Fixed some nullable types

Added Logger to DownloadClient

Logging/LoggerBase.cs

@@ -52,7 +52,7 @@ public abstract class LoggerBase : TextWriter
         public override string ToString()
         {
             string dateTimeString = $"{logTime.ToShortDateString()} {logTime.ToLongTimeString()}";
-            return $"[{dateTimeString}] {caller,30} | {value}";
+            return $"[{dateTimeString}] {caller.Split(new char[]{'.','+'}).Last(),15} | {value}";
         }
     }
 }

Tranga-API/Program.cs

@@ -1,11 +1,11 @@
-
 using Logging;
 using Tranga;
 
-string applicationFolderPath =  Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Tranga-API");
+string applicationFolderPath =
+    Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Tranga-API");
 string logsFolderPath = Path.Join(applicationFolderPath, "logs");
 string logFilePath = Path.Join(logsFolderPath, $"log-{DateTime.Now:dd-M-yyyy-HH-mm-ss}.txt");
-string settingsFilePath = Path.Join(applicationFolderPath, "data.json");
+string settingsFilePath = Path.Join(applicationFolderPath, "settings.json");
 
 Directory.CreateDirectory(applicationFolderPath);
 Directory.CreateDirectory(logsFolderPath);
@@ -16,11 +16,11 @@ Console.WriteLine($"Settings-File-Path: {settingsFilePath}");
 Logger logger = new(new[] { Logger.LoggerType.FileLogger }, null, null, logFilePath);
         
 logger.WriteLine("Tranga_CLI", "Loading Taskmanager.");
-TaskManager.SettingsData settings;
+TrangaSettings settings;
 if (File.Exists(settingsFilePath))
-    settings = TaskManager.LoadData(settingsFilePath);
+    settings = TrangaSettings.LoadSettings(settingsFilePath);
 else
-    settings = new TaskManager.SettingsData(Directory.GetCurrentDirectory(), settingsFilePath, null, new HashSet<TrangaTask>());
+    settings = new TrangaSettings(Directory.GetCurrentDirectory(), applicationFolderPath, null);
 
 TaskManager taskManager = new (settings, logger);
 
@@ -58,7 +58,7 @@ app.MapPost("/Tasks/Create", (string taskType, string? connectorName, string? pu
     taskManager.AddTask(task, connectorName, publication, TimeSpan.Parse(reoccurrenceTime), language??"");
 });
 
-app.MapPost("/Tasks/Delete", (string taskType, string? connectorName, string? publicationId) =>
+app.MapDelete("/Tasks/Delete", (string taskType, string? connectorName, string? publicationId) =>
 {
     Publication? publication = taskManager.GetAllPublications().FirstOrDefault(pub => pub.internalId == publicationId);
     TrangaTask.Task task = Enum.Parse<TrangaTask.Task>(taskType);
@@ -93,7 +93,7 @@ app.MapPost("/Queue/Enqueue", (string taskType, string? connectorName, string? p
     taskManager.AddTaskToQueue(task);
 });
 
-app.MapPost("/Queue/Dequeue", (string taskType, string? connectorName, string? publicationId) =>
+app.MapDelete("/Queue/Dequeue", (string taskType, string? connectorName, string? publicationId) =>
 {
     TrangaTask.Task pTask = Enum.Parse<TrangaTask.Task>(taskType);
     TrangaTask? task = taskManager.GetAllTasks().FirstOrDefault(tTask =>
@@ -103,20 +103,8 @@ app.MapPost("/Queue/Dequeue", (string taskType, string? connectorName, string? p
     taskManager.RemoveTaskFromQueue(task);
 });
 
-app.MapGet("/Settings/Get", () => new Settings(taskManager.settings));
+app.MapGet("/Settings/Get", () => taskManager.settings);
 
 app.MapPost("/Settings/Update", (string? downloadLocation, string? komgaUrl, string? komgaAuth) => taskManager.UpdateSettings(downloadLocation, komgaUrl, komgaAuth) );
 
 app.Run();
-
-class Settings
-{
-    public string downloadLocation { get; }
-    public Komga? komga { get; }
-
-    public Settings(TaskManager.SettingsData settings)
-    {
-        this.downloadLocation = settings.downloadLocation;
-        this.komga = settings.komga;
-    }
-}

Tranga-CLI/Tranga_Cli.cs

@@ -14,10 +14,10 @@ public static class Tranga_Cli
 {
     public static void Main(string[] args)
     {
-        string applicationFolderPath =  Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Tranga");
+        string applicationFolderPath =  Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Tranga");
         string logsFolderPath = Path.Join(applicationFolderPath, "logs");
         string logFilePath = Path.Join(logsFolderPath, $"log-{DateTime.Now:dd-M-yyyy-HH-mm-ss}.txt");
-        string settingsFilePath = Path.Join(applicationFolderPath, "data.json");
+        string settingsFilePath = Path.Join(applicationFolderPath, "settings.json");
 
         Directory.CreateDirectory(applicationFolderPath);
         Directory.CreateDirectory(logsFolderPath);
@@ -28,11 +28,11 @@ public static class Tranga_Cli
         Logger logger = new(new[] { Logger.LoggerType.FileLogger }, null, null, logFilePath);
         
         logger.WriteLine("Tranga_CLI", "Loading Taskmanager.");
-        TaskManager.SettingsData settings;
+        TrangaSettings settings;
         if (File.Exists(settingsFilePath))
-            settings = TaskManager.LoadData(settingsFilePath);
+            settings = TrangaSettings.LoadSettings(settingsFilePath);
         else
-            settings = new TaskManager.SettingsData(Directory.GetCurrentDirectory(), settingsFilePath, null, new HashSet<TrangaTask>());
+            settings = new TrangaSettings(Directory.GetCurrentDirectory(), applicationFolderPath, null);
 
             
         logger.WriteLine("Tranga_CLI", "User Input");
@@ -41,7 +41,7 @@ public static class Tranga_Cli
         while(tmpPath is null)
             tmpPath = Console.ReadLine();
         if (tmpPath.Length > 0)
-            settings.UpdateSettings(pDownloadLocation: tmpPath, null);
+            settings.downloadLocation = tmpPath;
         
