = LogManager.GetLogger(typeof(NetClient));
+
+    public static Stream MakeRequest(string url, string authScheme, string auth)
+    {
+        Log.Debug($"Requesting {url}");
+        HttpClient client = new();
+        client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(authScheme, auth);
+
+        HttpRequestMessage requestMessage = new()
+        {
+            Method = HttpMethod.Get,
+            RequestUri = new Uri(url)
+        };
+        try
+        {
+            HttpResponseMessage response = client.Send(requestMessage);
+
+            if (response.StatusCode is HttpStatusCode.Unauthorized &&
+                response.RequestMessage!.RequestUri!.AbsoluteUri != url)
+                return MakeRequest(response.RequestMessage!.RequestUri!.AbsoluteUri, authScheme, auth);
+            else if (response.IsSuccessStatusCode)
+                return response.Content.ReadAsStream();
+            else
+                return Stream.Null;
+        }
+        catch (Exception e)
+        {
+            switch (e)
+            {
+                case HttpRequestException:
+                    Log.Debug(e);
+                    break;
+                default:
+                    throw;
+            }
+            Log.Info("Failed to make request");
+            return Stream.Null;
+        }
+    }
+
+    public static bool MakePost(string url, string authScheme, string auth)
+        {
+            HttpClient client = new()
+            {
+                DefaultRequestHeaders =
+                {
+                    { "Accept", "application/json" },
+                    { "Authorization", new AuthenticationHeaderValue(authScheme, auth).ToString() }
+                }
+            };
+            HttpRequestMessage requestMessage = new ()
+            {
+                Method = HttpMethod.Post,
+                RequestUri = new Uri(url)
+            };
+            HttpResponseMessage response = client.Send(requestMessage);
+            
+            if(response.StatusCode is HttpStatusCode.Unauthorized && response.RequestMessage!.RequestUri!.AbsoluteUri != url)
+                return MakePost(response.RequestMessage!.RequestUri!.AbsoluteUri, authScheme, auth);
+            else if (response.IsSuccessStatusCode)
+                return true;
+            else 
+                return false;
+        }
+}

API/Schema/LibraryContext/LibraryContext.cs

@@ -0,0 +1,18 @@
+using API.Schema.LibraryContext.LibraryConnectors;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.LibraryContext;
+
+public class LibraryContext(DbContextOptions<LibraryContext> options) : TrangaBaseContext<LibraryContext>(options)
+{
+    public DbSet<LibraryConnector> LibraryConnectors { get; set; }
+    
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        //LibraryConnector Types
+        modelBuilder.Entity<LibraryConnector>()
+            .HasDiscriminator(l => l.LibraryType)
+            .HasValue<Komga>(LibraryType.Komga)
+            .HasValue<Kavita>(LibraryType.Kavita);
+    }
+}

API/Schema/MangaContext/AltTitle.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class AltTitle(string language, string title) : Identifiable(TokenGen.CreateToken("AltTitle"))
+{
+    [StringLength(8)]
+    [Required]
+    public string Language { get; init; } = language;
+    [StringLength(256)]
+    [Required]
+    public string Title { get; init; } = title;
+
+    public override string ToString() => $"{base.ToString()} {Language} {Title}";
+}

API/Schema/MangaContext/Author.cs

@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class Author(string authorName) : Identifiable(TokenGen.CreateToken(typeof(Author), authorName))
+{
+    [StringLength(128)]
+    public string AuthorName { get; init; } = authorName;
+
+    public override string ToString() => $"{base.ToString()} {AuthorName}";
+}

API/Schema/MangaContext/Chapter.cs

@@ -0,0 +1,217 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Xml.Linq;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class Chapter : Identifiable, IComparable<Chapter>
+{
+    [StringLength(64)] public string ParentMangaId { get; init; } = null!;
+    public Manga ParentManga = null!;
+
+    [NotMapped] public Dictionary<string, string> IdsOnMangaConnectors =>
+        MangaConnectorIds.ToDictionary(id => id.MangaConnectorName, id => id.IdOnConnectorSite);
+    public ICollection<MangaConnectorId<Chapter>> MangaConnectorIds = null!;
+
+    public int? VolumeNumber { get; private set; }
+    [StringLength(10)] public string ChapterNumber { get; private set; }
+
+    [StringLength(256)] public string? Title { get; private set; }
+
+    [StringLength(256)] public string FileName { get; private set; }
+
+    public bool Downloaded { get; internal set; }
+    [NotMapped] public string FullArchiveFilePath => Path.Join(ParentManga.FullDirectoryPath, FileName);
+
+    public Chapter(Manga parentManga, string chapterNumber,
+        int? volumeNumber, string? title = null)
+        : base(TokenGen.CreateToken(typeof(Chapter), parentManga.Key, chapterNumber))
+    {
+        this.ParentManga = parentManga;
+        this.MangaConnectorIds = [];
+        this.VolumeNumber = volumeNumber;
+        this.ChapterNumber = chapterNumber;
+        this.Title = title;
+        this.FileName = GetArchiveFilePath();
+        this.Downloaded = false;
+        this.MangaConnectorIds = [];
+    }
+
+    /// <summary>
+    /// EF ONLY!!!
+    /// </summary>
+    internal Chapter(string key, int? volumeNumber, string chapterNumber, string? title, string fileName, bool downloaded)
+        : base(key)
+    {
+        this.VolumeNumber = volumeNumber;
+        this.ChapterNumber = chapterNumber;
+        this.Title = title;
+        this.FileName = fileName;
+        this.Downloaded = downloaded;
+    }
+
+    public int CompareTo(Chapter? other)
+    {
+        if (other is not { } otherChapter)
+            throw new ArgumentException($"{other} can not be compared to {this}");
+        return VolumeNumber?.CompareTo(otherChapter.VolumeNumber) switch
+        {
+            < 0 => -1,
+            > 0 => 1,
+            _ => CompareChapterNumbers(ChapterNumber, otherChapter.ChapterNumber)
+        };
+    }
+
+    
+    /// <summary>
+    /// Checks the filesystem if an archive at the ArchiveFilePath exists
+    /// </summary>
+    /// <param name="context"></param>
+    /// <param name="token"></param>
+    /// <returns>True if archive exists on disk</returns>
+    /// <exception cref="KeyNotFoundException">Unable to load Chapter, Parent or Library</exception>
+    public async Task<bool> CheckDownloaded(MangaContext context, CancellationToken? token = null)
+    {
+        if(await context.Chapters
+               .Include(c => c.ParentManga)
+               .ThenInclude(p => p.Library)
+               .FirstOrDefaultAsync(c => c.Key == this.Key, token??CancellationToken.None) is not { } chapter)
+            throw new KeyNotFoundException("Unable to find chapter");
+        
+        //TODO Log here
+        this.Downloaded = File.Exists(chapter.FullArchiveFilePath);
+        await context.Sync(token??CancellationToken.None);
+        return this.Downloaded;
+    } 
+
+    /// Placeholders:
+    /// %M Obj Name
+    /// %V Volume
+    /// %C Chapter
+    /// %T Title
+    /// %A Author (first in list)
+    /// %I Chapter Internal ID
+    /// %i Obj Internal ID
+    /// %Y Year (Obj)
+    private static readonly Regex NullableRex = new(@"\?([a-zA-Z])\(([^\)]*)\)|(.+?)");
+    private static readonly Regex ReplaceRexx = new(@"%([a-zA-Z])|(.+?)");
+    private string GetArchiveFilePath()
+    {
+        string archiveNamingScheme = Tranga.Settings.ChapterNamingScheme;
+        StringBuilder stringBuilder = new();
+        foreach (Match nullable in  NullableRex.Matches(archiveNamingScheme))
+        {
+            if (nullable.Groups[3].Success)
+            {
+                stringBuilder.Append(nullable.Groups[3].Value);
+                continue;
+            }
+
+            char placeholder = nullable.Groups[1].Value[0];
+            bool isNull = placeholder switch
+            {
+                'M' => ParentManga?.Name is null,
+                'V' => VolumeNumber is null,
+                'C' => ChapterNumber is null,
+                'T' => Title is null,
+                'A' => ParentManga?.Authors?.FirstOrDefault()?.AuthorName is null,
+                'Y' => ParentManga?.Year is null,
+                _ => true
+            };
+            if(!isNull)
+                stringBuilder.Append(nullable.Groups[2].Value);
+        }
+        
+        string checkedString = stringBuilder.ToString();
+        stringBuilder = new();
+        
+        foreach (Match replace in ReplaceRexx.Matches(checkedString))
+        {
+            if (replace.Groups[2].Success)
+            {
+                stringBuilder.Append(replace.Groups[2].Value);
+                continue;
+            }
+            
+            char placeholder = replace.Groups[1].Value[0];
+            string? value = placeholder switch
+            {
+                'M' => ParentManga?.Name,
+                'V' => VolumeNumber?.ToString(),
+                'C' => ChapterNumber,
+                'T' => Title,
+                'A' => ParentManga?.Authors?.FirstOrDefault()?.AuthorName,
+                'Y' => ParentManga?.Year.ToString(),
+                _ => null
+            };
+            stringBuilder.Append(value);
+        }
+
+        stringBuilder.Append(".cbz");
+
+        return stringBuilder.ToString();
+    }
+
+    public class ChapterComparer : IComparer<Chapter>
+    {
+        public int Compare(Chapter? x, Chapter? y)
+        {
+            if (x is null && y is null)
+                return 0;
+            if(x is null)
+                return -1;
+            if (y is null)
+                return 1;
+            return CompareChapterNumbers(x.ChapterNumber, y.ChapterNumber);
+        }
+    }
+
+    private static int CompareChapterNumbers(string ch1, string ch2)
+    {
+        int[] ch1Arr = ch1.Split('.').Select(c => int.TryParse(c, out int result) ? result : -1).ToArray();
+        int[] ch2Arr = ch2.Split('.').Select(c => int.TryParse(c, out int result) ? result : -1).ToArray();
+        
+        if (ch1Arr.Contains(-1) || ch2Arr.Contains(-1))
+            throw new ArgumentException("Chapter number is not in correct format");
+        
+        int i = 0, j = 0;
+
+        while (i < ch1Arr.Length && j < ch2Arr.Length)
+        {
+            if (ch1Arr[i] < ch2Arr[j])
+                return -1;
+            if (ch1Arr[i] > ch2Arr[j])
+                return 1;
+            i++;
+            j++;
+        }
+
+        return 0;
+    }
+
+    internal string GetComicInfoXmlString()
+    {
+        XElement comicInfo = new("ComicInfo",
+            new XElement("Number", ChapterNumber)
+        );
+        if(Title is not null)
+            comicInfo.Add(new XElement("Title", Title));
+        if(ParentManga.MangaTags.Count > 0)
+            comicInfo.Add(new XElement("Tags", string.Join(',', ParentManga.MangaTags.Select(tag => tag.Tag))));
+        if(VolumeNumber is not null)
+            comicInfo.Add(new XElement("Volume", VolumeNumber));
+        if(ParentManga.Authors.Count > 0)
+            comicInfo.Add(new XElement("Writer", string.Join(',', ParentManga.Authors.Select(author => author.AuthorName))));
+        if(ParentManga.OriginalLanguage is not null)
+            comicInfo.Add(new XElement("LanguageISO", ParentManga.OriginalLanguage));
+        if(ParentManga.Description != string.Empty)
+            comicInfo.Add(new XElement("Summary", ParentManga.Description));
+        return comicInfo.ToString();
+    }
+
+    public override string ToString() => $"{base.ToString()} Vol.{VolumeNumber} Ch.{ChapterNumber} - {Title}";
+}

