Actions initial commit

API/Controllers/ActionsController.cs

@@ -0,0 +1,63 @@
+using API.Schema.ActionsContext;
+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 ActionsController(ActionsContext context) : Controller
+{
+    /// <summary>
+    /// Returns the available Action Types (<see cref="ActionRecord.Action"/>) performed by Tranga
+    /// </summary>
+    /// <response code="200">List of performed action-types</response>
+    /// <response code="500">Database error</response>
+    [HttpGet("Types")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<string>>, InternalServerError>> GetAvailableActions()
+    {
+        if (await context.Actions.Select(a => a.Action).Distinct().ToListAsync(HttpContext.RequestAborted) is not
+            { } actions)
+            return TypedResults.InternalServerError();
+        return TypedResults.Ok(actions);
+    }
+
+    public sealed record Interval(DateTime Start, DateTime End);
+    /// <summary>
+    /// Returns <see cref="ActionRecord"/> performed in <see cref="Interval"/>
+    /// </summary>
+    /// <response code="200">List of performed actions</response>
+    /// <response code="500">Database error</response>
+    [HttpPost("Interval")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<ActionRecord>>, InternalServerError>> GetActionsInterval([FromBody]Interval interval)
+    {
+        if (await context.Actions.Where(a => a.PerformedAt >= interval.Start && a.PerformedAt <= interval.End)
+                .ToListAsync(HttpContext.RequestAborted) is not { } actions)
+            return TypedResults.InternalServerError();
+        return TypedResults.Ok(actions);
+    }
+    
+    /// <summary>
+    /// Returns <see cref="ActionRecord"/> with type <paramref name="Type"/>
+    /// </summary>
+    /// <response code="200">List of performed actions</response>
+    /// <response code="500">Database error</response>
+    [HttpGet("Type/{Type}")]
+    [ProducesResponseType(Status200OK)]
+    [ProducesResponseType(Status500InternalServerError)]
+    public async Task<Results<Ok<List<ActionRecord>>, InternalServerError>> GetActionsWithType(string Type)
+    {
+        if (await context.Actions.Where(a => a.Action == Type)
+                .ToListAsync(HttpContext.RequestAborted) is not { } actions)
+            return TypedResults.InternalServerError();
+        return TypedResults.Ok(actions);
+    }
+}

API/Controllers/MangaController.cs

@@ -1,4 +1,6 @@
 using API.Controllers.DTOs;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
 using API.Schema.MangaContext;
 using API.Workers;
 using API.Workers.MangaDownloadWorkers;
@@ -11,6 +13,7 @@ using Soenneker.Utils.String.NeedlemanWunsch;
 using static Microsoft.AspNetCore.Http.StatusCodes;
 using AltTitle = API.Controllers.DTOs.AltTitle;
 using Author = API.Controllers.DTOs.Author;
+using Chapter = API.Schema.MangaContext.Chapter;
 using Link = API.Controllers.DTOs.Link;
 using Manga = API.Controllers.DTOs.Manga;
 
@@ -21,7 +24,7 @@ namespace API.Controllers;
 [ApiVersion(2)]
 [ApiController]
 [Route("v{v:apiVersion}/[controller]")]
-public class MangaController(MangaContext context) : Controller
+public class MangaController(MangaContext context, ActionsContext actionsContext) : Controller
 {
     
     /// <summary>
@@ -175,12 +178,7 @@ public class MangaController(MangaContext context) : Controller
 
         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))
+            return TypedResults.NotFound("Image not in cache");
-            {
-                Response.Headers.Append("Retry-After","2");
-                return TypedResults.StatusCode(Status503ServiceUnavailable);
-            }
-            return TypedResults.NoContent();
         }
         
         DateTime lastModified = data.fileInfo.LastWriteTime;
@@ -199,12 +197,17 @@ public class MangaController(MangaContext context) : Controller
     /// <param name="LibraryId"><see cref="DTOs.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>
+    /// <response code="500">Error during Database Operation</response>
     [HttpPost("{MangaId}/ChangeLibrary/{LibraryId}")]
     [ProducesResponseType(Status200OK)]
     [ProducesResponseType<string>(Status404NotFound, "text/plain")]
-    public async Task<Results<Ok, NotFound<string>>> ChangeLibrary(string MangaId, string LibraryId)
+    [ProducesResponseType<string>(Status500InternalServerError,  "text/plain")]
+    public async Task<Results<Ok, NotFound<string>, InternalServerError<string>>> ChangeLibrary(string MangaId, string LibraryId)
     {
-        if (await context.Mangas.FirstOrDefaultAsync(m => m.Key == MangaId, HttpContext.RequestAborted) is not { } manga)
+        if (await context.Mangas
+                .Include(m => m.Library)
+                .Include(m => m.Chapters)
+                .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));
@@ -212,9 +215,18 @@ public class MangaController(MangaContext context) : Controller
         if(manga.LibraryId == library.Key)
             return TypedResults.Ok();
 
-        MoveMangaLibraryWorker moveLibrary = new(manga, library);
+        Dictionary<Chapter, string?> oldPaths = manga.Chapters.Where(ch => ch.Downloaded).ToDictionary(ch => ch, ch => ch.FullArchiveFilePath);
+        manga.Library = library;
+        Dictionary<Chapter, string?> newPaths = oldPaths.ToDictionary(kv => kv.Key, kv => kv.Key.FullArchiveFilePath);
+        IEnumerable<MoveFileOrFolderWorker> workers = oldPaths.Select(kv => new MoveFileOrFolderWorker(newPaths[kv.Key]!, kv.Value!));
+        Tranga.AddWorkers(workers);
         
-        Tranga.AddWorkers([moveLibrary]);
+        if(await context.Sync(HttpContext.RequestAborted, GetType(), "Move Manga") is { success: false } mangaContextResult)
+            return TypedResults.InternalServerError(mangaContextResult.exceptionMessage);
+        
+        actionsContext.Actions.Add(new LibraryMovedActionRecord(manga, library));
+        if(await actionsContext.Sync(HttpContext.RequestAborted, GetType(), "Move Manga") is { success: false } actionsContextResult)
+            return TypedResults.InternalServerError(actionsContextResult.exceptionMessage);
         
         return TypedResults.Ok();
     }

API/Migrations/Actions/20251016005257_Actions.Designer.cs

@@ -0,0 +1,156 @@
+// <auto-generated />
+using System;
+using API.Schema.ActionsContext;
+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.Actions
+{
+    [DbContext(typeof(ActionsContext))]
+    [Migration("20251016005257_Actions")]
+    partial class Actions
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.9")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.ActionsContext.ActionRecord", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Action")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<DateTime>("PerformedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Actions");
+
+                    b.HasDiscriminator<string>("Action").HasValue("ActionRecord");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.ChapterDownloadedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("ChapterId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Chapter.Downloaded");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.ChaptersRetrievedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Manga.ChaptersRetrieved");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.CoverDownloadedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("Filename")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Manga.CoverDownloaded");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.DataMovedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("From")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<string>("To")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.HasDiscriminator().HasValue("Tranga.DataMoved");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.LibraryMovedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("FileLibraryId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Manga.LibraryMoved");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.MetadataUpdatedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MetadataFetcher")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.HasDiscriminator().HasValue("Manga.MetadataUpdated");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.StartupActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.HasDiscriminator().HasValue("Tranga.Started");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Migrations/Actions/20251016005257_Actions.cs

