priority manga update list

Author: cuong-tran

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateJob.kt

@@ -339,7 +339,21 @@ class LibraryUpdateJob(private val context: Context, workerParams: WorkerParamet
                     else -> true
                 }
             }
-            .sortedBy { it.manga.title }
+            .sortedWith(
+                compareByDescending<LibraryManga> {
+                    // Prefer manga updating today
+                    it.manga.nextUpdate <= fetchWindowUpperBound
+                }.thenByDescending {
+                    // Prefer manga the user has started
+                    it.lastRead > 0L
+                }.thenByDescending {
+                    // Prefer manga that the user has most recently read
+                    it.lastRead
+                }.thenByDescending {
+                    // Default sorting
+                    it.manga.title
+                },
+            )
 
         notifier.showQueueSizeWarningNotificationIfNeeded(mangaToUpdate)