API/Schema/MangaContext/FileLibrary.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class FileLibrary(string basePath, string libraryName)
+    : Identifiable(TokenGen.CreateToken(typeof(FileLibrary), basePath))
+{
+    [StringLength(256)] public string BasePath { get; internal set; } = basePath;
+
+    [StringLength(512)] public string LibraryName { get; internal set; } = libraryName;
+
+    public override string ToString() => $"{base.ToString()} {LibraryName} - {BasePath}";
+}

API/Schema/MangaContext/Link.cs

@@ -0,0 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class Link(string linkProvider, string linkUrl) : Identifiable(TokenGen.CreateToken(typeof(Link), linkProvider, linkUrl))
+{
+    [StringLength(64)]
+    public string LinkProvider { get; init; } = linkProvider;
+    [StringLength(2048)]
+    [Url]
+    public string LinkUrl { get; init; } = linkUrl;
+
+    public override string ToString() => $"{base.ToString()} {LinkProvider} {LinkUrl}";
+}

API/Schema/MangaContext/Manga.cs

@@ -0,0 +1,184 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Runtime.InteropServices;
+using System.Text;
+using API.Workers;
+using Microsoft.EntityFrameworkCore;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.Processing;
+using SixLabors.ImageSharp.Processing.Processors.Transforms;
+using static System.IO.UnixFileMode;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class Manga : Identifiable
+{
+    [StringLength(512)] public string Name { get; internal set; }
+    [Required] public string Description { get; internal set; }
+    [Url] [StringLength(512)] public string CoverUrl { get; internal set; }
+    public MangaReleaseStatus ReleaseStatus { get; internal set; }
+    [StringLength(64)] public string? LibraryId { get; private set; }
+    public FileLibrary? Library = null!;
+
+    public ICollection<Author> Authors { get; internal set; } = null!;
+    public ICollection<MangaTag> MangaTags { get; internal set; } = null!;
+    public ICollection<Link> Links { get; internal set; } = null!;
+    public ICollection<AltTitle> AltTitles { get; internal set; } = null!;
+    public float IgnoreChaptersBefore { get; internal set; }
+    [StringLength(1024)] [Required] public string DirectoryName { get; private set; }
+    [StringLength(512)] public string? CoverFileNameInCache { get; internal set; }
+    public uint? Year { get; internal init; }
+    [StringLength(8)] public string? OriginalLanguage { get; internal init; }
+
+    [NotMapped] public string? FullDirectoryPath => Library is not null ? Path.Join(Library.BasePath, DirectoryName) : null;
+
+    [NotMapped] public ICollection<string> ChapterIds => Chapters.Select(c => c.Key).ToList();
+    public ICollection<Chapter> Chapters = null!;
+
+    [NotMapped] public Dictionary<string, string> IdsOnMangaConnectors => MangaConnectorIds.ToDictionary(id => id.MangaConnectorName, id => id.IdOnConnectorSite);
+    [NotMapped] public ICollection<string> MangaConnectorIdsIds => MangaConnectorIds.Select(id => id.Key).ToList();
+    public ICollection<MangaConnectorId<Manga>> MangaConnectorIds = null!;
+
+    public Manga(string name, string description, string coverUrl, MangaReleaseStatus releaseStatus,
+        ICollection<Author> authors, ICollection<MangaTag> mangaTags, ICollection<Link> links, ICollection<AltTitle> altTitles,
+        FileLibrary? library = null, float ignoreChaptersBefore = 0f, uint? year = null, string? originalLanguage = null)
+    :base(TokenGen.CreateToken(typeof(Manga), name))
+    {
+        this.Name = name;
+        this.Description = description;
+        this.CoverUrl = coverUrl;
+        this.ReleaseStatus = releaseStatus;
+        this.Library = library;
+        this.Authors = authors;
+        this.MangaTags = mangaTags;
+        this.Links = links;
+        this.AltTitles = altTitles;
+        this.IgnoreChaptersBefore = ignoreChaptersBefore;
+        this.DirectoryName = CleanDirectoryName(name);
+        this.Year = year;
+        this.OriginalLanguage = originalLanguage;
+        this.Chapters = [];
+        this.MangaConnectorIds = [];
+    }
+
+    /// <summary>
+    /// EF ONLY!!!
+    /// </summary>
+    public Manga(string key, string name, string description, string coverUrl,
+        MangaReleaseStatus releaseStatus,
+        string directoryName, float ignoreChaptersBefore, string? libraryId, uint? year, string? originalLanguage)
+        : base(key)
+    {
+        this.Name = name;
+        this.Description = description;
+        this.CoverUrl = coverUrl;
+        this.ReleaseStatus = releaseStatus;
+        this.DirectoryName = directoryName;
+        this.LibraryId = libraryId;
+        this.IgnoreChaptersBefore = ignoreChaptersBefore;
+        this.Year = year;
+        this.OriginalLanguage = originalLanguage;
+    }
+    
+    
+    public string CreatePublicationFolder()
+    {
+        string? publicationFolder = FullDirectoryPath;
+        if (publicationFolder is null)
+            throw new DirectoryNotFoundException("Publication folder not found");
+        if(!Directory.Exists(publicationFolder))
+            Directory.CreateDirectory(publicationFolder);
+        if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            File.SetUnixFileMode(publicationFolder, GroupRead | GroupWrite | GroupExecute | OtherRead | OtherWrite | OtherExecute | UserRead | UserWrite | UserExecute);
+        return publicationFolder;
+    }
+
+    //https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file
+    //less than 32 is control *forbidden*
+    //34 is " *forbidden*
+    //42 is * *forbidden*
+    //47 is / *forbidden*
+    //58 is : *forbidden*
+    //60 is < *forbidden*
+    //62 is > *forbidden*
+    //63 is ? *forbidden*
+    //92 is \ *forbidden*
+    //124 is | *forbidden*
+    //127 is delete *forbidden*
+    //Below 127 all except *******
+    private static readonly int[] ForbiddenCharsBelow127 = [34, 42, 47, 58, 60, 62, 63, 92, 124, 127];
+    //Above 127 none except *******
+    private static readonly int[] IncludeCharsAbove127 = [128, 138, 142];
+    //128 is € include
+    //138 is Š include
+    //142 is Ž include
+    //152 through 255 looks fine except 157, 172, 173, 175 *******
+    private static readonly int[] ForbiddenCharsAbove152 = [157, 172, 173, 175];
+    private static string CleanDirectoryName(string name)
+    {
+        StringBuilder sb = new ();
+        foreach (char c in name)
+        {
+            if (c >= 32 && c < 127 && ForbiddenCharsBelow127.Contains(c) == false)
+                sb.Append(c);
+            else if (c > 127 && c < 152 && IncludeCharsAbove127.Contains(c))
+                sb.Append(c);
+            else if(c >= 152 && c <= 255 && ForbiddenCharsAbove152.Contains(c) == false)
+                sb.Append(c);
+        }
+        return sb.ToString();
+    }
+
+    /// <summary>
+    /// Merges another Manga (MangaConnectorIds and Chapters)
+    /// </summary>
+    /// <param name="other">The other <see cref="Manga" /> to merge</param>
+    /// <param name="context"><see cref="MangaContext"/> to use for Database operations</param>
+    /// <returns>An array of <see cref="MoveFileOrFolderWorker"/> for moving <see cref="Chapter"/> to new Directory</returns>
+    public BaseWorker[] MergeFrom(Manga other, MangaContext context)
+    {
+        context.Mangas.Remove(other);
+        List<BaseWorker> newJobs = new();
+
+        this.MangaConnectorIds = this.MangaConnectorIds
+            .UnionBy(other.MangaConnectorIds, id => id.MangaConnectorName)
+            .ToList();
+
+        foreach (Chapter otherChapter in other.Chapters)
+        {
+            string oldPath = otherChapter.FullArchiveFilePath;
+            Chapter newChapter = new(this, otherChapter.ChapterNumber, otherChapter.VolumeNumber,
+                otherChapter.Title);
+            this.Chapters.Add(newChapter);
+            string newPath = newChapter.FullArchiveFilePath;
+            newJobs.Add(new MoveFileOrFolderWorker(newPath, oldPath));
+        }
+        
+        return newJobs.ToArray();
+    }
+
+    public async Task<(MemoryStream stream, FileInfo fileInfo)?> GetCoverImage(string cachePath, CancellationToken ct)
+    {
+        string fullPath = Path.Join(cachePath, CoverFileNameInCache);
+        if (!File.Exists(fullPath))
+            return null;
+
+        FileInfo fileInfo = new(fullPath);
+        MemoryStream stream = new (await File.ReadAllBytesAsync(fullPath, ct));
+        
+        return (stream, fileInfo);
+    }
+
+    public override string ToString() => $"{base.ToString()} {Name}";
+}
+
+public enum MangaReleaseStatus : byte
+{
+    Continuing = 0,
+    Completed = 1,
+    OnHiatus = 2,
+    Cancelled = 3,
+    Unreleased = 4
+}

API/Schema/MangaContext/MangaConnectorId.cs

@@ -0,0 +1,44 @@
+using System.ComponentModel.DataAnnotations;
+using API.MangaConnectors;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Key")]
+public class MangaConnectorId<T> : Identifiable where T : Identifiable
+{
+    public T Obj = null!;
+    [StringLength(64)] public string ObjId { get; internal set; }
+
+    [StringLength(32)] public string MangaConnectorName { get; private set; }
+
+    [StringLength(256)] public string IdOnConnectorSite { get; init; }
+    [Url] [StringLength(512)] public string? WebsiteUrl { get; internal init; }
+    public bool UseForDownload { get; internal set; }
+
+    public MangaConnectorId(T obj, MangaConnector mangaConnector, string idOnConnectorSite, string? websiteUrl, bool useForDownload = false)
+        : base(TokenGen.CreateToken(typeof(MangaConnectorId<T>), mangaConnector.Name, idOnConnectorSite))
+    {
+        this.Obj = obj;
+        this.ObjId = obj.Key;
+        this.MangaConnectorName = mangaConnector.Name;
+        this.IdOnConnectorSite = idOnConnectorSite;
+        this.WebsiteUrl = websiteUrl;
+        this.UseForDownload = useForDownload;
+    }
+
+    /// <summary>
+    /// EF CORE ONLY!!!
+    /// </summary>
+    public MangaConnectorId(string key, string objId, string mangaConnectorName, string idOnConnectorSite, bool useForDownload, string? websiteUrl)
+        : base(key)
+    {
+        this.ObjId = objId;
+        this.MangaConnectorName = mangaConnectorName;
+        this.IdOnConnectorSite = idOnConnectorSite;
+        this.WebsiteUrl = websiteUrl;
+        this.UseForDownload = useForDownload;
+    }
+
+    public override string ToString() => $"{base.ToString()} {Obj}";
+}