@@ -0,0 +1,42 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace API.Migrations.Actions
+{
+    /// <inheritdoc />
+    public partial class Actions : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Actions",
+                columns: table => new
+                {
+                    Key = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    Action = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false),
+                    PerformedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    ChapterId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true),
+                    MangaId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true),
+                    Filename = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: true),
+                    From = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: true),
+                    To = table.Column<string>(type: "character varying(2048)", maxLength: 2048, nullable: true),
+                    FileLibraryId = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: true),
+                    MetadataFetcher = table.Column<string>(type: "character varying(1024)", maxLength: 1024, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Actions", x => x.Key);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Actions");
+        }
+    }
+}

API/Migrations/Actions/ActionsContextModelSnapshot.cs

@@ -0,0 +1,153 @@
+// <auto-generated />
+using System;
+using API.Schema.ActionsContext;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace API.Migrations.Actions
+{
+    [DbContext(typeof(ActionsContext))]
+    partial class ActionsContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.9")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("API.Schema.ActionsContext.ActionRecord", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Action")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<DateTime>("PerformedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Actions");
+
+                    b.HasDiscriminator<string>("Action").HasValue("ActionRecord");
+
+                    b.UseTphMappingStrategy();
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.ChapterDownloadedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("ChapterId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Chapter.Downloaded");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.ChaptersRetrievedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Manga.ChaptersRetrieved");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.CoverDownloadedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("Filename")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Manga.CoverDownloaded");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.DataMovedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("From")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<string>("To")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.HasDiscriminator().HasValue("Tranga.DataMoved");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.LibraryMovedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("FileLibraryId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasDiscriminator().HasValue("Manga.LibraryMoved");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.MetadataUpdatedActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.Property<string>("MangaId")
+                        .IsRequired()
+                        .ValueGeneratedOnUpdateSometimes()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MetadataFetcher")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.HasDiscriminator().HasValue("Manga.MetadataUpdated");
+                });
+
+            modelBuilder.Entity("API.Schema.ActionsContext.Actions.StartupActionRecord", b =>
+                {
+                    b.HasBaseType("API.Schema.ActionsContext.ActionRecord");
+
+                    b.HasDiscriminator().HasValue("Tranga.Started");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

API/Program.cs

@@ -1,5 +1,7 @@
 using System.Reflection;
 using API;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
 using API.Schema.LibraryContext;
 using API.Schema.MangaContext;
 using API.Schema.NotificationsContext;
@@ -92,6 +94,8 @@ builder.Services.AddDbContext<NotificationsContext>(options =>
     options.UseNpgsql(connectionStringBuilder.ConnectionString));
 builder.Services.AddDbContext<LibraryContext>(options =>
     options.UseNpgsql(connectionStringBuilder.ConnectionString));
+builder.Services.AddDbContext<ActionsContext>(options =>
+    options.UseNpgsql(connectionStringBuilder.ConnectionString));
 
 builder.Services.Configure<Microsoft.AspNetCore.Http.Json.JsonOptions>(options =>
 {
@@ -180,6 +184,15 @@ try //Connect to DB and apply migrations
 
         await context.Sync(CancellationToken.None, reason: "Startup library");
     }
+
+    using (IServiceScope scope = app.Services.CreateScope())
+    {
+        ActionsContext context = scope.ServiceProvider.GetRequiredService<ActionsContext>();
+        await context.Database.MigrateAsync(CancellationToken.None);
+        context.Actions.Add(new StartupActionRecord());
+
+        await context.Sync(CancellationToken.None, reason: "Startup actions");
+    }
 }
 catch (Exception e)
 {

API/Schema/ActionsContext/ActionRecord.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.ActionsContext;
+
+[PrimaryKey("Key")]
+public abstract class ActionRecord(string action, DateTime performedAt) : Identifiable
+{
+    /// <summary>
+    /// Constant string that describes the performed Action
+    /// </summary>
+    [StringLength(128)]
+    public string Action { get; init; } = action;
+    
+    /// <summary>
+    /// UTC Time when Action was performed
+    /// </summary>
+    public DateTime PerformedAt { get; init; } = performedAt;
+}

API/Schema/ActionsContext/Actions/ChapterDownloadedActionRecord.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+using API.Schema.MangaContext;
+
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class ChapterDownloadedActionRecord(string action, DateTime performedAt, string chapterId) : ActionRecord(action, performedAt)
+{
+    public ChapterDownloadedActionRecord(Chapter chapter) : this(ChapterDownloadedAction, DateTime.UtcNow, chapter.Key) { }
+
+    /// <summary>
+    /// Chapter that was downloaded
+    /// </summary>
+    [StringLength(64)]
+    public string ChapterId { get; init; } = chapterId;
+
+    public const string ChapterDownloadedAction = "Chapter.Downloaded";
+}

API/Schema/ActionsContext/Actions/ChaptersRetrievedActionRecord.cs

@@ -0,0 +1,12 @@
+using API.Schema.ActionsContext.Actions.Generic;
+using API.Schema.MangaContext;
+
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class ChaptersRetrievedActionRecord(string action, DateTime performedAt, string mangaId)
+    : ActionWithMangaRecord(action, performedAt, mangaId)
+{
+    public ChaptersRetrievedActionRecord(Manga manga) : this(ChaptersRetrievedAction, DateTime.UtcNow, manga.Key) { }
+
+    public const string ChaptersRetrievedAction = "Manga.ChaptersRetrieved";
+}

API/Schema/ActionsContext/Actions/CoverDownloadedActionRecord.cs

@@ -0,0 +1,19 @@
+using System.ComponentModel.DataAnnotations;
+using API.Schema.ActionsContext.Actions.Generic;
+using API.Schema.MangaContext;
+
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class CoverDownloadedActionRecord(string action, DateTime performedAt, string mangaId, string filename)
+    : ActionWithMangaRecord(action, performedAt, mangaId)
+{
+    public CoverDownloadedActionRecord(Manga manga, string filename) : this(CoverDownloadedAction, DateTime.UtcNow, manga.Key, filename) { }
+
+    /// <summary>
+    /// Filename on disk
+    /// </summary>
+    [StringLength(1024)]
+    public string Filename { get; init; } = filename;
+
+    public const string CoverDownloadedAction = "Manga.CoverDownloaded";
+}

API/Schema/ActionsContext/Actions/DataMovedActionRecord.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class DataMovedActionRecord(string action, DateTime performedAt, string from, string to) : ActionRecord(action, performedAt)
+{
+    public DataMovedActionRecord(string from, string to) : this(DataMovedAction, DateTime.UtcNow, from, to) { }
+    
+    /// <summary>
+    /// From path
+    /// </summary>
+    [StringLength(2048)]
+    public string From { get; init; } = from;
+    
+    /// <summary>
+    /// To path
+    /// </summary>
+    [StringLength(2048)]
+    public string To { get; init; } = to;
+    
+    public const string DataMovedAction = "Tranga.DataMoved";
+}