         Console.WriteLine($"Komga BaseURL [{settings.komga?.baseUrl}]:");
         string? tmpUrl = Console.ReadLine();
@@ -74,14 +74,14 @@ public static class Tranga_Cli
                 }
             } while (key != ConsoleKey.Enter);
             
-            settings.UpdateSettings(null, new Komga(tmpUrl, tmpUser, tmpPass, logger));
+            settings.komga = new Komga(tmpUrl, tmpUser, tmpPass, logger);
         }
         
         logger.WriteLine("Tranga_CLI", "Loaded.");
         TaskMode(settings, logger);
     }
 
-    private static void TaskMode(TaskManager.SettingsData settings, Logger logger)
+    private static void TaskMode(TrangaSettings settings, Logger logger)
     {
         TaskManager taskManager = new (settings, logger);
         ConsoleKey selection = ConsoleKey.EraseEndOfFile;
@@ -143,7 +143,7 @@ public static class Tranga_Cli
                         TailLog(logger);
                         Console.ReadKey();
                         break;
-                    case ConsoleKey.M:
+                    case ConsoleKey.G:
                         RemoveTaskFromQueue(taskManager, logger);
                         Console.WriteLine("Press any key.");
                         Console.ReadKey();
@@ -153,6 +153,11 @@ public static class Tranga_Cli
                         Console.WriteLine("Press any key.");
                         Console.ReadKey();
                         break;
+                    case ConsoleKey.M:
+                        AddMangaTaskToQueue(taskManager, logger);
+                        Console.WriteLine("Press any key.");
+                        Console.ReadKey();
+                        break; 
                 }
                 PrintMenu(taskManager, taskManager.settings.downloadLocation, logger);
             }
@@ -186,8 +191,8 @@ public static class Tranga_Cli
         Console.WriteLine();
         Console.WriteLine($"{"C: Create Task",-30}{"L: List tasks",-30}{"B: Enqueue Task", -30}");
         Console.WriteLine($"{"D: Delete Task",-30}{"S: Search Tasks", -30}{"K: List Task Queue", -30}");
-        Console.WriteLine($"{"E: Execute Task now",-30}{"R: List Running Tasks", -30}{"M: Remove Task from Queue", -30}");
-        Console.WriteLine();
+        Console.WriteLine($"{"E: Execute Task now",-30}{"R: List Running Tasks", -30}{"G: Remove Task from Queue", -30}");
+        Console.WriteLine($"{"M: New Download Manga Task",-30}{"", -30}{"", -30}");
         Console.WriteLine($"{"",-30}{"F: Show Log",-30}{"Q: Exit",-30}");
     }
 
@@ -205,7 +210,11 @@ public static class Tranga_Cli
         Console.WriteLine(header);
         Console.WriteLine(new string('-', header.Length));
         foreach (TrangaTask trangaTask in tasks)
-            Console.WriteLine($"{tIndex++:000}: {trangaTask}");
+        {
+            string[] taskSplit = trangaTask.ToString().Split(", ");
+            Console.WriteLine($"{tIndex++:000}: {taskSplit[0],-20} | {taskSplit[1],-20} | {taskSplit[2],-12} | {taskSplit[3],-10} | {(taskSplit.Length > 4 ? taskSplit[4] : ""),-15} | {(taskSplit.Length > 5 ? taskSplit[5] : "")}");
+        }
+            
     }
 
     private static TrangaTask? SelectTask(TrangaTask[] tasks, Logger logger)
@@ -239,7 +248,6 @@ public static class Tranga_Cli
         try
         {
             int selectedTaskIndex = Convert.ToInt32(selectedTask);
-            logger.WriteLine("Tranga_CLI", "Sending Task to TaskManager");
             return tasks[selectedTaskIndex];
         }
         catch (Exception e)
@@ -251,6 +259,25 @@ public static class Tranga_Cli
         return null;
     }
     
+    private static void AddMangaTaskToQueue(TaskManager taskManager, Logger logger)
+    {
+        Console.Clear();
+        logger.WriteLine("Tranga_CLI", "Menu: Add Manga Download to queue");
+        
+        Connector? connector = SelectConnector(taskManager.settings.downloadLocation, taskManager.GetAvailableConnectors().Values.ToArray(), logger);
+        if (connector is null)
+            return;
+                    
+        Publication? publication = SelectPublication(taskManager, connector!, logger);
+        if (publication is null)
+            return;
+        
+        TimeSpan reoccurrence = SelectReoccurrence(logger);
+        logger.WriteLine("Tranga_CLI", "Sending Task to TaskManager");
+        TrangaTask newTask = taskManager.AddTask(TrangaTask.Task.DownloadNewChapters, connector?.name, publication, reoccurrence, "en");
+        Console.WriteLine(newTask);
+    }
+
     private static void AddTaskToQueue(TaskManager taskManager, Logger logger)
     {
         Console.Clear();
@@ -300,7 +327,7 @@ public static class Tranga_Cli
         }
     }
 
