Add function in interface to get list of genres

app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.kt

@@ -28,6 +28,10 @@ interface Manga : SManga {
         return chapter_flags and SORT_MASK == SORT_DESC
     }
 
+    fun getGenres(): List<String>? {
+        return genre?.split(", ")?.map { it.trim() }
+    }
+
     // Used to display the chapter's title one way or another
     var displayMode: Int
         get() = chapter_flags and DISPLAY_MASK

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryItem.kt

@@ -70,10 +70,9 @@ class LibraryItem(val manga: LibraryManga, private val libraryAsList: Preference
                 (manga.artist?.contains(constraint, true) ?: false) ||
                 sourceManager.getOrStub(manga.source).name.contains(constraint, true) ||
                 if (constraint.contains(",")) {
-                    val genres = manga.genre?.split(", ")
-                    constraint.split(",").all { containsGenre(it.trim(), genres) }
+                    constraint.split(",").all { containsGenre(it.trim(), manga.getGenres()) }
                 } else {
-                    containsGenre(constraint, manga.genre?.split(", "))
+                    containsGenre(constraint, manga.getGenres())
                 }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoController.kt

@@ -245,16 +245,14 @@ class MangaInfoController : NucleusController<MangaInfoPresenter>(),
         if (!manga.genre.isNullOrBlank()) {
             binding.mangaGenresTags.removeAllViews()
 
-            manga.genre?.split(", ").orEmpty()
-                .map { it.trim() }
-                .forEach { genre ->
-                    val chip = Chip(view.context).apply {
-                        text = genre
-                        setOnClickListener { performSearch(genre) }
-                    }
-
-                    binding.mangaGenresTags.addView(chip)
+            manga.getGenres()?.forEach { genre ->
+                val chip = Chip(view.context).apply {
+                    text = genre
+                    setOnClickListener { performSearch(genre) }
                 }
+
+                binding.mangaGenresTags.addView(chip)
+            }
         }
 
         // Update description TextView.