API/Schema/ActionsContext/Actions/Generic/ActionWithMangaRecord.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+using API.Schema.MangaContext;
+
+namespace API.Schema.ActionsContext.Actions.Generic;
+
+public abstract class ActionWithMangaRecord(string action, DateTime performedAt, string mangaId) : ActionRecord(action, performedAt)
+{
+    protected ActionWithMangaRecord(string action, DateTime performedAt, Manga manga) : this(action, performedAt, manga.Key) { }
+    
+    /// <summary>
+    /// <see cref="Schema.MangaContext.Manga"/> for which the cover was downloaded
+    /// </summary>
+    [StringLength(64)]
+    public string MangaId { get; init; } = mangaId;
+}

API/Schema/ActionsContext/Actions/LibraryMovedActionRecord.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+using API.Schema.ActionsContext.Actions.Generic;
+using API.Schema.MangaContext;
+
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class LibraryMovedActionRecord(string action, DateTime performedAt, string mangaId, string fileLibraryId) : ActionWithMangaRecord(action, performedAt, mangaId)
+{
+    public LibraryMovedActionRecord(Manga manga, FileLibrary library) : this(LibraryMovedAction, DateTime.UtcNow, manga.Key, library.Key) { }
+    
+    /// <summary>
+    /// <see cref="Schema.MangaContext.FileLibrary"/> for which the cover was downloaded
+    /// </summary>
+    [StringLength(64)]
+    public string FileLibraryId { get; init; } = fileLibraryId;
+    
+    public const string LibraryMovedAction = "Manga.LibraryMoved";
+}

API/Schema/ActionsContext/Actions/MetadataUpdatedActionRecord.cs

@@ -0,0 +1,20 @@
+using System.ComponentModel.DataAnnotations;
+using API.Schema.ActionsContext.Actions.Generic;
+using API.Schema.MangaContext;
+using API.Schema.MangaContext.MetadataFetchers;
+
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class MetadataUpdatedActionRecord(string action, DateTime performedAt, string mangaId, string metadataFetcher)
+    : ActionWithMangaRecord(action, performedAt, mangaId)
+{
+    public MetadataUpdatedActionRecord(Manga manga, MetadataFetcher fetcher) : this(MetadataUpdatedAction, DateTime.UtcNow, manga.Key, fetcher.Name) { }
+
+    /// <summary>
+    /// Filename on disk
+    /// </summary>
+    [StringLength(1024)]
+    public string MetadataFetcher { get; init; } = metadataFetcher;
+
+    public const string MetadataUpdatedAction = "Manga.MetadataUpdated";
+}

API/Schema/ActionsContext/Actions/StartupActionRecord.cs

@@ -0,0 +1,8 @@
+namespace API.Schema.ActionsContext.Actions;
+
+public sealed class StartupActionRecord(string action, DateTime performedAt) : ActionRecord(action, performedAt)
+{
+    public StartupActionRecord() : this(StartupAction, DateTime.UtcNow) { }
+    
+    public const string StartupAction = "Tranga.Started";
+}

API/Schema/ActionsContext/ActionsContext.cs

@@ -0,0 +1,22 @@
+using API.Schema.ActionsContext.Actions;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Schema.ActionsContext;
+
+public class ActionsContext(DbContextOptions<ActionsContext> options) : TrangaBaseContext<ActionsContext>(options)
+{
+    public DbSet<ActionRecord> Actions  { get; set; }
+    
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<ActionRecord>()
+            .HasDiscriminator(a => a.Action)
+            .HasValue<ChapterDownloadedActionRecord>(ChapterDownloadedActionRecord.ChapterDownloadedAction)
+            .HasValue<CoverDownloadedActionRecord>(CoverDownloadedActionRecord.CoverDownloadedAction)
+            .HasValue<ChaptersRetrievedActionRecord>(ChaptersRetrievedActionRecord.ChaptersRetrievedAction)
+            .HasValue<MetadataUpdatedActionRecord>(MetadataUpdatedActionRecord.MetadataUpdatedAction)
+            .HasValue<DataMovedActionRecord>(DataMovedActionRecord.DataMovedAction)
+            .HasValue<LibraryMovedActionRecord>(LibraryMovedActionRecord.LibraryMovedAction)
+            .HasValue<StartupActionRecord>(StartupActionRecord.StartupAction);
+    }
+}

API/Tranga.cs

@@ -2,10 +2,8 @@
 using System.Diagnostics.CodeAnalysis;
 using API.MangaConnectors;
 using API.MangaDownloadClients;
-using API.Schema.LibraryContext;
 using API.Schema.MangaContext;
 using API.Schema.MangaContext.MetadataFetchers;
-using API.Schema.NotificationsContext;
 using API.Workers;
 using API.Workers.MangaDownloadWorkers;
 using API.Workers.PeriodicWorkers;
@@ -146,21 +144,15 @@ public static class Tranga
             Log.Warn($"{worker}: Max worker concurrency reached ({Settings.MaxConcurrentWorkers})! Waiting {Settings.WorkCycleTimeoutMs}ms...");
             Thread.Sleep(Settings.WorkCycleTimeoutMs);
         }
-        
+
-        if (worker is BaseWorkerWithContext<MangaContext> mangaContextWorker)
+        if (worker is BaseWorkerWithContexts withContexts)
         {
-            mangaContextWorker.SetScope(ServiceProvider.CreateScope());
+            RunningWorkers.TryAdd(withContexts, withContexts.DoWork(ServiceProvider.CreateScope(), afterWorkCallback));
-            RunningWorkers.TryAdd(mangaContextWorker, mangaContextWorker.DoWork(afterWorkCallback));
+        }
-        }else if (worker is BaseWorkerWithContext<NotificationsContext> notificationContextWorker)
+        else
         {
-            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 DefaultAfterWork(BaseWorker worker, Action? callback = null) => () =>

API/Workers/BaseWorkerWithContext.cs

@@ -1,24 +0,0 @@
-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();
-    }
-}

API/Workers/BaseWorkerWithContexts.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Workers;
+
+public abstract class BaseWorkerWithContexts(IEnumerable<BaseWorker>? dependsOn = null) : BaseWorker(dependsOn)
+{
+    /// <summary>
+    /// Returns the context of requested type <typeparamref name="T"/>
+    /// </summary>
+    /// <param name="scope"></param>
+    /// <typeparam name="T">Type of <see cref="DbContext"/></typeparam>
+    /// <returns>Context in scope</returns>
+    /// <exception cref="Exception">Scope not set</exception>
+    protected T GetContext<T>(IServiceScope scope) where T : DbContext
+    {
+        if (scope is not { } serviceScope)
+            throw new Exception("Scope not set!");
+        return serviceScope.ServiceProvider.GetRequiredService<T>();
+    }
+
+    protected abstract void SetContexts(IServiceScope serviceScope);
+    
+    public new Task<BaseWorker[]> DoWork(IServiceScope serviceScope, Action? callback = null)
+    {
+        SetContexts(serviceScope);
+        return base.DoWork(callback);
+    }
+}