-    private static void CreateTask(TaskManager taskManager, TaskManager.SettingsData settings, Logger logger)
+    private static void CreateTask(TaskManager taskManager, TrangaSettings settings, Logger logger)
     {
         logger.WriteLine("Tranga_CLI", "Menu: Creating Task");
         TrangaTask.Task? tmpTask = SelectTaskType(logger);
@@ -319,7 +346,7 @@ public static class Tranga_Cli
         Publication? publication = null;
         if (task != TrangaTask.Task.UpdatePublications && task != TrangaTask.Task.UpdateKomgaLibrary)
         {
-            publication = SelectPublication(connector!, logger);
+            publication = SelectPublication(taskManager, connector!, logger);
             if (publication is null)
                 return;
         }
@@ -443,7 +470,7 @@ public static class Tranga_Cli
         return null;
     }
 
-    private static Publication? SelectPublication(Connector connector, Logger logger)
+    private static Publication? SelectPublication(TaskManager taskManager, Connector connector, Logger logger)
     {
         logger.WriteLine("Tranga_CLI", "Menu: Select Publication");
         
@@ -452,7 +479,14 @@ public static class Tranga_Cli
         Console.WriteLine("Publication search query (leave empty for all):");
         string? query = Console.ReadLine();
 
-        Publication[] publications = connector.GetPublications(query ?? "");
+        Publication[] publications = taskManager.GetPublicationsFromConnector(connector, query ?? "");
+
+        if (publications.Length < 1)
+        {
+            logger.WriteLine("Tranga_CLI", "No publications returned");
+            Console.WriteLine($"No publications for query '{query}' returned;");
+            return null;
+        }
         
         int pIndex = 0;
         Console.WriteLine("Publications:");

Tranga/Connector.cs

@@ -12,15 +12,18 @@ namespace Tranga;
 public abstract class Connector
 {
     internal string downloadLocation { get; }  //Location of local files
-    protected DownloadClient downloadClient { get; }
+    protected DownloadClient downloadClient { get; init; }
 
     protected Logger? logger;
 
-    protected Connector(string downloadLocation, uint downloadDelay, Logger? logger)
+    protected Connector(string downloadLocation, Logger? logger)
     {
         this.downloadLocation = downloadLocation;
-        this.downloadClient = new DownloadClient(downloadDelay);
         this.logger = logger;
+        this.downloadClient = new DownloadClient(new Dictionary<byte, int>()
+        {
+            //RequestTypes for RateLimits
+        }, logger);
     }
     
     public abstract string name { get; } //Name of the Connector (e.g. Website)
@@ -85,6 +88,7 @@ public abstract class Connector
             new XElement("Tags", string.Join(',',publication.tags)),
             new XElement("LanguageISO", publication.originalLanguage),
             new XElement("Title", chapter.name),
+            new XElement("Writer", publication.author),
             new XElement("Volume", chapter.volumeNumber),
             new XElement("Number", chapter.chapterNumber) //TODO check if this is correct at some point
         );
@@ -106,7 +110,7 @@ public abstract class Connector
     /// <returns>Filepath</returns>
     protected string CreateFullFilepath(Publication publication, Chapter chapter)
     {
-        return Path.Join(downloadLocation, publication.folderName, chapter.fileName);
+        return Path.Join(downloadLocation, publication.folderName, $"{chapter.fileName}.cbz");
     }
 
     /// <summary>
@@ -115,9 +119,10 @@ public abstract class Connector
     /// <param name="imageUrl"></param>
     /// <param name="fullPath"></param>
     /// <param name="downloadClient">DownloadClient of the connector</param>
-    protected static void DownloadImage(string imageUrl, string fullPath, DownloadClient downloadClient)
+    /// <param name="requestType">Requesttype for ratelimit</param>
+    protected static void DownloadImage(string imageUrl, string fullPath, DownloadClient downloadClient, byte requestType)
     {
-        DownloadClient.RequestResult requestResult = downloadClient.MakeRequest(imageUrl);
+        DownloadClient.RequestResult requestResult = downloadClient.MakeRequest(imageUrl, requestType);
         byte[] buffer = new byte[requestResult.result.Length];
         requestResult.result.ReadExactly(buffer, 0, buffer.Length);
         File.WriteAllBytes(fullPath, buffer);
@@ -130,17 +135,16 @@ public abstract class Connector
     /// <param name="saveArchiveFilePath">Full path to save archive to (without file ending .cbz)</param>
     /// <param name="downloadClient">DownloadClient of the connector</param>
     /// <param name="comicInfoPath">Path of the generate Chapter ComicInfo.xml, if it was generated</param>
-    protected static void DownloadChapterImages(string[] imageUrls, string saveArchiveFilePath, DownloadClient downloadClient, Logger? logger, string? comicInfoPath = null)
+    /// <param name="requestType">RequestType for RateLimits</param>
+    protected static void DownloadChapterImages(string[] imageUrls, string saveArchiveFilePath, DownloadClient downloadClient, byte requestType, Logger? logger, string? comicInfoPath = null)
     {
         logger?.WriteLine("Connector", "Downloading Images");
         //Check if Publication Directory already exists
-        string[] splitPath = saveArchiveFilePath.Split(Path.DirectorySeparatorChar);
-        string directoryPath = Path.Combine(splitPath.Take(splitPath.Length - 1).ToArray());
+        string directoryPath = Path.GetDirectoryName(saveArchiveFilePath)!;
         if (!Directory.Exists(directoryPath))
             Directory.CreateDirectory(directoryPath);
 
-        string fullPath = $"{saveArchiveFilePath}.cbz";
-        if (File.Exists(fullPath)) //Don't download twice.
+        if (File.Exists(saveArchiveFilePath)) //Don't download twice.
             return;
         
