From 8d7ab13f5ce49d5b41700b9089eebe6bd2cc3013 Mon Sep 17 00:00:00 2001
From: arkon <eugcheung94@gmail.com>
Date: Sat, 8 May 2021 09:13:49 -0400
Subject: [PATCH] Don't toggle favorite status from snackbar if already added
 (fixes #5038)

---
 .../main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
index 153672316f..8be864f0af 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
@@ -944,7 +944,9 @@ class MangaController :
         if (view != null && !manga.favorite) {
             addSnackbar = (activity as? MainActivity)?.binding?.rootCoordinator?.snack(view.context.getString(R.string.snack_add_to_library), Snackbar.LENGTH_INDEFINITE) {
                 setAction(R.string.action_add) {
-                    addToLibrary(manga)
+                    if (!manga.favorite) {
+                        addToLibrary(manga)
+                    }
                 }
             }
         }