API/Schema/MangaContext/MangaContext.cs

@@ -0,0 +1,127 @@
+using API.MangaConnectors;
+using API.Schema.MangaContext.MetadataFetchers;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Query;
+
+namespace API.Schema.MangaContext;
+
+public class MangaContext(DbContextOptions<MangaContext> options) : TrangaBaseContext<MangaContext>(options)
+{
+    public DbSet<Manga> Mangas { get; set; }
+    public DbSet<FileLibrary> FileLibraries { get; set; }
+    public DbSet<Chapter> Chapters { get; set; }
+    public DbSet<Author> Authors { get; set; }
+    public DbSet<MangaTag> Tags { get; set; }
+    public DbSet<MangaConnectorId<Manga>> MangaConnectorToManga { get; set; }
+    public DbSet<MangaConnectorId<Chapter>> MangaConnectorToChapter { get; set; }
+    public DbSet<MetadataEntry> MetadataEntries { get; set; }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        //MangaConnector Types
+        modelBuilder.Entity<MangaConnector>()
+            .HasDiscriminator(c => c.Name)
+            .HasValue<Global>("Global")
+            .HasValue<MangaDex>("MangaDex")
+            .HasValue<ComickIo>("ComickIo");
+
+        //Manga has many Chapters
+        modelBuilder.Entity<Manga>()
+            .HasMany<Chapter>(m => m.Chapters)
+            .WithOne(c => c.ParentManga)
+            .HasForeignKey(c => c.ParentMangaId)
+            .OnDelete(DeleteBehavior.Cascade);
+        //Chapter has MangaConnectorIds
+        modelBuilder.Entity<Chapter>()
+            .HasMany<MangaConnectorId<Chapter>>(c => c.MangaConnectorIds)
+            .WithOne(id => id.Obj)
+            .HasForeignKey(id => id.ObjId)
+            .OnDelete(DeleteBehavior.Cascade);
+        //Manga owns MangaAltTitles
+        modelBuilder.Entity<Manga>()
+            .OwnsMany<AltTitle>(m => m.AltTitles)
+            .WithOwner();
+        modelBuilder.Entity<Manga>()
+            .Navigation(m => m.AltTitles)
+            .AutoInclude();
+        //Manga owns Links
+        modelBuilder.Entity<Manga>()
+            .OwnsMany<Link>(m => m.Links)
+            .WithOwner();
+        modelBuilder.Entity<Manga>()
+            .Navigation(m => m.Links)
+            .AutoInclude();
+        //Manga has many Tags associated with many Obj
+        modelBuilder.Entity<Manga>()
+            .HasMany<MangaTag>(m => m.MangaTags)
+            .WithMany()
+            .UsingEntity("MangaTagToManga",
+                l=> l.HasOne(typeof(MangaTag)).WithMany().HasForeignKey("MangaTagIds").HasPrincipalKey(nameof(MangaTag.Tag)),
+                r => r.HasOne(typeof(Manga)).WithMany().HasForeignKey("MangaIds").HasPrincipalKey(nameof(Manga.Key)),
+                j => j.HasKey("MangaTagIds", "MangaIds")
+            );
+        modelBuilder.Entity<Manga>()
+            .Navigation(m => m.MangaTags)
+            .AutoInclude();
+        //Manga has many Authors associated with many Obj
+        modelBuilder.Entity<Manga>()
+            .HasMany<Author>(m => m.Authors)
+            .WithMany()
+            .UsingEntity("AuthorToManga",
+                l=> l.HasOne(typeof(Author)).WithMany().HasForeignKey("AuthorIds").HasPrincipalKey(nameof(Author.Key)),
+                r => r.HasOne(typeof(Manga)).WithMany().HasForeignKey("MangaIds").HasPrincipalKey(nameof(Manga.Key)),
+                j => j.HasKey("AuthorIds", "MangaIds")
+            );
+        modelBuilder.Entity<Manga>()
+            .Navigation(m => m.Authors)
+            .AutoInclude();
+        //Manga has many MangaIds
+        modelBuilder.Entity<Manga>()
+            .HasMany<MangaConnectorId<Manga>>(m => m.MangaConnectorIds)
+            .WithOne(id => id.Obj)
+            .HasForeignKey(id => id.ObjId)
+            .OnDelete(DeleteBehavior.Cascade);
+        
+        
+        //FileLibrary has many Mangas
+        modelBuilder.Entity<FileLibrary>()
+            .HasMany<Manga>()
+            .WithOne(m => m.Library)
+            .HasForeignKey(m => m.LibraryId)
+            .OnDelete(DeleteBehavior.SetNull);
+        
+        modelBuilder.Entity<MetadataFetcher>()
+            .HasDiscriminator<string>(nameof(MetadataEntry))
+            .HasValue<MyAnimeList>(nameof(MyAnimeList));
+        //MetadataEntry
+        modelBuilder.Entity<MetadataEntry>()
+            .HasOne<Manga>(entry => entry.Manga)
+            .WithMany()
+            .OnDelete(DeleteBehavior.Cascade);
+        modelBuilder.Entity<MetadataEntry>()
+            .HasOne<MetadataFetcher>(entry => entry.MetadataFetcher)
+            .WithMany()
+            .OnDelete(DeleteBehavior.Cascade);
+    }
+
+    public async Task<Manga?> FindMangaLike(Manga other, CancellationToken token)
+    {
+        if (await MangaIncludeAll().FirstOrDefaultAsync(m => m.Key == other.Key, token) is { } f)
+            return f;
+
+        return await MangaIncludeAll()
+            .FirstOrDefaultAsync(m =>
+                m.Links.Any(l => l.Key == other.Key) ||
+                m.AltTitles.Any(t => other.AltTitles.Select(ot => ot.Title).Any(s => s.Equals(t.Title))), token);
+    }
+
+    public IIncludableQueryable<Manga, ICollection<MangaConnectorId<Manga>>> MangaIncludeAll() =>
+        Mangas
+            .Include(m => m.Library)
+            .Include(m => m.Authors)
+            .Include(m => m.MangaTags)
+            .Include(m => m.Links)
+            .Include(m => m.AltTitles)
+            .Include(m => m.Chapters)
+            .Include(m => m.MangaConnectorIds);
+}

API/Schema/MangaContext/MangaTag.cs

@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext;
+
+[PrimaryKey("Tag")]
+public class MangaTag(string tag)
+{
+    [StringLength(64)]
+    [Required]
+    public string Tag { get; init; } = tag;
+
+    public override string ToString() => Tag;
+}

API/Schema/MangaContext/MetadataFetchers/MetadataEntry.cs

@@ -0,0 +1,37 @@
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+
+namespace API.Schema.MangaContext.MetadataFetchers;
+
+[PrimaryKey("MetadataFetcherName", "Identifier")]
+public class MetadataEntry
+{
+    [JsonIgnore]
+    public Manga Manga { get; init; } = null!;
+    public string MangaId  { get; init; }
+    [JsonIgnore]
+    public MetadataFetcher MetadataFetcher { get; init; } = null!;
+    public string MetadataFetcherName { get; init; }
+    public string Identifier { get; init; }
+
+    public MetadataEntry(MetadataFetcher fetcher, Manga manga, string identifier)
+    {
+        this.Manga = manga;
+        this.MangaId = manga.Key;
+        this.MetadataFetcher = fetcher;
+        this.MetadataFetcherName = fetcher.Name;
+        this.Identifier = identifier;
+    }
+
+    /// <summary>
+    /// EFCORE only!!!!
+    /// </summary>
+    internal MetadataEntry(string mangaId, string identifier, string metadataFetcherName)
+    {
+        this.MangaId = mangaId;
+        this.Identifier = identifier;
+        this.MetadataFetcherName = metadataFetcherName;
+    }
+    
+    public override string ToString() => $"{GetType().FullName} {MangaId} {MetadataFetcherName}";
+}

API/Schema/MangaContext/MetadataFetchers/MetadataFetcher.cs

@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.MangaContext.MetadataFetchers;
+
+[PrimaryKey("Name")]
+public abstract class MetadataFetcher
+{
+    // ReSharper disable once EntityFramework.ModelValidation.UnlimitedStringLength
+    public string Name { get; init; }
+
+    protected MetadataFetcher()
+    {
+        this.Name = this.GetType().Name;
+    }
+    
+    /// <summary>
+    /// EFCORE ONLY!!!
+    /// </summary>
+    internal MetadataFetcher(string name)
+    {
+        this.Name = name;
+    }
+
+    internal MetadataEntry CreateMetadataEntry(Manga manga, string identifier) =>
+        new (this, manga, identifier);
+    
+    public abstract MetadataSearchResult[] SearchMetadataEntry(Manga manga);
+    
+    public abstract MetadataSearchResult[] SearchMetadataEntry(string searchTerm);
+
+    /// <summary>
+    /// Updates the Manga linked in the MetadataEntry
+    /// </summary>
+    public abstract Task UpdateMetadata(MetadataEntry metadataEntry, MangaContext dbContext, CancellationToken token);
+}

API/Schema/MangaContext/MetadataFetchers/MetadataSearchResult.cs

@@ -0,0 +1,3 @@
+namespace API.Schema.MangaContext.MetadataFetchers;
+
+public record MetadataSearchResult(string Identifier, string Name, string Url, string? Description = null, string? CoverUrl = null);