         //Create a temporary folder to store images
@@ -152,7 +156,7 @@ public abstract class Connector
         {
             string[] split = imageUrl.Split('.');
             string extension = split[^1];
-            DownloadImage(imageUrl, Path.Join(tempFolder, $"{chapter++}.{extension}"), downloadClient);
+            DownloadImage(imageUrl, Path.Join(tempFolder, $"{chapter++}.{extension}"), downloadClient, requestType);
         }
         
         if(comicInfoPath is not null)
@@ -160,40 +164,72 @@ public abstract class Connector
         
         logger?.WriteLine("Connector", "Creating archive");
         //ZIP-it and ship-it
-        ZipFile.CreateFromDirectory(tempFolder, fullPath);
+        ZipFile.CreateFromDirectory(tempFolder, saveArchiveFilePath);
         Directory.Delete(tempFolder, true); //Cleanup
     }
     
     protected class DownloadClient
     {
-        private readonly TimeSpan _requestSpeed;
-        private DateTime _lastRequest;
         private static readonly HttpClient Client = new();
 
+        private readonly Dictionary<byte, DateTime> _lastExecutedRateLimit;
+        private readonly Dictionary<byte, TimeSpan> _rateLimit;
+        private Logger? logger;
+
         /// <summary>
         /// Creates a httpClient
         /// </summary>
         /// <param name="delay">minimum delay between requests (to avoid spam)</param>
-        public DownloadClient(uint delay)
+        /// <param name="rateLimitRequestsPerMinute">Rate limits for requests. byte is RequestType, int maximum requests per minute for RequestType</param>
+        public DownloadClient(Dictionary<byte, int> rateLimitRequestsPerMinute, Logger? logger)
         {
-            _requestSpeed = TimeSpan.FromMilliseconds(delay);
-            _lastRequest = DateTime.Now.Subtract(_requestSpeed);
+            this.logger = logger;
+            _lastExecutedRateLimit = new();
+            _rateLimit = new();
+            foreach(KeyValuePair<byte, int> limit in rateLimitRequestsPerMinute)
+                _rateLimit.Add(limit.Key, TimeSpan.FromMinutes(1).Divide(limit.Value));
         }
 
         /// <summary>
         /// Request Webpage
         /// </summary>
         /// <param name="url"></param>
+        /// <param name="requestType">For RateLimits: Same Endpoints use same type</param>
         /// <returns>RequestResult with StatusCode and Stream of received data</returns>
-        public RequestResult MakeRequest(string url)
+        public RequestResult MakeRequest(string url, byte requestType)
         {
-            while((DateTime.Now - _lastRequest) < _requestSpeed)
-                Thread.Sleep(10);
-            _lastRequest = DateTime.Now;
+            if (_rateLimit.TryGetValue(requestType, out TimeSpan value))
+                _lastExecutedRateLimit.TryAdd(requestType, DateTime.Now.Subtract(value));
+            else
+            {
+                logger?.WriteLine(this.GetType().ToString(), "RequestType not configured for rate-limit.");
+                return new RequestResult(HttpStatusCode.NotAcceptable, Stream.Null);
+            }
 
+            TimeSpan rateLimitTimeout = _rateLimit[requestType]
+                .Subtract(DateTime.Now.Subtract(_lastExecutedRateLimit[requestType]));
+            
+            if(rateLimitTimeout > TimeSpan.Zero)
+                Thread.Sleep(rateLimitTimeout);
+
+            HttpResponseMessage? response = null;
+            while (response is null)
+            {
+                try
+                {
                     HttpRequestMessage requestMessage = new(HttpMethod.Get, url);
-            HttpResponseMessage response = Client.Send(requestMessage);
+                    _lastExecutedRateLimit[requestType] = DateTime.Now;
+                    response = Client.Send(requestMessage);
+                }
+                catch (HttpRequestException e)
+                {
+                    logger?.WriteLine(this.GetType().ToString(), e.Message);
+                    Thread.Sleep(_rateLimit[requestType] * 2);
+                }
+            }
             Stream resultString = response.IsSuccessStatusCode ? response.Content.ReadAsStream() : Stream.Null;
+            if (!response.IsSuccessStatusCode)
+                logger?.WriteLine(this.GetType().ToString(), $"Request-Error {response.StatusCode}: {response.ReasonPhrase}");
             return new RequestResult(response.StatusCode, resultString);
         }
 

Tranga/Connectors/MangaDex.cs

@@ -9,14 +9,26 @@ public class MangaDex : Connector
 {
     public override string name { get; }
 
-    public MangaDex(string downloadLocation, uint downloadDelay, Logger? logger) : base(downloadLocation, downloadDelay, logger)
+    private enum RequestType : byte
     {
-        name = "MangaDex";
+        Manga,
+        Feed,
+        AtHomeServer,
+        Cover,
+        Author
     }
 
-    public MangaDex(string downloadLocation, Logger? logger) : base(downloadLocation, 750, logger)
+    public MangaDex(string downloadLocation, Logger? logger) : base(downloadLocation, logger)
     {
         name = "MangaDex";
+        this.downloadClient = new DownloadClient(new Dictionary<byte, int>()
+        {
+            {(byte)RequestType.Manga, 250},
+            {(byte)RequestType.Feed, 250},
+            {(byte)RequestType.AtHomeServer, 40},
+            {(byte)RequestType.Cover, 250},
+            {(byte)RequestType.Author, 250}
+        }, logger);
     }
 
     public override Publication[] GetPublications(string publicationTitle = "")
@@ -31,7 +43,7 @@ public class MangaDex : Connector
             //Request next Page
             DownloadClient.RequestResult requestResult =
                 downloadClient.MakeRequest(
-                    $"https://api.mangadex.org/manga?limit={limit}&title={publicationTitle}&offset={offset}");
+                    $"https://api.mangadex.org/manga?limit={limit}&title={publicationTitle}&offset={offset}", (byte)RequestType.Manga);
             if (requestResult.statusCode != HttpStatusCode.OK)
                 break;
             JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
@@ -49,6 +61,8 @@ public class MangaDex : Connector
                 JsonObject manga = (JsonObject)mangeNode!;
                 JsonObject attributes = manga["attributes"]!.AsObject();
                 