API/Workers/MangaDownloadWorkers/DownloadChapterFromMangaconnectorWorker.cs

@@ -1,8 +1,10 @@
+using System.Diagnostics.CodeAnalysis;
 using System.IO.Compression;
 using System.Runtime.InteropServices;
 using System.Text;
 using API.MangaConnectors;
-using API.MangaDownloadClients;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
 using API.Schema.MangaContext;
 using API.Workers.PeriodicWorkers;
 using Microsoft.EntityFrameworkCore;
@@ -21,14 +23,26 @@ namespace API.Workers.MangaDownloadWorkers;
 /// <param name="chId"></param>
 /// <param name="dependsOn"></param>
 public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> chId, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn)
+    : BaseWorkerWithContexts(dependsOn)
 {
     private readonly string _mangaConnectorIdId = chId.Key;
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private ActionsContext ActionsContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+        ActionsContext = GetContext<ActionsContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug($"Downloading chapter for MangaConnectorId {_mangaConnectorIdId}...");
         // Getting MangaConnector info
-        if (await DbContext.MangaConnectorToChapter
+        if (await MangaContext.MangaConnectorToChapter
                 .Include(id => id.Obj)
                 .ThenInclude(c => c.ParentManga)
                 .ThenInclude(m => m.Library)
@@ -39,7 +53,7 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
         }
         
         // Check if Chapter already exists...
-        if (await mangaConnectorId.Obj.CheckDownloaded(DbContext, CancellationToken))
+        if (await mangaConnectorId.Obj.CheckDownloaded(MangaContext, CancellationToken))
         {
             Log.Warn("Chapter already exists!");
             return [];
@@ -66,7 +80,7 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
         {
             Log.Info($"No imageUrls for chapter {chapter}");
             mangaConnectorId.UseForDownload = false; // Do not try to download from this again
-            if(await DbContext.Sync(CancellationToken, GetType(), "Disable Id") is { success: false } result)
+            if(await MangaContext.Sync(CancellationToken, GetType(), "Disable Id") is { success: false } result)
                 Log.Error(result.exceptionMessage);
             return [];
         }
@@ -121,7 +135,7 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
         await CopyCoverFromCacheToDownloadLocation(chapter.ParentManga);
         
         Log.Debug($"Loading collections {chapter}");
-        foreach (CollectionEntry collectionEntry in DbContext.Entry(chapter.ParentManga).Collections)
+        foreach (CollectionEntry collectionEntry in MangaContext.Entry(chapter.ParentManga).Collections)
             await collectionEntry.LoadAsync(CancellationToken);
 
         if (File.Exists(saveArchiveFilePath))
@@ -173,11 +187,15 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
 
         chapter.Downloaded = true;
         chapter.FileName = new FileInfo(saveArchiveFilePath).Name;
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await MangaContext.Sync(CancellationToken, GetType(), "Downloading complete") is { success: false } chapterContextException)
-            Log.Error($"Failed to save database changes: {e.exceptionMessage}");
+            Log.Error($"Failed to save database changes: {chapterContextException.exceptionMessage}");
         
         Log.Debug($"Downloaded chapter {chapter}.");
 
+        ActionsContext.Actions.Add(new ChapterDownloadedActionRecord(chapter));
+        if(await ActionsContext.Sync(CancellationToken, GetType(), "Download complete") is { success: false } actionsContextException)
+            Log.Error($"Failed to save database changes: {actionsContextException.exceptionMessage}");
+
         bool refreshLibrary = await CheckLibraryRefresh();
         if(refreshLibrary)
             Log.Info($"Condition {Tranga.Settings.LibraryRefreshSetting} met.");
@@ -188,12 +206,12 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
     private async Task<bool> CheckLibraryRefresh() => Tranga.Settings.LibraryRefreshSetting switch
     {
         LibraryRefreshSetting.AfterAllFinished => await AllDownloadsFinished(),
-        LibraryRefreshSetting.AfterMangaFinished => await DbContext.MangaConnectorToChapter.Include(chId => chId.Obj).Where(chId => chId.UseForDownload).AllAsync(chId => chId.Obj.Downloaded, CancellationToken),
+        LibraryRefreshSetting.AfterMangaFinished => await MangaContext.MangaConnectorToChapter.Include(chId => chId.Obj).Where(chId => chId.UseForDownload).AllAsync(chId => chId.Obj.Downloaded, CancellationToken),
         LibraryRefreshSetting.AfterEveryChapter => true,
         LibraryRefreshSetting.WhileDownloading => await AllDownloadsFinished() ||  DateTime.UtcNow.Subtract(RefreshLibrariesWorker.LastRefresh).TotalMinutes > Tranga.Settings.RefreshLibraryWhileDownloadingEveryMinutes,
         _ => true
     };
-    private async Task<bool> AllDownloadsFinished() => (await StartNewChapterDownloadsWorker.GetMissingChapters(DbContext, CancellationToken)).Count == 0;
+    private async Task<bool> AllDownloadsFinished() => (await StartNewChapterDownloadsWorker.GetMissingChapters(MangaContext, CancellationToken)).Count == 0;
     
     private async Task<Stream> ProcessImage(Stream imageStream, CancellationToken? cancellationToken = null)
     {
@@ -244,7 +262,7 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
     {
         Log.Debug($"Copying cover for {manga}");
 
-        manga = await DbContext.MangaIncludeAll().FirstAsync(m => m.Key == manga.Key, CancellationToken);
+        manga = await MangaContext.MangaIncludeAll().FirstAsync(m => m.Key == manga.Key, CancellationToken);
         string publicationFolder;
         try
         {
@@ -278,7 +296,7 @@ public class DownloadChapterFromMangaconnectorWorker(MangaConnectorId<Chapter> c
             
             coverFileNameInCache = mangaConnector.SaveCoverImageToCache(mangaConnectorId);
             manga.CoverFileNameInCache = coverFileNameInCache;
-            if (await DbContext.Sync(CancellationToken, reason: "Update cover filename") is { success: false } result)
+            if (await MangaContext.Sync(CancellationToken, reason: "Update cover filename") is { success: false } result)
                 Log.Error($"Couldn't update cover filename {result.exceptionMessage}");
         }
         if (coverFileNameInCache is null)

API/Workers/MangaDownloadWorkers/DownloadCoverFromMangaconnectorWorker.cs

@@ -1,4 +1,7 @@
+using System.Diagnostics.CodeAnalysis;
 using API.MangaConnectors;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
 using API.Schema.MangaContext;
 using Microsoft.EntityFrameworkCore;
 