API/Schema/MangaContext/MetadataFetchers/MyAnimeList.cs

@@ -0,0 +1,91 @@
+using System.Text.RegularExpressions;
+using JikanDotNet;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
+
+namespace API.Schema.MangaContext.MetadataFetchers;
+
+public class MyAnimeList : MetadataFetcher
+{
+    private static readonly Jikan Jikan = new ();
+    private static readonly Regex GetIdFromUrl = new(@"https?:\/\/myanimelist\.net\/manga\/([0-9]+)\/?.*");
+    
+    public override MetadataSearchResult[] SearchMetadataEntry(Manga manga)
+    {
+        if (manga.Links.Any(link => link.LinkProvider.Equals("MyAnimeList", StringComparison.InvariantCultureIgnoreCase)))
+        {
+            string url = manga.Links.First(link => link.LinkProvider.Equals("MyAnimeList", StringComparison.InvariantCultureIgnoreCase)).LinkUrl;
+            Match m = GetIdFromUrl.Match(url);
+            if (m.Success && m.Groups[1].Success)
+            {
+                long id = long.Parse(m.Groups[1].Value);
+                JikanDotNet.Manga data = Jikan.GetMangaAsync(id).Result.Data;
+                return [new MetadataSearchResult(id.ToString(), data.Titles.First().Title, data.Url, data.Synopsis)];
+            }
+        }
+
+        return SearchMetadataEntry(manga.Name);
+    }
+
+    public override MetadataSearchResult[] SearchMetadataEntry(string searchTerm)
+    {
+        
+        ICollection<JikanDotNet.Manga> resultData = Jikan.SearchMangaAsync(searchTerm).Result.Data;
+        if (resultData.Count < 1)
+            return [];
+        return resultData.Select(data =>
+                new MetadataSearchResult(data.MalId.ToString(), data.Titles.First().Title, data.Url, data.Synopsis))
+            .ToArray();
+    }
+
+    /// <summary>
+    /// Updates the Manga linked in the MetadataEntry
+    /// </summary>
+    /// <param name="metadataEntry"></param>
+    /// <param name="dbContext"></param>
+    /// <param name="token"></param>
+    /// <exception cref="FormatException"></exception>
+    /// <exception cref="DbUpdateException"></exception>
+    public override async Task UpdateMetadata(MetadataEntry metadataEntry, MangaContext dbContext, CancellationToken token)
+    {
+        Manga? dbManga = metadataEntry.Manga; //Might be null!
+        if (dbManga is null)
+        {
+            if (await dbContext.Mangas.FirstOrDefaultAsync(m => m.Key == metadataEntry.MangaId, token) is not
+                { } update)
+                throw new DbUpdateException("Manga not found");
+            dbManga = update;
+        }
+
+        // Load all collections (tags, links, authors)...
+        foreach (CollectionEntry collectionEntry in dbContext.Entry(dbManga).Collections)
+        {
+            if(!collectionEntry.IsLoaded)
+                await collectionEntry.LoadAsync(token);
+        }
+        await dbContext.Entry(dbManga).Reference(m => m.Library).LoadAsync(token);
+        
+        MangaFull resultData;
+        try
+        {
+            long id = long.Parse(metadataEntry.Identifier);
+            if(await Jikan.GetMangaFullDataAsync(id, token) is not { } response)
+                throw new DbUpdateException("Manga Data not found");
+            resultData = response.Data;
+        }
+        catch (Exception)
+        {
+            throw new FormatException("ID was not in correct format");
+        }
+
+        dbManga.Name = resultData.Titles.First().Title;
+        dbManga.Description = resultData.Synopsis;
+        dbManga.AltTitles.Clear();
+        dbManga.AltTitles = resultData.Titles.Select(t => new AltTitle(t.Type, t.Title)).ToList();
+        dbManga.Authors.Clear();
+        dbManga.Authors = resultData.Authors.Select(a => new Author(a.Name)).ToList();
+
+        await dbContext.Sync(token);
+    }
+    
+}

API/Schema/NotificationsContext/Notification.cs

@@ -0,0 +1,56 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.NotificationsContext;
+
+[PrimaryKey(nameof(Key))]
+public class Notification : Identifiable
+{
+    [Required]
+    public NotificationUrgency Urgency { get; init; }
+
+    [StringLength(128)]
+    [Required]
+    public string Title { get; init; }
+
+    [StringLength(512)]
+    [Required]
+    public string Message { get; init; }
+    
+    [Required]
+    public DateTime Date { get; init; }
+    
+    public bool IsSent { get; internal set; }
+
+    public Notification(string title, string message = "", NotificationUrgency urgency = NotificationUrgency.Normal, DateTime? date = null)
+        : base(TokenGen.CreateToken("Notification"))
+    {
+        this.Title = title;
+        this.Message = message;
+        this.Urgency = urgency;
+        this.Date = date ?? DateTime.UtcNow;
+        this.IsSent = false;
+    }
+
+    /// <summary>
+    /// EF ONLY!!!
+    /// </summary>
+    public Notification(string key, string title, string message, NotificationUrgency urgency, DateTime date, bool isSent)
+        : base(key)
+    {
+        this.Title = title;
+        this.Message = message;
+        this.Urgency = urgency;
+        this.Date = date;
+        this.IsSent =  isSent;
+    }
+
+    public override string ToString() => $"{base.ToString()} {Urgency} {Title} {Message}";
+}
+
+public enum NotificationUrgency : byte
+{
+    Low = 1,
+    Normal = 3,
+    High = 5
+}

API/Schema/NotificationsContext/NotificationConnectors/NotificationConnector.cs

@@ -0,0 +1,59 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+using log4net;
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+
+namespace API.Schema.NotificationsContext.NotificationConnectors;
+
+[PrimaryKey("Name")]
+public class NotificationConnector(string name, string url, Dictionary<string, string> headers, string httpMethod, string body)
+{
+    [StringLength(64)] public string Name { get; init; } = name;
+    
+    [StringLength(2048)] [Url] public string Url { get; internal set; } = url;
+
+    [Required] public Dictionary<string, string> Headers { get; internal set; } = headers;
+
+    [StringLength(8)] public string HttpMethod { get; internal set; } = httpMethod;
+
+    [StringLength(4096)] public string Body { get; internal set; } = body;
+
+    [NotMapped] private readonly HttpClient Client = new()
+    {
+        DefaultRequestHeaders = { { "User-Agent", Tranga.Settings.UserAgent } }
+    };
+    
+    [JsonIgnore] protected ILog Log = LogManager.GetLogger(name);
+
+    public void SendNotification(string title, string notificationText)
+    {
+        Log.Info($"Sending notification: {title} - {notificationText}");
+        string formattedUrl = FormatStr(Url, title, notificationText);
+        string formattedBody = FormatStr(Body, title, notificationText);
+        Dictionary<string, string> formattedHeaders = Headers.ToDictionary(h => h.Key, 
+            h => FormatStr(h.Value, title, notificationText));
+
+        HttpRequestMessage request = new(System.Net.Http.HttpMethod.Parse(HttpMethod), formattedUrl);
+        foreach (var (key, value) in formattedHeaders)
+            request.Headers.Add(key, value);
+        request.Content = new StringContent(formattedBody);
+        request.Content.Headers.ContentType = new ("application/json");
+        Log.Debug($"Request: {request}");
+
+        HttpResponseMessage response = Client.Send(request);
+        Log.Debug($"Response status code: {response.StatusCode} {response.Content.ReadAsStringAsync().Result}");
+    }
+
+    private string FormatStr(string str, string title, string text)
+    {
+        StringBuilder sb = new (str);
+        sb.Replace("%title", title);
+        sb.Replace("%text", text);
+            
+        return sb.ToString();
+    }
+
+    public override string ToString() => $"{GetType().Name} {Name}";
+}

API/Schema/NotificationsContext/NotificationsContext.cs

@@ -0,0 +1,10 @@
+using API.Schema.NotificationsContext.NotificationConnectors;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.NotificationsContext;
+
+public class NotificationsContext(DbContextOptions<NotificationsContext> options) : TrangaBaseContext<NotificationsContext>(options)
+{
+    public DbSet<NotificationConnector> NotificationConnectors { get; set; }
+    public DbSet<Notification> Notifications { get; set; }
+}