+                string publicationId = manga["id"]!.GetValue<string>();
+                
                 string title = attributes["title"]!.AsObject().ContainsKey("en") && attributes["title"]!["en"] is not null
                     ? attributes["title"]!["en"]!.GetValue<string>()
                     : attributes["title"]![((IDictionary<string, JsonNode?>)attributes["title"]!.AsObject()).Keys.First()]!.GetValue<string>();
@@ -75,15 +89,18 @@ public class MangaDex : Connector
                         tags.Add(tagObject["attributes"]!["name"]!["en"]!.GetValue<string>());
                 }
 
-                string? poster = null;
+                string? posterId = null;
+                string? authorId = null;
                 if (manga.ContainsKey("relationships") && manga["relationships"] is not null)
                 {
                     JsonArray relationships = manga["relationships"]!.AsArray();
-                    poster = relationships.FirstOrDefault(relationship => relationship!["type"]!.GetValue<string>() == "cover_art")!["id"]!.GetValue<string>();
+                    posterId = relationships.FirstOrDefault(relationship => relationship!["type"]!.GetValue<string>() == "cover_art")!["id"]!.GetValue<string>();
+                    authorId = relationships.FirstOrDefault(relationship => relationship!["type"]!.GetValue<string>() == "author")!["id"]!.GetValue<string>();
                 }
+                string? coverUrl = GetCoverUrl(publicationId, posterId);
+                string? author = GetAuthor(authorId);
 
                 Dictionary<string, string> linksDict = new();
-                string[,]? links = null;
                 if (attributes.ContainsKey("links") && attributes["links"] is not null)
                 {
                     JsonObject linksObject = attributes["links"]!.AsObject();
@@ -103,17 +120,18 @@ public class MangaDex : Connector
                 
                 string status = attributes["status"]!.GetValue<string>();
 
-                Publication pub = new Publication(
+                Publication pub = new (
                     title,
+                    author,
                     description,
                     altTitlesDict,
                     tags.ToArray(),
-                    poster,
+                    coverUrl,
                     linksDict,
                     year,
                     originalLanguage,
                     status,
-                    manga["id"]!.GetValue<string>()
+                    publicationId
                 );
                 publications.Add(pub); //Add Publication (Manga) to result
             }
@@ -135,7 +153,7 @@ public class MangaDex : Connector
             //Request next "Page"
             DownloadClient.RequestResult requestResult =
                 downloadClient.MakeRequest(
-                    $"https://api.mangadex.org/manga/{publication.downloadUrl}/feed?limit={limit}&offset={offset}&translatedLanguage%5B%5D={language}");
+                    $"https://api.mangadex.org/manga/{publication.publicationId}/feed?limit={limit}&offset={offset}&translatedLanguage%5B%5D={language}", (byte)RequestType.Feed);
             if (requestResult.statusCode != HttpStatusCode.OK)
                 break;
             JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
@@ -182,7 +200,7 @@ public class MangaDex : Connector
         logger?.WriteLine(this.GetType().ToString(), $"Download Chapter {publication.sortName} {chapter.volumeNumber}-{chapter.chapterNumber}");
         //Request URLs for Chapter-Images
         DownloadClient.RequestResult requestResult =
-            downloadClient.MakeRequest($"https://api.mangadex.org/at-home/server/{chapter.url}?forcePort443=false'");
+            downloadClient.MakeRequest($"https://api.mangadex.org/at-home/server/{chapter.url}?forcePort443=false'", (byte)RequestType.AtHomeServer);
         if (requestResult.statusCode != HttpStatusCode.OK)
             return;
         JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
@@ -201,7 +219,47 @@ public class MangaDex : Connector
         File.WriteAllText(comicInfoPath, CreateComicInfo(publication, chapter, logger));
         
         //Download Chapter-Images
-        DownloadChapterImages(imageUrls.ToArray(), CreateFullFilepath(publication, chapter), downloadClient, logger, comicInfoPath);
+        DownloadChapterImages(imageUrls.ToArray(), CreateFullFilepath(publication, chapter), downloadClient, (byte)RequestType.AtHomeServer, logger, comicInfoPath);
+    }
+
+    private string? GetCoverUrl(string publicationId, string? posterId)
+    {
+        if (posterId is null)
+        {
+            logger?.WriteLine(this.GetType().ToString(), $"No posterId");
+            return null;
+        }
+        
+        //Request information where to download Cover
+        DownloadClient.RequestResult requestResult =
+            downloadClient.MakeRequest($"https://api.mangadex.org/cover/{posterId}", (byte)RequestType.Cover);
+        if (requestResult.statusCode != HttpStatusCode.OK)
+            return null;
+        JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
+        if (result is null)
+            return null;
+
+        string fileName = result["data"]!["attributes"]!["fileName"]!.GetValue<string>();
+
+        string coverUrl = $"https://uploads.mangadex.org/covers/{publicationId}/{fileName}";
+        return coverUrl;
+    }
+
+    private string? GetAuthor(string? authorId)
+    {
+        if (authorId is null)
+            return null;
+        
+        DownloadClient.RequestResult requestResult =
+            downloadClient.MakeRequest($"https://api.mangadex.org/author/{authorId}", (byte)RequestType.Author);
+        if (requestResult.statusCode != HttpStatusCode.OK)
+            return null;
+        JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
+        if (result is null)
+            return null;
+
+        string author = result["data"]!["attributes"]!["name"]!.GetValue<string>();
+        return author;
     }
 
     public override void DownloadCover(Publication publication)
@@ -212,31 +270,26 @@ public class MangaDex : Connector
         if(!Directory.Exists(publicationFolder))
             Directory.CreateDirectory(publicationFolder);
         DirectoryInfo dirInfo = new (publicationFolder);
-        foreach(FileInfo fileInfo in dirInfo.EnumerateFiles())
-            if (fileInfo.Name.Contains("cover."))
+        if (dirInfo.EnumerateFiles().Any(info => info.Name.Contains("cover.")))
+        {
+            logger?.WriteLine(this.GetType().ToString(), $"Cover exists {publication.sortName}");
             return;
+        }
 