@@ -8,16 +11,28 @@ namespace API.Workers.MangaDownloadWorkers;
 /// Downloads the cover for Manga from Mangaconnector
 /// </summary>
 public class DownloadCoverFromMangaconnectorWorker(MangaConnectorId<Manga> mcId, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn)
+    : BaseWorkerWithContexts(dependsOn)
 {
-    internal readonly string MangaConnectorIdId = mcId.Key;
+    private readonly string _mangaConnectorIdId = mcId.Key;
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private ActionsContext ActionsContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+        ActionsContext = GetContext<ActionsContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
-        Log.Debug($"Getting Cover for MangaConnectorId {MangaConnectorIdId}...");
+        Log.Debug($"Getting Cover for MangaConnectorId {_mangaConnectorIdId}...");
         // Getting MangaConnector info
-        if (await DbContext.MangaConnectorToManga
+        if (await MangaContext.MangaConnectorToManga
                 .Include(id => id.Obj)
-                .FirstOrDefaultAsync(c => c.Key == MangaConnectorIdId, CancellationToken) is not { } mangaConnectorId)
+                .FirstOrDefaultAsync(c => c.Key == _mangaConnectorIdId, CancellationToken) is not { } mangaConnectorId)
         {
             Log.Error("Could not get MangaConnectorId.");
             return []; //TODO Exception?
@@ -35,13 +50,17 @@ public class DownloadCoverFromMangaconnectorWorker(MangaConnectorId<Manga> mcId,
             Log.Error($"Could not get Cover for MangaConnectorId {mangaConnectorId}.");
             return [];
         }
-        DbContext.Entry(mangaConnectorId.Obj).Property(m => m.CoverFileNameInCache).CurrentValue = coverFileName;
+        MangaContext.Entry(mangaConnectorId.Obj).Property(m => m.CoverFileNameInCache).CurrentValue = coverFileName;
 
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await MangaContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } mangaContextException)
-            Log.Error($"Failed to save database changes: {e.exceptionMessage}");
+            Log.Error($"Failed to save database changes: {mangaContextException.exceptionMessage}");
+        
+        ActionsContext.Actions.Add(new CoverDownloadedActionRecord(mcId.Obj, coverFileName));
+        if(await MangaContext.Sync(CancellationToken, GetType(), "Download complete") is { success: false } actionsContextException)
+            Log.Error($"Failed to save database changes: {actionsContextException.exceptionMessage}");
         
         return [];
     }
     
-    public override string ToString() => $"{base.ToString()} {MangaConnectorIdId}";
+    public override string ToString() => $"{base.ToString()} {_mangaConnectorIdId}";
 }

API/Workers/MangaDownloadWorkers/RetrieveMangaChaptersFromMangaconnectorWorker.cs

@@ -1,4 +1,7 @@
+using System.Diagnostics.CodeAnalysis;
 using API.MangaConnectors;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
 using API.Schema.MangaContext;
 using Microsoft.EntityFrameworkCore;
 
@@ -11,18 +14,30 @@ namespace API.Workers.MangaDownloadWorkers;
 /// <param name="language"></param>
 /// <param name="dependsOn"></param>
 public class RetrieveMangaChaptersFromMangaconnectorWorker(MangaConnectorId<Manga> mcId, string language, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn)
+    : BaseWorkerWithContexts(dependsOn)
 {
-    internal readonly string MangaConnectorIdId = mcId.Key;
+    private readonly string _mangaConnectorIdId = mcId.Key;
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private ActionsContext ActionsContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+        ActionsContext = GetContext<ActionsContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
-        Log.Debug($"Getting Chapters for MangaConnectorId {MangaConnectorIdId}...");
+        Log.Debug($"Getting Chapters for MangaConnectorId {_mangaConnectorIdId}...");
         // Getting MangaConnector info
-        if (await DbContext.MangaConnectorToManga
+        if (await MangaContext.MangaConnectorToManga
                 .Include(id => id.Obj)
                 .ThenInclude(m => m.Chapters)
                 .ThenInclude(ch => ch.MangaConnectorIds)
-                .FirstOrDefaultAsync(c => c.Key == MangaConnectorIdId, CancellationToken) is not { } mangaConnectorId)
+                .FirstOrDefaultAsync(c => c.Key == _mangaConnectorIdId, CancellationToken) is not { } mangaConnectorId)
         {
             Log.Error("Could not get MangaConnectorId.");
             return []; //TODO Exception?
@@ -62,7 +77,7 @@ public class RetrieveMangaChaptersFromMangaconnectorWorker(MangaConnectorId<Mang
         Log.Debug($"Got {newIds.Count} new download-Ids.");
         
         // Add new ChapterIds to Database
-        DbContext.MangaConnectorToChapter.AddRange(newIds);
+        MangaContext.MangaConnectorToChapter.AddRange(newIds);
 
         // If Manga is marked for Download from Connector, mark the new Chapters as UseForDownload
         if (mangaConnectorId.UseForDownload)
@@ -73,11 +88,15 @@ public class RetrieveMangaChaptersFromMangaconnectorWorker(MangaConnectorId<Mang
             }
         }
 
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await MangaContext.Sync(CancellationToken, GetType(), "Chapters retrieved") is { success: false } mangaContextException)
-            Log.Error($"Failed to save database changes: {e.exceptionMessage}");
+            Log.Error($"Failed to save database changes: {mangaContextException.exceptionMessage}");
+
+        ActionsContext.Actions.Add(new ChaptersRetrievedActionRecord(manga));
+        if(await MangaContext.Sync(CancellationToken, GetType(), "Chapters retrieved") is { success: false } actionsContextException)
+            Log.Error($"Failed to save database changes: {actionsContextException.exceptionMessage}");
 
         return [];
     }
 
-    public override string ToString() => $"{base.ToString()} {MangaConnectorIdId}";
+    public override string ToString() => $"{base.ToString()} {_mangaConnectorIdId}";
 }

API/Workers/MoveFileOrFolderWorker.cs

@@ -1,12 +1,24 @@
+using System.Diagnostics.CodeAnalysis;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
+
 namespace API.Workers;
 
 public class MoveFileOrFolderWorker(string toLocation, string fromLocation, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorker(dependsOn)
+    : BaseWorkerWithContexts(dependsOn)
 {
     public readonly string FromLocation = fromLocation;
     public readonly string ToLocation = toLocation;
+    
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private ActionsContext ActionsContext = null!;
 
-    protected override Task<BaseWorker[]> DoWorkInternal()
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        ActionsContext = GetContext<ActionsContext>(serviceScope);
+    }
+
+    protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         try
         {
@@ -14,13 +26,13 @@ public class MoveFileOrFolderWorker(string toLocation, string fromLocation, IEnu
             if (!fi.Exists)
             {
                 Log.Error($"File does not exist at {FromLocation}");
-                return new Task<BaseWorker[]>(() => []);
+                return [];
             }
 
             if (File.Exists(ToLocation))//Do not override existing
             {
                 Log.Error($"File already exists at {ToLocation}");
-                return new Task<BaseWorker[]>(() => []);
+                return [];
             } 
             if(fi.Attributes.HasFlag(FileAttributes.Directory))
                 MoveDirectory(fi, ToLocation);
@@ -32,7 +44,11 @@ public class MoveFileOrFolderWorker(string toLocation, string fromLocation, IEnu
             Log.Error(e);
         }
 
