Comic Rework (Part 1) (#2772)

API/Services/Tasks/Scanner/Parser/BookParser.cs

@@ -0,0 +1,47 @@
+using API.Data.Metadata;
+using API.Entities.Enums;
+
+namespace API.Services.Tasks.Scanner.Parser;
+
+public class BookParser(IDirectoryService directoryService, IBookService bookService, IDefaultParser basicParser) : DefaultParser(directoryService)
+{
+    public override ParserInfo Parse(string filePath, string rootPath, string libraryRoot, LibraryType type, ComicInfo comicInfo = null)
+    {
+        var info = bookService.ParseInfo(filePath);
+        if (info == null) return null;
+
+        // This catches when original library type is Manga/Comic and when parsing with non
+        if (Parser.ParseVolume(info.Series) != Parser.LooseLeafVolume) // Shouldn't this be info.Volume != DefaultVolume?
+        {
+            var hasVolumeInTitle = !Parser.ParseVolume(info.Title)
+                .Equals(Parser.LooseLeafVolume);
+            var hasVolumeInSeries = !Parser.ParseVolume(info.Series)
+                .Equals(Parser.LooseLeafVolume);
+
+            if (string.IsNullOrEmpty(info.ComicInfo?.Volume) && hasVolumeInTitle && (hasVolumeInSeries || string.IsNullOrEmpty(info.Series)))
+            {
+                // This is likely a light novel for which we can set series from parsed title
+                info.Series = Parser.ParseSeries(info.Title);
+                info.Volumes = Parser.ParseVolume(info.Title);
+            }
+            else
+            {
+                var info2 = basicParser.Parse(filePath, rootPath, libraryRoot, LibraryType.Book, comicInfo);
+                info.Merge(info2);
+            }
+        }
+
+        return string.IsNullOrEmpty(info.Series) ? null : info;
+    }
+
+    /// <summary>
+    /// Only applicable for Epub files
+    /// </summary>
+    /// <param name="filePath"></param>
+    /// <param name="type"></param>
+    /// <returns></returns>
+    public override bool IsApplicable(string filePath, LibraryType type)
+    {
+        return Parser.IsEpub(filePath);
+    }
+}