-        //Request information where to download Cover
-        DownloadClient.RequestResult requestResult =
-            downloadClient.MakeRequest($"https://api.mangadex.org/cover/{publication.posterUrl}");
-        if (requestResult.statusCode != HttpStatusCode.OK)
+        if (publication.posterUrl is null || publication.posterUrl!.Contains("http"))
+        {
+            logger?.WriteLine(this.GetType().ToString(), $"No Poster-URL in publication");
             return;
-        JsonObject? result = JsonSerializer.Deserialize<JsonObject>(requestResult.result);
-        if (result is null)
-            return;
-
-        string fileName = result["data"]!["attributes"]!["fileName"]!.GetValue<string>();
-
-        string coverUrl = $"https://uploads.mangadex.org/covers/{publication.downloadUrl}/{fileName}";
+        }
 
         //Get file-extension (jpg, png)
-        string[] split = coverUrl.Split('.');
+        string[] split = publication.posterUrl.Split('.');
         string extension = split[^1];
 
         string outFolderPath = Path.Join(downloadLocation, publication.folderName);
         Directory.CreateDirectory(outFolderPath);
         
         //Download cover-Image
-        DownloadImage(coverUrl, Path.Join(downloadLocation, publication.folderName, $"cover.{extension}"), this.downloadClient);
+        DownloadImage(publication.posterUrl, Path.Join(downloadLocation, publication.folderName, $"cover.{extension}"), this.downloadClient, (byte)RequestType.AtHomeServer);
     }
 }

Tranga/Publication.cs

@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+using System.Text;
+using Newtonsoft.Json;
 
 namespace Tranga;
 
@@ -8,28 +9,24 @@ namespace Tranga;
 public readonly struct Publication
 {
     public string sortName { get; }
-    // ReSharper disable UnusedAutoPropertyAccessor.Global we need it, trust
-    [JsonIgnore]public Dictionary<string,string> altTitles { get; }
+    public string? author { get; }
+    public Dictionary<string,string> altTitles { get; }
     // ReSharper disable trice MemberCanBePrivate.Global, trust
     public string? description { get; }
     public string[] tags { get; }
     public string? posterUrl { get; }
-    [JsonIgnore]public Dictionary<string,string> links { get; }
+    public Dictionary<string,string> links { get; }
     public int? year { get; }
     public string? originalLanguage { get; }
     public string status { get; }
     public string folderName { get; }
-    public string downloadUrl { get; }
+    public string publicationId { get; }
     public string internalId { get; }
 
-    public readonly struct ValueTuple
-    {
-        
-    }
-
-    public Publication(string sortName, string? description, Dictionary<string,string> altTitles, string[] tags, string? posterUrl, Dictionary<string,string>? links, int? year, string? originalLanguage, string status, string downloadUrl)
+    public Publication(string sortName, string? author, string? description, Dictionary<string,string> altTitles, string[] tags, string? posterUrl, Dictionary<string,string>? links, int? year, string? originalLanguage, string status, string publicationId)
     {
         this.sortName = sortName;
+        this.author = author;
         this.description = description;
         this.altTitles = altTitles;
         this.tags = tags;
@@ -38,9 +35,10 @@ public readonly struct Publication
         this.year = year;
         this.originalLanguage = originalLanguage;
         this.status = status;
-        this.downloadUrl = downloadUrl;
+        this.publicationId = publicationId;
         this.folderName = string.Concat(sortName.Split(Path.GetInvalidPathChars().Concat(Path.GetInvalidFileNameChars()).ToArray()));
-        this.internalId = Guid.NewGuid().ToString();
+        string onlyLowerLetters = string.Concat(this.sortName.ToLower().Where(Char.IsLetter));
+        this.internalId = Convert.ToBase64String(Encoding.ASCII.GetBytes($"{onlyLowerLetters}{this.year}"));
     }
     
     /// <returns>Serialized JSON String for series.json</returns>

Tranga/TaskExecutor.cs

@@ -92,13 +92,13 @@ public static class TaskExecutor
     /// <param name="chapterCollection"></param>
     private static void DownloadNewChapters(Connector connector, Publication publication, string language, ref Dictionary<Publication, List<Chapter>> chapterCollection)
     {
-        List<Chapter> newChapters = UpdateChapters(connector, publication, language, ref chapterCollection);
-        connector.DownloadCover(publication);
-        
-        //Check if Publication already has a Folder and a series.json
+        //Check if Publication already has a Folder
         string publicationFolder = Path.Join(connector.downloadLocation, publication.folderName);
         if(!Directory.Exists(publicationFolder))
             Directory.CreateDirectory(publicationFolder);
+        List<Chapter> newChapters = UpdateChapters(connector, publication, language, ref chapterCollection);
+
+        connector.DownloadCover(publication);
         
         string seriesInfoPath = Path.Join(publicationFolder, "series.json");
         if(!File.Exists(seriesInfoPath))

Tranga/TaskManager.cs

@@ -11,28 +11,30 @@ namespace Tranga;
 public class TaskManager
 {
     public Dictionary<Publication, List<Chapter>> _chapterCollection = new();
-    private readonly HashSet<TrangaTask> _allTasks;
+    private HashSet<TrangaTask> _allTasks;
     private bool _continueRunning = true;
     private readonly Connector[] _connectors;
     private readonly Dictionary<Connector, List<TrangaTask>> _taskQueue = new();
-    public SettingsData settings { get; }
+    public TrangaSettings settings { get; }
     private Logger? logger { get; }
-    public Komga? komga { get; }
+    public Komga? komga => settings.komga;
 