API/Schema/TrangaBaseContext.cs

@@ -0,0 +1,40 @@
+using log4net;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Diagnostics;
+
+namespace API.Schema;
+
+public abstract class TrangaBaseContext<T> : DbContext where T : DbContext
+{
+    private ILog Log { get; init; }
+
+    protected TrangaBaseContext(DbContextOptions<T> options) : base(options)
+    {
+        this.Log =  LogManager.GetLogger(GetType());
+    }
+    
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+    {
+        base.OnConfiguring(optionsBuilder);
+        optionsBuilder.LogTo(s =>
+        {
+            Log.Debug(s);
+        }, Array.Empty<string>(), LogLevel.Warning, DbContextLoggerOptions.Level | DbContextLoggerOptions.Category | DbContextLoggerOptions.UtcTime);
+    }
+
+    internal async Task<(bool success, string? exceptionMessage)> Sync(CancellationToken token)
+    {
+        try
+        {
+            await this.SaveChangesAsync(token);
+            return (true, null);
+        }
+        catch (Exception e)
+        {
+            Log.Error(null, e);
+            return (false, e.Message);
+        }
+    }
+
+    public override string ToString() => $"{GetType().Name} {typeof(T).Name}";
+}

API/TokenGen.cs

@@ -0,0 +1,37 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace API;
+
+public static class TokenGen
+{
+    public const int MinimumLength = 16;
+    public const int MaximumLength = 64;
+    private const string Chars = "abcdefghijklmnopqrstuvwxyz0123456789";
+
+    public static string CreateToken(Type t, params string[] identifiers) => CreateToken(t.Name, identifiers);
+    
+    public static string CreateToken(string prefix, params string[] identifiers)
+    {
+        if (prefix.Length + 1 >= MaximumLength - MinimumLength)
+            throw new ArgumentException("Prefix to long to create Token of meaningful length.");
+        
+        int tokenLength = MaximumLength - prefix.Length - 1;
+        
+        if (identifiers.Length == 0)
+        {
+            // No identifier, just create a random token
+            byte[] rng = new byte[tokenLength];
+            RandomNumberGenerator.Create().GetBytes(rng);
+            string key = new(rng.Select(b => Chars[b % Chars.Length]).ToArray());
+            key = string.Join('-', prefix, key);
+            return key;
+        }
+
+        // Identifier provided, create a token based on the identifier hashed
+        byte[] hash = MD5.HashData(Encoding.UTF8.GetBytes(string.Join("", identifiers)));
+        string token = Convert.ToHexStringLower(hash);
+        
+        return string.Join('-', prefix, token);
+    }
+}

API/Tranga.cs

@@ -0,0 +1,227 @@
+using System.Collections.Concurrent;
+using System.Diagnostics.CodeAnalysis;
+using API.MangaConnectors;
+using API.Schema.LibraryContext;
+using API.Schema.MangaContext;
+using API.Schema.MangaContext.MetadataFetchers;
+using API.Schema.NotificationsContext;
+using API.Workers;
+using API.Workers.MaintenanceWorkers;
+using log4net;
+using log4net.Config;
+using Microsoft.EntityFrameworkCore;
+
+namespace API;
+
+public static class Tranga
+{
+    private static IServiceProvider? ServiceProvider;
+    
+    private static readonly ILog Log = LogManager.GetLogger(typeof(Tranga));
+    internal static readonly MetadataFetcher[] MetadataFetchers = [new MyAnimeList()];
+    internal static readonly MangaConnector[] MangaConnectors = [new Global(), new MangaDex(), new ComickIo()];
+    internal static TrangaSettings Settings = TrangaSettings.Load();
+    
+    internal static readonly UpdateMetadataWorker UpdateMetadataWorker = new ();
+    internal static readonly SendNotificationsWorker SendNotificationsWorker = new();
+    internal static readonly UpdateChaptersDownloadedWorker UpdateChaptersDownloadedWorker = new();
+    internal static readonly CheckForNewChaptersWorker CheckForNewChaptersWorker = new();
+    internal static readonly CleanupMangaCoversWorker CleanupMangaCoversWorker = new();
+    internal static readonly StartNewChapterDownloadsWorker StartNewChapterDownloadsWorker = new();
+    internal static readonly RemoveOldNotificationsWorker RemoveOldNotificationsWorker = new();
+    internal static readonly UpdateCoversWorker UpdateCoversWorker = new();
+
+    internal static void StartLogger(FileInfo loggerConfigFile)
+    {
+        XmlConfigurator.ConfigureAndWatch(loggerConfigFile);
+        Log.Info("Logger Configured.");
+        Log.Info(Constants.TRANGA);
+    }
+
+    internal static void AddDefaultWorkers()
+    {
+        AddWorker(UpdateMetadataWorker);
+        AddWorker(SendNotificationsWorker);
+        AddWorker(UpdateChaptersDownloadedWorker);
+        AddWorker(CheckForNewChaptersWorker);
+        AddWorker(CleanupMangaCoversWorker);
+        AddWorker(StartNewChapterDownloadsWorker);
+        AddWorker(RemoveOldNotificationsWorker);
+        AddWorker(UpdateCoversWorker);
+    }
+
+    internal static void SetServiceProvider(IServiceProvider serviceProvider)
+    {
+        ServiceProvider = serviceProvider;
+    }
+
+    internal static bool TryGetMangaConnector(string name, [NotNullWhen(true)]out MangaConnector? mangaConnector)
+    {
+        mangaConnector =
+            MangaConnectors.FirstOrDefault(c => c.Name.Equals(name, StringComparison.InvariantCultureIgnoreCase));
+        return mangaConnector != null;
+    }
+    
+    internal static readonly ConcurrentDictionary<IPeriodic, Task> PeriodicWorkers = new ();
+
+    public static void AddWorker(BaseWorker worker)
+    {
+        Log.Debug($"Adding Worker {worker}");
+        StartWorker(worker);
+        if(worker is IPeriodic periodic)
+            AddPeriodicWorker(worker, periodic);
+    }
+
+    private static void AddPeriodicWorker(BaseWorker worker, IPeriodic periodic)
+    {
+        Log.Debug($"Adding Periodic {worker}");
+        Task periodicTask = PeriodicTask(worker, periodic);
+        PeriodicWorkers.TryAdd((worker as IPeriodic)!, periodicTask);
+        periodicTask.Start();
+    }
+
+    private static Task PeriodicTask(BaseWorker worker, IPeriodic periodic) => new (() =>
+    {