-        return new Task<BaseWorker[]>(() => []);
+        ActionsContext.Actions.Add(new DataMovedActionRecord(FromLocation, ToLocation));
+        if(await ActionsContext.Sync(CancellationToken, GetType(), "Library Moved") is { success: false } actionsContextException)
+            Log.Error($"Failed to save database changes: {actionsContextException.exceptionMessage}");
+
+        return [];
     }
 
     private void MoveDirectory(FileInfo from, string toLocation)

API/Workers/MoveMangaLibraryWorker.cs

@@ -1,47 +0,0 @@
-using API.Schema.MangaContext;
-using Microsoft.EntityFrameworkCore;
-
-namespace API.Workers;
-
-/// <summary>
-/// Moves a Manga to a different Library
-/// </summary>
-public class MoveMangaLibraryWorker(Manga manga, FileLibrary toLibrary, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn)
-{
-    internal readonly string MangaId = manga.Key;
-    internal readonly string LibraryId = toLibrary.Key;
-    protected override async Task<BaseWorker[]> DoWorkInternal()
-    {
-        Log.Debug("Moving Manga...");
-        // Get Manga (with and Library)
-        if (await DbContext.Mangas
-                .Include(m => m.Library)
-                .Include(m => m.Chapters)
-                .FirstOrDefaultAsync(m => m.Key == MangaId, CancellationToken) is not { } manga)
-        {
-            Log.Error("Could not find Manga.");
-            return [];
-        }
-        
-        // Get new Library
-        if (await DbContext.FileLibraries.FirstOrDefaultAsync(l => l.Key == LibraryId, CancellationToken) is not { } toLibrary)
-        {
-            Log.Error("Could not find Library.");
-            return [];
-        }
-        
-        // Save old Path (to later move chapters)
-        Dictionary<string, string> oldPath = manga.Chapters.Where(c => c.FileName != null).ToDictionary(c => c.Key, c => c.FullArchiveFilePath)!;
-        // Set new Path
-        manga.Library = toLibrary;
-        
-        if (await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false })
-            return [];
-
-        // Create Jobs to move chapters from old to new Path
-        return oldPath.Select(kv => new MoveFileOrFolderWorker(manga.Chapters.First(ch => ch.Key == kv.Key).FullArchiveFilePath!, kv.Value)).ToArray<BaseWorker>();
-    }
-
-    public override string ToString() => $"{base.ToString()} {MangaId} {LibraryId}";
-}

API/Workers/PeriodicWorkers/CheckForNewChaptersWorker.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.MangaContext;
 using API.Workers.MangaDownloadWorkers;
 using Microsoft.EntityFrameworkCore;
@@ -8,15 +9,23 @@ namespace API.Workers.PeriodicWorkers;
 /// Creates Jobs to update available Chapters for all Manga that are marked for Download
 /// </summary>
 public class CheckForNewChaptersWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval??TimeSpan.FromMinutes(60);
     
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Checking for new chapters...");
-        List<MangaConnectorId<Manga>> connectorIdsManga = await DbContext.MangaConnectorToManga
+        List<MangaConnectorId<Manga>> connectorIdsManga = await MangaContext.MangaConnectorToManga
             .Include(id => id.Obj)
             .Where(id => id.UseForDownload)
             .ToListAsync(CancellationToken);
@@ -27,5 +36,4 @@ public class CheckForNewChaptersWorker(TimeSpan? interval = null, IEnumerable<Ba
 
         return newWorkers.ToArray();
     }
-
 }

API/Workers/PeriodicWorkers/MaintenanceWorkers/CleanupMangaCoversWorker.cs

@@ -1,18 +1,27 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.MangaContext;
 using Microsoft.EntityFrameworkCore;
 
 namespace API.Workers.PeriodicWorkers.MaintenanceWorkers;
 
 public class CleanupMangaCoversWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval ?? TimeSpan.FromHours(24);
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+    }
     
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Info("Removing stale files...");
-        string[] usedFiles = await DbContext.Mangas.Where(m => m.CoverFileNameInCache != null).Select(m => m.CoverFileNameInCache!).ToArrayAsync(CancellationToken);
+        string[] usedFiles = await MangaContext.Mangas.Where(m => m.CoverFileNameInCache != null).Select(m => m.CoverFileNameInCache!).ToArrayAsync(CancellationToken);
         CleanupImageCache(usedFiles, TrangaSettings.CoverImageCacheOriginal);
         CleanupImageCache(usedFiles, TrangaSettings.CoverImageCacheLarge);
         CleanupImageCache(usedFiles, TrangaSettings.CoverImageCacheMedium);

API/Workers/PeriodicWorkers/MaintenanceWorkers/CleanupMangaconnectorIdsWithoutConnector.cs

@@ -1,29 +1,37 @@
-using System.Text;
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.MangaContext;
 using Microsoft.EntityFrameworkCore;
 
 namespace API.Workers.PeriodicWorkers.MaintenanceWorkers;
 
-public class CleanupMangaconnectorIdsWithoutConnector : BaseWorkerWithContext<MangaContext>
+public class CleanupMangaconnectorIdsWithoutConnector : BaseWorkerWithContexts
 {
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Info("Cleaning up old connector-data");
         string[] connectorNames = Tranga.MangaConnectors.Select(c => c.Name).ToArray();
-        int deletedChapterIds = await DbContext.MangaConnectorToChapter.Where(chId => connectorNames.All(n => n != chId.MangaConnectorName)).ExecuteDeleteAsync(CancellationToken);
+        int deletedChapterIds = await MangaContext.MangaConnectorToChapter.Where(chId => connectorNames.All(n => n != chId.MangaConnectorName)).ExecuteDeleteAsync(CancellationToken);
         Log.Info($"Deleted {deletedChapterIds} chapterIds.");
         
         // Manga without Connector get printed to file, to not lose data...
-        if (await DbContext.MangaConnectorToManga.Include(id => id.Obj) .Where(mcId => connectorNames.All(name => name != mcId.MangaConnectorName)).ToListAsync() is { Count: > 0 } list)
+        if (await MangaContext.MangaConnectorToManga.Include(id => id.Obj) .Where(mcId => connectorNames.All(name => name != mcId.MangaConnectorName)).ToListAsync() is { Count: > 0 } list)
         {
             string filePath = Path.Join(TrangaSettings.WorkingDirectory, $"deletedManga-{DateTime.UtcNow.Ticks}.txt");
             Log.Debug($"Writing deleted manga to {filePath}.");
             await File.WriteAllLinesAsync(filePath, list.Select(id => string.Join('-', id.MangaConnectorName, id.IdOnConnectorSite, id.Obj.Name, id.WebsiteUrl)), CancellationToken);
         }
-        int deletedMangaIds = await DbContext.MangaConnectorToManga.Where(mcId => connectorNames.All(name => name != mcId.MangaConnectorName)).ExecuteDeleteAsync(CancellationToken);
+        int deletedMangaIds = await MangaContext.MangaConnectorToManga.Where(mcId => connectorNames.All(name => name != mcId.MangaConnectorName)).ExecuteDeleteAsync(CancellationToken);
         Log.Info($"Deleted {deletedMangaIds} mangaIds.");
         
