Tranga/Chapter.cs

@@ -45,14 +45,15 @@ public struct Chapter
         if (!Directory.Exists(Path.Join(downloadLocation, parentPublication.folderName)))
             return false;
         FileInfo[] archives = new DirectoryInfo(Path.Join(downloadLocation, parentPublication.folderName)).GetFiles();
-        Regex chapterInfoRex = new(@"Ch\.[0-9.]+");
-        Regex chapterRex = new(@"[0-9]+(\.[0-9]+)?");
+        Regex infoRex = new(@"(Vol.[0-9]*)?Ch.[0-9]+");
+        Regex chapterInfoRex = new(@"Ch.[0-9]+");
+        Regex chapterRex = new(@"[0-9]+");
         
         if (File.Exists(newFilePath))
             return true;
 
         string cn = this.chapterNumber;
-        if (archives.FirstOrDefault(archive => chapterRex.Match(chapterInfoRex.Match(archive.Name).Value).Value == cn) is { } path)
+        if (archives.FirstOrDefault(archive => chapterRex.Match(chapterInfoRex.Match(infoRex.Match(archive.Name).Value).Value).Value == cn) is { } path)
         {
             File.Move(path.FullName, newFilePath);
             return true;

Tranga/Connectors/MangaDex.cs

@@ -190,9 +190,9 @@ public class MangaDex : Connector
                     ? attributes["volume"]!.GetValue<string>()
                     : null;
                 
-                string chapterNum = attributes.ContainsKey("chapter") && attributes["chapter"] is not null
+                string? chapterNum = attributes.ContainsKey("chapter") && attributes["chapter"] is not null
                     ? attributes["chapter"]!.GetValue<string>()
-                    : "null";
+                    : null;
                 
                 chapters.Add(new Chapter(publication, title, volume, chapterNum, chapterId));
             }

Tranga/TaskManager.cs

@@ -159,7 +159,6 @@ public class TaskManager
         }
         foreach(TrangaTask childTask in removeTask.childTasks)
             DeleteTask(childTask);
-        ExportDataAndSettings();
     }
 
     public IEnumerable<TrangaTask> GetTasksMatching(TrangaTask mTask)

Tranga/TrangaTask.cs

@@ -95,6 +95,8 @@ public abstract class TrangaTask
                         break;
                 }
         
+        foreach(TrangaTask childTask in this.childTasks.ToArray())
+            taskManager.DeleteTask(childTask);
         
         if ((int)statusCode >= 200 && (int)statusCode < 300)
         {
@@ -106,13 +108,12 @@ public abstract class TrangaTask
         }
         else
         {
+            if (this is DownloadChapterTask && statusCode == HttpStatusCode.NotFound)
+                this.state = ExecutionState.Success;
+            else
                 this.state = ExecutionState.Failed;
             this.lastExecuted = DateTime.MaxValue;
         }
-
-        foreach (TrangaTask childTask in this.childTasks.Where(ct => ct is DownloadChapterTask).ToArray())
-            taskManager.DeleteTask(childTask);
-        
         logger?.WriteLine(this.GetType().ToString(), $"Finished Executing Task {this}");
     }