+        Log.Debug($"Waiting {periodic.Interval} for next run of {worker}");
+        Thread.Sleep(periodic.Interval);
+        StartWorker(worker, RefreshTask(worker, periodic));
+    });
+
+    private static Action RefreshTask(BaseWorker worker, IPeriodic periodic) => () =>
+    {
+        if (worker.State < WorkerExecutionState.Created) //Failed
+            return;
+        Log.Debug($"Refreshing {worker}");
+        Task periodicTask = PeriodicTask(worker, periodic);
+        PeriodicWorkers.AddOrUpdate((worker as IPeriodic)!, periodicTask, (_, _) => periodicTask);
+        periodicTask.Start();
+    };
+    
+    public static void AddWorkers(IEnumerable<BaseWorker> workers)
+    {
+        foreach (BaseWorker baseWorker in workers)
+            AddWorker(baseWorker);
+    }
+
+    private static readonly ConcurrentDictionary<BaseWorker, Task<BaseWorker[]>> RunningWorkers = new();
+    public static BaseWorker[] GetRunningWorkers() => RunningWorkers.Keys.ToArray();
+    
+    internal static void StartWorker(BaseWorker worker, Action? callback = null)
+    {
+        Log.Debug($"Starting {worker}");
+        if (ServiceProvider is null)
+        {
+            Log.Fatal("ServiceProvider is null");
+            return;
+        }
+        Action afterWorkCallback = AfterWork(worker, callback);
+
+        while (RunningWorkers.Count > Settings.MaxConcurrentWorkers)
+        {
+            Log.Warn($"{worker}: Max worker concurrency reached ({Settings.MaxConcurrentWorkers})! Waiting {Settings.WorkCycleTimeoutMs}ms...");
+            Thread.Sleep(Settings.WorkCycleTimeoutMs);
+        }
+        
+        if (worker is BaseWorkerWithContext<MangaContext> mangaContextWorker)
+        {
+            mangaContextWorker.SetScope(ServiceProvider.CreateScope());
+            RunningWorkers.TryAdd(mangaContextWorker, mangaContextWorker.DoWork(afterWorkCallback));
+        }else if (worker is BaseWorkerWithContext<NotificationsContext> notificationContextWorker)
+        {
+            notificationContextWorker.SetScope(ServiceProvider.CreateScope());
+            RunningWorkers.TryAdd(notificationContextWorker, notificationContextWorker.DoWork(afterWorkCallback));
+        }else if (worker is BaseWorkerWithContext<LibraryContext> libraryContextWorker)
+        {
+            libraryContextWorker.SetScope(ServiceProvider.CreateScope());
+            RunningWorkers.TryAdd(libraryContextWorker, libraryContextWorker.DoWork(afterWorkCallback));
+        }else
+            RunningWorkers.TryAdd(worker, worker.DoWork(afterWorkCallback));
+    }
+
+    private static Action AfterWork(BaseWorker worker, Action? callback = null) => () =>
+    {
+        Log.Debug($"AfterWork {worker}");
+        if (RunningWorkers.TryGetValue(worker, out Task<BaseWorker[]>? task))
+        {
+            Log.Debug($"Waiting for Children to exit {worker}");
+            task.Wait();
+            if (task.IsCompleted)
+            {
+                try
+                {
+                    BaseWorker[] newWorkers = task.Result;
+                    Log.Debug($"{worker} created {newWorkers.Length} new Workers.");
+                    AddWorkers(newWorkers);
+                }
+                catch (Exception e)
+                {
+                    Log.Error(e);
+                }
+            }else Log.Warn($"Children failed: {worker}");
+        }
+        RunningWorkers.Remove(worker, out _);
+        callback?.Invoke();
+    };
+
+    internal static void StopWorker(BaseWorker worker)
+    {
+        Log.Debug($"Stopping {worker}");
+        if(worker is IPeriodic periodicWorker)
+            PeriodicWorkers.Remove(periodicWorker, out _);
+        worker.Cancel();
+        RunningWorkers.Remove(worker, out _);
+    }
+    
+    internal static async Task<bool> AddMangaToContext(this MangaContext context, (Manga, MangaConnectorId<Manga>) addManga, CancellationToken token) =>
+        await AddMangaToContext(context, addManga.Item1, addManga.Item2, token);
+
+    internal static async Task<bool> AddMangaToContext(this MangaContext context, Manga addManga, MangaConnectorId<Manga> addMcId,
+        CancellationToken token)
+    {
+        context.ChangeTracker.Clear();
+        Manga? manga = await context.FindMangaLike(addManga, token);
+        if (manga is not null)
+        {
+            foreach (MangaConnectorId<Manga> mcId in addManga.MangaConnectorIds)
+            {
+                mcId.Obj = manga;
+                mcId.ObjId = manga.Key;
+            }
+            manga.MangaTags = manga.MangaTags.UnionBy(addManga.MangaTags, tag => tag.Tag).ToList();
+            manga.Authors = manga.Authors.UnionBy(addManga.Authors, author => author.Key).ToList();
+            manga.Links = manga.Links.UnionBy(addManga.Links, link => link.Key).ToList();
+            manga.AltTitles = manga.AltTitles.UnionBy(addManga.AltTitles, altTitle => altTitle.Key).ToList();
+            manga.Chapters = manga.Chapters.UnionBy(addManga.Chapters, chapter => chapter.Key).ToList();
+            manga.MangaConnectorIds = manga.MangaConnectorIds.UnionBy(addManga.MangaConnectorIds, id => id.MangaConnectorName).ToList();
+
+            addManga = manga;
+        }
+        else
+        {
+            manga = addManga;
+            IEnumerable<MangaTag> mergedTags = manga.MangaTags.Select(mt =>
+            {
+                MangaTag? inDb = context.Tags.Find(mt.Tag);
+                return inDb ?? mt;
+            });
+            manga.MangaTags = mergedTags.ToList();
+
+            IEnumerable<Author> mergedAuthors = manga.Authors.Select(ma =>
+            {
+                Author? inDb = context.Authors.Find(ma.Key);
+                return inDb ?? ma;
+            });
+            manga.Authors = mergedAuthors.ToList();
+            
+            context.Mangas.Add(manga);
+        }
+
+        if (await context.Sync(token) is { success: false })
+            return false;
+
+        DownloadCoverFromMangaconnectorWorker downloadCoverWorker = new (addMcId);
+        AddWorker(downloadCoverWorker);
+        
+        return true;
+    }
+}

