Add option to backup non-library read entries (#1324)

Co-authored-by: jobobby04 <jobobby04@gmail.com>
Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

data/src/main/java/tachiyomi/data/manga/MangaRepositoryImpl.kt

@@ -49,6 +49,10 @@ class MangaRepositoryImpl(
         return handler.awaitList { mangasQueries.getFavorites(MangaMapper::mapManga) }
     }
 
+    override suspend fun getReadMangaNotInLibrary(): List<Manga> {
+        return handler.awaitList { mangasQueries.getReadMangaNotInLibrary(MangaMapper::mapManga) }
+    }
+
     override suspend fun getLibraryManga(): List<LibraryManga> {
         return handler.awaitList { libraryViewQueries.library(MangaMapper::mapLibraryManga) }
     }

data/src/main/sqldelight/tachiyomi/data/mangas.sq

@@ -78,6 +78,15 @@ SELECT *
 FROM mangas
 WHERE favorite = 1;
 
+getReadMangaNotInLibrary:
+SELECT *
+FROM mangas
+WHERE favorite = 0 AND _id IN (
+    SELECT DISTINCT chapters.manga_id 
+    FROM chapters 
+    WHERE read = 1 OR last_page_read != 0
+);
+
 getAllManga:
 SELECT *
 FROM mangas;