-        await DbContext.SaveChangesAsync(CancellationToken);
+        await MangaContext.SaveChangesAsync(CancellationToken);
         return [];
     }
 }

API/Workers/PeriodicWorkers/MaintenanceWorkers/RemoveOldNotificationsWorker.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.NotificationsContext;
 using Microsoft.EntityFrameworkCore;
 
@@ -7,18 +8,26 @@ namespace API.Workers.PeriodicWorkers.MaintenanceWorkers;
 /// Removes sent notifications from database
 /// </summary>
 public class RemoveOldNotificationsWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<NotificationsContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval ??  TimeSpan.FromHours(1);
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private NotificationsContext NotificationsContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        NotificationsContext = GetContext<NotificationsContext>(serviceScope);
+    }
     
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Removing old notifications...");
-        int removed = await DbContext.Notifications.Where(n => n.IsSent).ExecuteDeleteAsync(CancellationToken);
+        int removed = await NotificationsContext.Notifications.Where(n => n.IsSent).ExecuteDeleteAsync(CancellationToken);
         Log.Debug($"Removed {removed} old notifications...");
         
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await NotificationsContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
             Log.Error($"Failed to save database changes: {e.exceptionMessage}");
         
         return [];

API/Workers/PeriodicWorkers/SendNotificationsWorker.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.NotificationsContext;
 using API.Schema.NotificationsContext.NotificationConnectors;
 using Microsoft.EntityFrameworkCore;
@@ -10,15 +11,24 @@ namespace API.Workers.PeriodicWorkers;
 /// <param name="interval"></param>
 /// <param name="dependsOn"></param>
 public class SendNotificationsWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<NotificationsContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval??TimeSpan.FromMinutes(1);
+    
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private NotificationsContext NotificationsContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        NotificationsContext = GetContext<NotificationsContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Sending notifications...");
-        List<NotificationConnector> connectors = await DbContext.NotificationConnectors.ToListAsync(CancellationToken);
+        List<NotificationConnector> connectors = await NotificationsContext.NotificationConnectors.ToListAsync(CancellationToken);
-        List<Notification> unsentNotifications = await DbContext.Notifications.Where(n => n.IsSent == false).ToListAsync(CancellationToken);
+        List<Notification> unsentNotifications = await NotificationsContext.Notifications.Where(n => n.IsSent == false).ToListAsync(CancellationToken);
         
         Log.Debug($"Sending {unsentNotifications.Count} notifications to {connectors.Count} connectors...");
         
@@ -27,16 +37,15 @@ public class SendNotificationsWorker(TimeSpan? interval = null, IEnumerable<Base
             connectors.ForEach(connector =>
             {
                 connector.SendNotification(notification.Title, notification.Message);
-                DbContext.Entry(notification).Property(n => n.IsSent).CurrentValue = true;
+                NotificationsContext.Entry(notification).Property(n => n.IsSent).CurrentValue = true;
             });
         });
         
         Log.Debug("Notifications sent.");
         
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await NotificationsContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
             Log.Error($"Failed to save database changes: {e.exceptionMessage}");
             
         return [];
     }
-
 }

API/Workers/PeriodicWorkers/StartNewChapterDownloadsWorker.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.MangaContext;
 using API.Workers.MangaDownloadWorkers;
 using Microsoft.EntityFrameworkCore;
@@ -8,17 +9,26 @@ namespace API.Workers.PeriodicWorkers;
 /// Create new Workers for Chapters on Manga marked for Download, that havent been downloaded yet.
 /// </summary>
 public class StartNewChapterDownloadsWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
 
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval ?? TimeSpan.FromMinutes(1);
+    
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Checking for missing chapters...");
         
         // Get missing chapters
-        List<MangaConnectorId<Chapter>> missingChapters = await GetMissingChapters(DbContext, CancellationToken);
+        List<MangaConnectorId<Chapter>> missingChapters = await GetMissingChapters(MangaContext, CancellationToken);
         
         Log.Debug($"Found {missingChapters.Count} missing downloads.");
         

API/Workers/PeriodicWorkers/UpdateChaptersDownloadedWorker.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.MangaContext;
 using Microsoft.EntityFrameworkCore;
 
@@ -7,20 +8,29 @@ namespace API.Workers.PeriodicWorkers;
 /// Updates the database to reflect changes made on disk
 /// </summary>
 public class UpdateChaptersDownloadedWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval??TimeSpan.FromDays(1);
+    
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Checking chapter files...");
-        List<Chapter> chapters = await DbContext.Chapters.ToListAsync(CancellationToken);
+        List<Chapter> chapters = await MangaContext.Chapters.ToListAsync(CancellationToken);
         Log.Debug($"Checking {chapters.Count} chapters...");
         foreach (Chapter chapter in chapters)
         {
             try
             {
-                chapter.Downloaded = await chapter.CheckDownloaded(DbContext, CancellationToken);
+                chapter.Downloaded = await chapter.CheckDownloaded(MangaContext, CancellationToken);
             }
             catch (Exception exception)
             {
@@ -28,7 +38,7 @@ public class UpdateChaptersDownloadedWorker(TimeSpan? interval = null, IEnumerab
             }
         }
 
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await MangaContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
             Log.Error($"Failed to save database changes: {e.exceptionMessage}");
         
         return [];

API/Workers/PeriodicWorkers/UpdateCoversWorker.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.MangaContext;
 using API.Workers.MangaDownloadWorkers;
 using Microsoft.EntityFrameworkCore;
@@ -10,15 +11,22 @@ namespace API.Workers.PeriodicWorkers;
 /// <param name="interval"></param>
 /// <param name="dependsOn"></param>
 public class UpdateCoversWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
-
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval ?? TimeSpan.FromHours(6);
     
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
-        List<MangaConnectorId<Manga>> manga = await DbContext.MangaConnectorToManga.Where(mcId => mcId.UseForDownload).ToListAsync(CancellationToken);
+        List<MangaConnectorId<Manga>> manga = await MangaContext.MangaConnectorToManga.Where(mcId => mcId.UseForDownload).ToListAsync(CancellationToken);
         List<BaseWorker> newWorkers = manga.Select(m => new DownloadCoverFromMangaconnectorWorker(m)).ToList<BaseWorker>();
         return newWorkers.ToArray();
     }

API/Workers/PeriodicWorkers/UpdateMetadataWorker.cs

@@ -1,3 +1,6 @@
+using System.Diagnostics.CodeAnalysis;
+using API.Schema.ActionsContext;
+using API.Schema.ActionsContext.Actions;
 using API.Schema.MangaContext;
 using API.Schema.MangaContext.MetadataFetchers;
 using Microsoft.EntityFrameworkCore;
@@ -10,20 +13,31 @@ namespace API.Workers.PeriodicWorkers;
 /// <param name="interval"></param>
 /// <param name="dependsOn"></param>
 public class UpdateMetadataWorker(TimeSpan? interval = null, IEnumerable<BaseWorker>? dependsOn = null)
-    : BaseWorkerWithContext<MangaContext>(dependsOn), IPeriodic
+    : BaseWorkerWithContexts(dependsOn), IPeriodic
 {
 
     public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
     public TimeSpan Interval { get; set; } = interval ?? TimeSpan.FromHours(12);
+
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private MangaContext MangaContext = null!;
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private ActionsContext ActionsContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        MangaContext = GetContext<MangaContext>(serviceScope);
+        ActionsContext = GetContext<ActionsContext>(serviceScope);
+    }
     