API/TrangaSettings.cs

@@ -0,0 +1,125 @@
+using System.Runtime.InteropServices;
+using API.MangaDownloadClients;
+using Newtonsoft.Json;
+
+namespace API;
+
+public struct TrangaSettings()
+{
+
+    [JsonIgnore]
+    public static string workingDirectory => Path.Join(RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ? "/usr/share" : Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "tranga-api");
+    [JsonIgnore]
+    public static string settingsFilePath => Path.Join(workingDirectory, "settings.json");
+    [JsonIgnore] public static string coverImageCache => Path.Join(workingDirectory, "imageCache");
+    [JsonIgnore] public static string coverImageCacheOriginal => Path.Join(coverImageCache, "original");
+    [JsonIgnore] public static string coverImageCacheLarge => Path.Join(coverImageCache, "large");
+    [JsonIgnore] public static string coverImageCacheMedium => Path.Join(coverImageCache, "medium");
+    [JsonIgnore] public static string coverImageCacheSmall => Path.Join(coverImageCache, "small");
+    public string DownloadLocation => RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ? "/Manga" : Path.Join(Directory.GetCurrentDirectory(), "Manga");
+    [JsonIgnore]
+    internal static readonly string DefaultUserAgent = $"Tranga/2.0 ({Enum.GetName(Environment.OSVersion.Platform)}; {(Environment.Is64BitOperatingSystem ? "x64" : "")})";
+    public string UserAgent { get; set; } = DefaultUserAgent;
+    public int ImageCompression{ get; set; } = 40;
+    public bool BlackWhiteImages { get; set; } = false;
+    public string FlareSolverrUrl { get; set; } = string.Empty;
+    /// <summary>
+    /// Placeholders:
+    /// %M Obj Name
+    /// %V Volume
+    /// %C Chapter
+    /// %T Title
+    /// %A Author (first in list)
+    /// %I Chapter Internal ID
+    /// %i Obj Internal ID
+    /// %Y Year (Obj)
+    ///
+    /// ?_(...) replace _ with a value from above:
+    /// Everything inside the braces will only be added if the value of %_ is not null
+    /// </summary>
+    public string ChapterNamingScheme { get; set; } = "%M - ?V(Vol.%V )Ch.%C?T( - %T)";
+    public int WorkCycleTimeoutMs { get; set; } = 20000;
+    [JsonIgnore]
+    internal static readonly Dictionary<RequestType, int> DefaultRequestLimits = new ()
+    {
+        {RequestType.MangaInfo, 360},
+        {RequestType.MangaDexFeed, 360},
+        {RequestType.MangaDexImage, 60},
+        {RequestType.MangaImage, 240},
+        {RequestType.MangaCover, 60},
+        {RequestType.Default, 360}
+    };
+    public Dictionary<RequestType, int> RequestLimits { get; set; } = DefaultRequestLimits;
+
+    public string DownloadLanguage { get; set; } = "en";
+    
+    public int MaxConcurrentDownloads { get; set; } = 5;
+
+    public int MaxConcurrentWorkers { get; set; } = 10;
+
+    public static TrangaSettings Load()
+    {
+        if (!File.Exists(settingsFilePath))
+            new TrangaSettings().Save();
+        return JsonConvert.DeserializeObject<TrangaSettings>(File.ReadAllText(settingsFilePath));
+    }
+
+    public void Save()
+    {
+        File.WriteAllText(settingsFilePath, JsonConvert.SerializeObject(this, Formatting.Indented));
+    }
+
+    public void SetUserAgent(string value)
+    {
+        this.UserAgent = value;
+        Save();
+    }
+
+    public void SetRequestLimit(RequestType type, int value)
+    {
+        this.RequestLimits[type] = value;
+        Save();
+    }
+
+    public void ResetRequestLimits()
+    {
+        this.RequestLimits = DefaultRequestLimits;
+        Save();
+    }
+
+    public void UpdateImageCompression(int value)
+    {
+        this.ImageCompression = value;
+        Save();
+    }
+
+    public void SetBlackWhiteImageEnabled(bool enabled)
+    {
+        this.BlackWhiteImages = enabled;
+        Save();
+    }
+
+    public void SetChapterNamingScheme(string scheme)
+    {
+        this.ChapterNamingScheme = scheme;
+        Save();
+    }
+
+    public void SetFlareSolverrUrl(string url)
+    {
+        this.FlareSolverrUrl = url;
+        Save();
+    }
+
+    public void SetDownloadLanguage(string language)
+    {
+        this.DownloadLanguage = language;
+        Save();
+    }
+
+    public void SetMaxConcurrentDownloads(int value)
+    {
+        this.MaxConcurrentDownloads = value;
+        Save();
+    }
+}