     /// <param name="downloadFolderPath">Local path to save data (Manga) to</param>
-    /// <param name="settingsFilePath">Path to the settings file (data.json)</param>
+    /// <param name="workingDirectory">Path to the working directory</param>
     /// <param name="komgaBaseUrl">The Url of the Komga-instance that you want to update</param>
     /// <param name="komgaUsername">The Komga username</param>
     /// <param name="komgaPassword">The Komga password</param>
     /// <param name="logger"></param>
-    public TaskManager(string downloadFolderPath, string? settingsFilePath = null, string? komgaBaseUrl = null, string? komgaUsername = null, string? komgaPassword = null, Logger? logger = null)
+    public TaskManager(string downloadFolderPath, string workingDirectory, string? komgaBaseUrl = null, string? komgaUsername = null, string? komgaPassword = null, Logger? logger = null)
     {
         this.logger = logger;
         _allTasks = new HashSet<TrangaTask>();
-        if (komgaBaseUrl != null && komgaUsername != null && komgaPassword != null)
-            this.komga = new Komga(komgaBaseUrl, komgaUsername, komgaPassword, logger);
 
-        this.settings = new SettingsData(downloadFolderPath, settingsFilePath, this.komga, this._allTasks);
+        Komga? newKomga = null;
+        if (komgaBaseUrl != null && komgaUsername != null && komgaPassword != null)
+            newKomga = new Komga(komgaBaseUrl, komgaUsername, komgaPassword, logger);
+        
+        this.settings = new TrangaSettings(downloadFolderPath, workingDirectory, newKomga);
         ExportData();
         
         this._connectors = new Connector[]{ new MangaDex(downloadFolderPath, logger) };
@@ -48,21 +50,22 @@ public class TaskManager
         Komga? komga = null;
         if (komgaUrl is not null && komgaAuth is not null)
             komga = new Komga(komgaUrl, komgaAuth, null);
-        settings.UpdateSettings(downloadLocation, komga);
+        settings.downloadLocation = downloadLocation ?? settings.downloadLocation;
+        settings.komga = komga ?? komga;
         ExportData();
     }
 
-    public TaskManager(SettingsData settings, Logger? logger = null)
+    public TaskManager(TrangaSettings settings, Logger? logger = null)
     {
         this.logger = logger;
         this._connectors = new Connector[]{ new MangaDex(settings.downloadLocation, logger) };
-        this.settings = settings;
-        ExportData();
-        
         foreach(Connector cConnector in this._connectors)
             _taskQueue.Add(cConnector, new List<TrangaTask>());
-        this.komga = settings.komga;
-        _allTasks = settings.allTasks;
+        _allTasks = new HashSet<TrangaTask>();
+        
+        this.settings = settings;
+        ImportData();
+        ExportData();
         Thread taskChecker = new(TaskCheckerThread);
         taskChecker.Start();
     }
@@ -160,12 +163,14 @@ public class TaskManager
             
             //Check if same task already exists
             if (!_allTasks.Any(trangaTask => trangaTask.task == task && trangaTask.connectorName == connector.name &&
-                                             trangaTask.publication?.downloadUrl == publication?.downloadUrl))
+                                             trangaTask.publication?.internalId == publication?.internalId))
             {
                 if(task != TrangaTask.Task.UpdatePublications)
                     _chapterCollection.TryAdd((Publication)publication!, new List<Chapter>());
                 _allTasks.Add(newTask);
             }
+            else
+                logger?.WriteLine(this.GetType().ToString(), $"Publication already exists {publication?.internalId}");
         }
         logger?.WriteLine(this.GetType().ToString(), $"Added new Task {newTask.ToString()}");
         ExportData();
@@ -185,18 +190,25 @@ public class TaskManager
         if (task == TrangaTask.Task.UpdateKomgaLibrary)
         {
             _allTasks.RemoveWhere(uTask => uTask.task == TrangaTask.Task.UpdateKomgaLibrary);
-            logger?.WriteLine(this.GetType().ToString(), $"Removed Task {task}");
+            logger?.WriteLine(this.GetType().ToString(), $"Removed Task {task} from all Tasks.");
         }
         else if (connectorName is null)
             throw new ArgumentException($"connectorName can not be null for Task {task}");
         else
         {
+            foreach (List<TrangaTask> taskQueue in this._taskQueue.Values)
+                if(taskQueue.RemoveAll(trangaTask =>
+                       trangaTask.task == task && trangaTask.connectorName == connectorName &&
+                       trangaTask.publication?.internalId == publication?.internalId) > 0)
+                    logger?.WriteLine(this.GetType().ToString(), $"Removed Task {task} {publication?.sortName} {publication?.internalId} from Queue.");
+                else
+                    logger?.WriteLine(this.GetType().ToString(), $"Task {task} {publication?.sortName} {publication?.internalId} was not in Queue.");
             if(_allTasks.RemoveWhere(trangaTask =>
                 trangaTask.task == task && trangaTask.connectorName == connectorName &&
-                trangaTask.publication?.downloadUrl == publication?.downloadUrl) > 0)
-                logger?.WriteLine(this.GetType().ToString(), $"Removed Task {task} {publication?.sortName} {publication?.downloadUrl}.");
+                trangaTask.publication?.internalId == publication?.internalId) > 0)
+                logger?.WriteLine(this.GetType().ToString(), $"Removed Task {task} {publication?.sortName} {publication?.internalId} from all Tasks.");
             else
-                logger?.WriteLine(this.GetType().ToString(), $"No Task {task} {publication?.sortName} {publication?.downloadUrl} could be found.");
+                logger?.WriteLine(this.GetType().ToString(), $"No Task {task} {publication?.sortName} {publication?.internalId} could be found.");
         }
         ExportData();
     }
@@ -289,19 +301,25 @@ public class TaskManager
         Environment.Exit(0);
     }
 