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Updating metadata...");
         // Get MetadataEntries of Manga marked for download
-        List<MetadataEntry> metadataEntriesToUpdate = await DbContext.MangaConnectorToManga
+        List<MetadataEntry> metadataEntriesToUpdate = await MangaContext.MangaConnectorToManga
             .Where(m => m.UseForDownload) // Get marked Manga
             .Join(
-                DbContext.MetadataEntries.Include(e => e.MetadataFetcher).Include(e => e.Manga),
+                MangaContext.MetadataEntries.Include(e => e.MetadataFetcher).Include(e => e.Manga),
                 mcId => mcId.ObjId,
                 e => e.MangaId,
                 (mcId, e) => e) // return MetadataEntry
@@ -33,12 +47,16 @@ public class UpdateMetadataWorker(TimeSpan? interval = null, IEnumerable<BaseWor
         foreach (MetadataEntry metadataEntry in metadataEntriesToUpdate)
         {
             Log.Debug($"Updating metadata of {metadataEntry}...");
-            await metadataEntry.MetadataFetcher.UpdateMetadata(metadataEntry, DbContext, CancellationToken);
+            await metadataEntry.MetadataFetcher.UpdateMetadata(metadataEntry, MangaContext, CancellationToken);
+            ActionsContext.Actions.Add(new MetadataUpdatedActionRecord(metadataEntry.Manga, metadataEntry.MetadataFetcher));
         }
         Log.Debug("Updated metadata.");
 
-        if(await DbContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
+        if(await MangaContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
             Log.Error($"Failed to save database changes: {e.exceptionMessage}");
+        
+        if(await ActionsContext.Sync(CancellationToken, GetType(), "Metadata Updated") is { success: false } actionsContextException)
+            Log.Error($"Failed to save database changes: {actionsContextException.exceptionMessage}");
 
         return [];
     }

API/Workers/RefreshLibrariesWorker.cs

@@ -1,20 +1,27 @@
+using System.Diagnostics.CodeAnalysis;
 using API.Schema.LibraryContext;
 using API.Schema.LibraryContext.LibraryConnectors;
 using Microsoft.EntityFrameworkCore;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Converters;
 
 namespace API.Workers;
 
-public class RefreshLibrariesWorker(IEnumerable<BaseWorker>? dependsOn = null) : BaseWorkerWithContext<LibraryContext>(dependsOn)
+public class RefreshLibrariesWorker(IEnumerable<BaseWorker>? dependsOn = null) : BaseWorkerWithContexts(dependsOn)
 {
     public static DateTime LastRefresh { get; set; } = DateTime.UnixEpoch;
     
+    [SuppressMessage("ReSharper", "InconsistentNaming")]
+    private LibraryContext LibraryContext = null!;
+
+    protected override void SetContexts(IServiceScope serviceScope)
+    {
+        LibraryContext = GetContext<LibraryContext>(serviceScope);
+    }
+    
     protected override async Task<BaseWorker[]> DoWorkInternal()
     {
         Log.Debug("Refreshing libraries...");
         LastRefresh = DateTime.UtcNow;
-        List<LibraryConnector> libraries = await DbContext.LibraryConnectors.ToListAsync(CancellationToken);
+        List<LibraryConnector> libraries = await LibraryContext.LibraryConnectors.ToListAsync(CancellationToken);
         foreach (LibraryConnector connector in libraries)
             await connector.UpdateLibrary(CancellationToken);
         Log.Debug("Libraries Refreshed...");

API/openapi/API_v2.json

@@ -5,6 +5,88 @@
     "version": "2.0"
   },
   "paths": {
+    "/v2/Actions/Types": {
+      "get": {
+        "tags": [
+          "Actions"
+        ],
+        "summary": "Returns the available Action Types (API.Schema.ActionsContext.ActionRecord.Action) performed by Tranga",
+        "responses": {
+          "200": {
+            "description": "List of performed action-types"
+          },
+          "500": {
+            "description": "Database error"
+          }
+        }
+      }
+    },
+    "/v2/Actions/Interval": {
+      "post": {
+        "tags": [
+          "Actions"
+        ],
+        "summary": "Returns API.Schema.ActionsContext.ActionRecord performed in API.Controllers.ActionsController.Interval",
+        "requestBody": {
+          "content": {
+            "application/json-patch+json; x-version=2.0": {
+              "schema": {
+                "$ref": "#/components/schemas/Interval"
+              }
+            },
+            "application/json; x-version=2.0": {
+              "schema": {
+                "$ref": "#/components/schemas/Interval"
+              }
+            },
+            "text/json; x-version=2.0": {
+              "schema": {
+                "$ref": "#/components/schemas/Interval"
+              }
+            },
+            "application/*+json; x-version=2.0": {
+              "schema": {
+                "$ref": "#/components/schemas/Interval"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "List of performed actions"
+          },
+          "500": {
+            "description": "Database error"
+          }
+        }
+      }
+    },
+    "/v2/Actions/Type/{Type}": {
+      "get": {
+        "tags": [
+          "Actions"
+        ],
+        "summary": "Returns API.Schema.ActionsContext.ActionRecord with type Type",
+        "parameters": [
+          {
+            "name": "Type",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "List of performed actions"
+          },
+          "500": {
+            "description": "Database error"
+          }
+        }
+      }
+    },
     "/v2/Chapters/{MangaId}": {
       "get": {
         "tags": [
@@ -1128,6 +1210,16 @@
               }
             }
           },
+          "500": {
+            "description": "Error during Database Operation",
+            "content": {
+              "text/plain; x-version=2.0": {
+                "schema": {
+                  "type": "string"
+                }
+              }
+            }
+          },
           "202": {
             "description": "Folder is going to be moved"
           }
@@ -3401,6 +3493,20 @@
         },
         "additionalProperties": false
       },
+      "Interval": {
+        "type": "object",
+        "properties": {
+          "start": {
+            "type": "string",
+            "format": "date-time"
+          },
+          "end": {
+            "type": "string",
+            "format": "date-time"
+          }
+        },
+        "additionalProperties": false
+      },
       "LibraryConnector": {
         "required": [
           "baseUrl",

CreateMigrations.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <migrationname>"
+    exit 1
+fi
+cd API || exit
+dotnet ef migrations add $1 --context MangaContext --output-dir Migrations/Manga
+dotnet ef migrations add $1 --context LibraryContext --output-dir Migrations/Library
+dotnet ef migrations add $1 --context NotificationsContext --output-dir Migrations/Notifications
+dotnet ef migrations add $1 --context ActionsContext --output-dir Migrations/Actions