API/Workers/BaseWorker.cs

@@ -0,0 +1,127 @@
+using API.Schema;
+using log4net;
+
+namespace API.Workers;
+
+public abstract class BaseWorker : Identifiable
+{
+    /// <summary>
+    /// Workers this Worker depends on being completed before running.
+    /// </summary>
+    private BaseWorker[] DependsOn { get; init; }
+    /// <summary>
+    /// Dependencies and dependencies of dependencies. See also <see cref="DependsOn"/>.
+    /// </summary>
+    internal IEnumerable<BaseWorker> AllDependencies => DependsOn.Select(d => d.AllDependencies).SelectMany(x => x);
+    /// <summary>
+    /// <see cref="AllDependencies"/> and Self.
+    /// </summary>
+    internal IEnumerable<BaseWorker> DependenciesAndSelf => AllDependencies.Append(this);
+    /// <summary>
+    /// <see cref="DependsOn"/> where <see cref="WorkerExecutionState"/> is less than Completed.
+    /// </summary>
+    internal IEnumerable<BaseWorker> MissingDependencies => DependsOn.Where(d => d.State < WorkerExecutionState.Completed);
+    public bool AllDependenciesFulfilled => DependsOn.All(d => d.State >= WorkerExecutionState.Completed);
+    internal WorkerExecutionState State { get; private set; }
+    private CancellationTokenSource _cancellationTokenSource = new ();
+    protected CancellationToken CancellationToken => _cancellationTokenSource.Token;
+    protected ILog Log { get; init; }
+
+    /// <summary>
+    /// Stops worker, and marks as <see cref="WorkerExecutionState"/>.Cancelled
+    /// </summary>
+    public void Cancel()
+    {
+        Log.Debug($"Cancelled {this}");
+        this.State = WorkerExecutionState.Cancelled;
+        _cancellationTokenSource.Cancel();
+    }
+
+    /// <summary>
+    /// Stops worker, and marks as <see cref="WorkerExecutionState"/>.Failed
+    /// </summary>
+    protected void Fail()
+    {
+        Log.Debug($"Failed {this}");
+        this.State = WorkerExecutionState.Failed;
+        _cancellationTokenSource.Cancel();
+    }
+
+    protected BaseWorker(IEnumerable<BaseWorker>? dependsOn = null)
+    {
+        this.DependsOn = dependsOn?.ToArray() ?? [];
+        this.Log = LogManager.GetLogger(GetType());
+    }
+
+    /// <summary>
+    /// Sets States during worker-run.
+    /// States:
+    /// <list type="bullet">
+    /// <item><see cref="WorkerExecutionState"/>.Waiting when waiting for <see cref="MissingDependencies"/></item>
+    /// <item><see cref="WorkerExecutionState"/>.Running when running</item>
+    /// <item><see cref="WorkerExecutionState"/>.Completed after finished</item>
+    /// </list>
+    /// </summary>
+    /// <returns>
+    /// <list type="bullet">
+    /// <item>If <see cref="BaseWorker"/> has <see cref="MissingDependencies"/>, missing dependencies.</item>
+    /// <item>If <see cref="MissingDependencies"/> are <see cref="WorkerExecutionState"/>.Running, itself after waiting for dependencies.</item>
+    /// <item>If <see cref="BaseWorker"/> has run, additional <see cref="BaseWorker"/>.</item>
+    /// </list>
+    /// </returns>
+    public Task<BaseWorker[]> DoWork(Action? callback = null)
+    {
+        // Start the worker
+        Log.Debug($"Checking {this}");
+        _cancellationTokenSource = new(TimeSpan.FromMinutes(10));
+        State = WorkerExecutionState.Waiting;
+        
+        // Wait for dependencies, start them if necessary
+        BaseWorker[] missingDependenciesThatNeedStarting = MissingDependencies.Where(d => d.State < WorkerExecutionState.Waiting).ToArray();
+        if(missingDependenciesThatNeedStarting.Any())
+            return new (() => missingDependenciesThatNeedStarting);
+
+        if (MissingDependencies.Any())
+            return new (WaitForDependencies);
+        
+        // Run the actual work
+        Log.Info($"Running {this}");
+        DateTime startTime = DateTime.UtcNow;
+        State = WorkerExecutionState.Running;
+        Task<BaseWorker[]> task = DoWorkInternal();
+        task.GetAwaiter().OnCompleted(Finish(startTime, callback));
+        return task;
+    }
+
+    private Action Finish(DateTime startTime, Action? callback = null) => () =>
+    {
+        DateTime endTime = DateTime.UtcNow;
+        Log.Info($"Completed {this}\n\t{endTime.Subtract(startTime).TotalMilliseconds} ms");
+        this.State = WorkerExecutionState.Completed;
+        if(this is IPeriodic periodic)
+            periodic.LastExecution = DateTime.UtcNow;
+        callback?.Invoke();
+    };
+    
+    protected abstract Task<BaseWorker[]> DoWorkInternal();
+
+    private BaseWorker[] WaitForDependencies()
+    {
+        Log.Info($"Waiting for {MissingDependencies.Count()} Dependencies {this}:\n\t{string.Join("\n\t", MissingDependencies.Select(d => d.ToString()))}");
+        while (_cancellationTokenSource.IsCancellationRequested == false && MissingDependencies.Any())
+        {
+            Thread.Sleep(Tranga.Settings.WorkCycleTimeoutMs);  
+        }
+        return [this];
+    }
+}
+
+public enum WorkerExecutionState
+{
+    Failed = 0,
+    Cancelled = 32,
+    Created = 64,
+    Waiting = 96,
+    Running = 128,
+    Completed = 192
+}

API/Workers/BaseWorkerWithContext.cs

@@ -0,0 +1,24 @@
+using System.Configuration;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Workers;
+
+public abstract class BaseWorkerWithContext<T>(IEnumerable<BaseWorker>? dependsOn = null) : BaseWorker(dependsOn) where T : DbContext
+{
+    protected T DbContext = null!;
+    private IServiceScope? _scope;
+
+    public void SetScope(IServiceScope scope)
+    {
+        this._scope = scope;
+        this.DbContext = scope.ServiceProvider.GetRequiredService<T>();
+    }
+    
+    /// <exception cref="ConfigurationErrorsException">Scope has not been set. <see cref="SetScope"/></exception>
+    public new Task<BaseWorker[]> DoWork()
+    {
+        if (DbContext is null)
+            throw new ConfigurationErrorsException("Scope has not been set.");
+        return base.DoWork();
+    }
+}