-    /// <summary>
-    /// Loads stored data (settings, tasks) from file
-    /// </summary>
-    /// <param name="importFilePath">working directory, filename has to be data.json</param>
-    public static SettingsData LoadData(string importFilePath)
+    private void ImportData()
     {
-        if (!File.Exists(importFilePath))
-            return new SettingsData(Directory.GetCurrentDirectory(), null, null, new HashSet<TrangaTask>());
+        logger?.WriteLine(this.GetType().ToString(), "Importing Data");
+        string buffer;
+        if (File.Exists(settings.tasksFilePath))
+        {
+            logger?.WriteLine(this.GetType().ToString(), $"Importing tasks from {settings.tasksFilePath}");
+            buffer = File.ReadAllText(settings.tasksFilePath);
+            this._allTasks = JsonConvert.DeserializeObject<HashSet<TrangaTask>>(buffer)!;
+        }
 
-        string toRead = File.ReadAllText(importFilePath);
-        SettingsData data = JsonConvert.DeserializeObject<SettingsData>(toRead)!;
-
-        return data;
+        if (File.Exists(settings.knownPublicationsPath))
+        {
+            logger?.WriteLine(this.GetType().ToString(), $"Importing known publications from {settings.knownPublicationsPath}");
+            buffer = File.ReadAllText(settings.knownPublicationsPath);
+            Publication[] publications = JsonConvert.DeserializeObject<Publication[]>(buffer)!;
+            foreach (Publication publication in publications)
+                this._chapterCollection.TryAdd(publication, new List<Chapter>());
+        }
     }
 
     /// <summary>
@@ -309,38 +327,15 @@ public class TaskManager
     /// </summary>
     private void ExportData()
     {
-        logger?.WriteLine(this.GetType().ToString(), $"Exporting data to {settings.settingsFilePath}");
+        logger?.WriteLine(this.GetType().ToString(), $"Exporting settings to {settings.settingsFilePath}");
+        File.WriteAllText(settings.settingsFilePath, JsonConvert.SerializeObject(settings));
         
+        logger?.WriteLine(this.GetType().ToString(), $"Exporting tasks to {settings.tasksFilePath}");
+        File.WriteAllText(settings.tasksFilePath, JsonConvert.SerializeObject(this._allTasks));
         
-
-        string serializedData = JsonConvert.SerializeObject(settings);
-
-        File.WriteAllText(settings.settingsFilePath, serializedData);
+        logger?.WriteLine(this.GetType().ToString(), $"Exporting known publications to {settings.knownPublicationsPath}");
+        File.WriteAllText(settings.knownPublicationsPath, JsonConvert.SerializeObject(this._chapterCollection.Keys.ToArray()));
     }
 
-    public class SettingsData
-    {
-        public string downloadLocation { get; private set; }
-        public string settingsFilePath { get; }
-        public Komga? komga { get; private set; }
-        public HashSet<TrangaTask> allTasks { get; }
     
-        public SettingsData(string downloadLocation, string? settingsFilePath, Komga? komga, HashSet<TrangaTask> allTasks)
-        {
-            this.settingsFilePath = settingsFilePath ??
-                                    Path.Join(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-                                        "Tranga", "data.json");
-            this.downloadLocation = downloadLocation;
-            this.komga = komga;
-            this.allTasks = allTasks;
-        }
-
-        public void UpdateSettings(string? pDownloadLocation, Komga? pKomga)
-        {
-            if(pDownloadLocation is not null)
-                this.downloadLocation = pDownloadLocation;
-            if(pKomga is not null)
-                this.komga = pKomga;
-        }
-    }
 }

Tranga/TrangaSettings.cs

@@ -0,0 +1,31 @@
+using Newtonsoft.Json;
+
+namespace Tranga;
+
+public class TrangaSettings
+{
+    public string downloadLocation { get; set; }
+    public string workingDirectory { get; set; }
+    [JsonIgnore]public string settingsFilePath => Path.Join(workingDirectory, "settings.json");
+    [JsonIgnore]public string tasksFilePath => Path.Join(workingDirectory, "tasks.json");
+    [JsonIgnore]public string knownPublicationsPath => Path.Join(workingDirectory, "knownPublications.json");
+    public Komga? komga { get; set; }
+
+    public TrangaSettings(string downloadLocation, string workingDirectory, Komga? komga)
+    {
+        this.workingDirectory = workingDirectory;
+        this.downloadLocation = downloadLocation;
+        this.komga = komga;
+    }
+
+    public static TrangaSettings LoadSettings(string importFilePath)
+    {
+        if (!File.Exists(importFilePath))
+            return new TrangaSettings(Path.Join(Directory.GetCurrentDirectory(), "Downloads"), Directory.GetCurrentDirectory(), null);
+
+        string toRead = File.ReadAllText(importFilePath);
+        TrangaSettings settings = JsonConvert.DeserializeObject<TrangaSettings>(toRead)!;
+
+        return settings;
+    }
+}

Tranga/TrangaTask.cs

@@ -56,6 +56,6 @@ public class TrangaTask
 
     public override string ToString()
     {
-        return $"{task,-20} | {lastExecuted,-20} | {reoccurrence,-12} | {state,-10} | {connectorName,-15} | {publication?.sortName}";
+        return $"{task}, {lastExecuted}, {reoccurrence}, {state} {(connectorName is not null ? $", {connectorName}" : "" )} {(publication is not null ? $", {publication?.sortName}": "")}";
     }
 }