WIP

API/Schema/LibraryContext/LibraryConnectors/Kavita.cs

@@ -0,0 +1,114 @@
+using System.Text.Json;
+using System.Text.Json.Nodes;
+
+namespace API.Schema.LibraryContext.LibraryConnectors;
+
+public class Kavita : LibraryConnector
+{
+
+    public Kavita(string baseUrl, string auth) : base(TokenGen.CreateToken(typeof(Kavita), baseUrl), LibraryType.Kavita, baseUrl, auth)
+    {
+    }
+    
+    public Kavita(string baseUrl, string username, string password) : 
+        this(baseUrl, GetToken(baseUrl, username, password))
+    {
+    }
+    
+    
+    private static string GetToken(string baseUrl, string username, string password)
+    {
+        HttpClient client = new()
+        {
+            DefaultRequestHeaders =
+            {
+                { "Accept", "application/json" }
+            }
+        };
+        HttpRequestMessage requestMessage = new ()
+        {
+            Method = HttpMethod.Post,
+            RequestUri = new Uri($"{baseUrl}/api/Account/login"),
+            Content = new StringContent($"{{\"username\":\"{username}\",\"password\":\"{password}\"}}", System.Text.Encoding.UTF8, "application/json")
+        };
+        try
+        {
+            HttpResponseMessage response = client.Send(requestMessage);
+            if (response.IsSuccessStatusCode)
+            {
+                JsonObject? result = JsonSerializer.Deserialize<JsonObject>(response.Content.ReadAsStream());
+                if (result is not null)
+                    return result["token"]!.GetValue<string>();
+            }
+            else
+            {
+            }
+        }
+        catch (HttpRequestException)
+        {
+            
+        }
+        return "";
+    }
+
+    protected override void UpdateLibraryInternal()
+    {
+        foreach (KavitaLibrary lib in GetLibraries())
+            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/ToFileLibrary/scan?libraryId={lib.id}", "Bearer", Auth))
+                return true;
+        return false;
+    }
+
+    /// <summary>
+    /// Fetches all libraries available to the user
+    /// </summary>
+    /// <returns>Array of KavitaLibrary</returns>
+    private IEnumerable<KavitaLibrary> GetLibraries()
+    {
+        Stream data = NetClient.MakeRequest($"{BaseUrl}/api/ToFileLibrary/libraries", "Bearer", Auth);
+        if (data == Stream.Null)
+        {
+            Log.Info("No libraries found");
+            return [];
+        }
+        JsonArray? result = JsonSerializer.Deserialize<JsonArray>(data);
+        if (result is null)
+        {
+            Log.Info("No libraries found");
+            return [];
+        }
+
+        List<KavitaLibrary> ret = new();
+
+        foreach (JsonNode? jsonNode in result)
+        {
+            JsonObject? jObject = (JsonObject?)jsonNode;
+            if(jObject is null)
+                continue;
+            int libraryId = jObject["id"]!.GetValue<int>();
+            string libraryName = jObject["name"]!.GetValue<string>();
+            ret.Add(new KavitaLibrary(libraryId, libraryName));
+        }
+
+        return ret;
+    }
+    
+    private struct KavitaLibrary
+    {
+        public int id { get; }
+        // ReSharper disable once UnusedAutoPropertyAccessor.Local
+        public string name { get; }
+
+        public KavitaLibrary(int id, string name)
+        {
+            this.id = id;
+            this.name = name;
+        }
+    }
+}

API/Schema/LibraryContext/LibraryConnectors/Komga.cs

@@ -0,0 +1,76 @@
+using System.Text.Json;
+using System.Text.Json.Nodes;
+
+namespace API.Schema.LibraryContext.LibraryConnectors;
+
+public class Komga : LibraryConnector
+{
+    public Komga(string baseUrl, string auth) : base(TokenGen.CreateToken(typeof(Komga), baseUrl), LibraryType.Komga,
+        baseUrl, auth)
+    {
+    }
+    
+    public Komga(string baseUrl, string username, string password)
+        : this(baseUrl, Convert.ToBase64String(System.Text.Encoding.ASCII.GetBytes($"{username}:{password}")))
+    {
+    }
+    
+    protected override void UpdateLibraryInternal()
+    {
+        foreach (KomgaLibrary lib in GetLibraries())
+            NetClient.MakePost($"{BaseUrl}/api/v1/libraries/{lib.id}/scan", "Basic", Auth);
+    }
+
+    internal override bool Test()
+    {
+        foreach (KomgaLibrary lib in GetLibraries())
+            if (NetClient.MakePost($"{BaseUrl}/api/v1/libraries/{lib.id}/scan", "Basic", Auth))
+                return true;
+        return false;
+    }
+
+    /// <summary>
+    /// Fetches all libraries available to the user
+    /// </summary>
+    /// <returns>Array of KomgaLibraries</returns>
+    private IEnumerable<KomgaLibrary> GetLibraries()
+    {
+        Stream data = NetClient.MakeRequest($"{BaseUrl}/api/v1/libraries", "Basic", Auth);
+        if (data == Stream.Null)
+        {
+            Log.Info("No libraries found");
+            return [];
+        }
+        JsonArray? result = JsonSerializer.Deserialize<JsonArray>(data);
+        if (result is null)
+        {
+            Log.Info("No libraries found");
+            return [];
+        }
+
+        HashSet<KomgaLibrary> ret = new();
+
+        foreach (JsonNode? jsonNode in result)
+        {
+            var jObject = (JsonObject?)jsonNode;
+            string libraryId = jObject!["id"]!.GetValue<string>();
+            string libraryName = jObject["name"]!.GetValue<string>();
+            ret.Add(new KomgaLibrary(libraryId, libraryName));
+        }
+
+        return ret;
+    }
+
+    private struct KomgaLibrary
+    {
+        public string id { get; }
+        // ReSharper disable once UnusedAutoPropertyAccessor.Local
+        public string name { get; }
+
+        public KomgaLibrary(string id, string name)
+        {
+            this.id = id;
+            this.name = name;
+        }
+    }
+}

API/Schema/LibraryContext/LibraryConnectors/LibraryConnector.cs

@@ -0,0 +1,32 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using log4net;
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+
+namespace API.Schema.LibraryContext.LibraryConnectors;
+
+[PrimaryKey("LibraryConnectorId")]
+public abstract class LibraryConnector(string libraryConnectorId, LibraryType libraryType, string baseUrl, string auth)
+{
+    [StringLength(64)]
+    [Required]
+    public string LibraryConnectorId { get; } = libraryConnectorId;
+
+    [Required]
+    public LibraryType LibraryType { get; init; } = libraryType;
+    [StringLength(256)]
+    [Required]
+    [Url]
+    public string BaseUrl { get; init; } = baseUrl;
+    [StringLength(256)]
+    [Required]
+    public string Auth { get; init; } = auth;
+    
+    [JsonIgnore]
+    [NotMapped]
+    protected ILog Log { get; init; } = LogManager.GetLogger($"{libraryType.ToString()} {baseUrl}");
+    
+    protected abstract void UpdateLibraryInternal();
+    internal abstract bool Test();
+}

API/Schema/LibraryContext/LibraryConnectors/LibraryType.cs

@@ -0,0 +1,7 @@
+namespace API.Schema.LibraryContext.LibraryConnectors;
+
+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;
+        }
+}