Fix Set categories dialog not showing up when manga is added from download snackbar

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

@@ -13,7 +13,6 @@ import com.bluelinelabs.conductor.RouterTransaction
 import com.bluelinelabs.conductor.support.RouterPagerAdapter
 import com.google.android.material.tabs.TabLayout
 import com.jakewharton.rxrelay.BehaviorRelay
-import com.jakewharton.rxrelay.PublishRelay
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Manga
@@ -63,8 +62,6 @@ class MangaController : RxController<PagerControllerBinding>, TabbedController {
 
     val fromSource = args.getBoolean(FROM_SOURCE_EXTRA, false)
 
-    val mangaFavoriteRelay: PublishRelay<Boolean> = PublishRelay.create()
-
     private val trackingIconRelay: BehaviorRelay<Boolean> = BehaviorRelay.create()
 
     private var trackingIconSubscription: Subscription? = null

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/MangaInfoChaptersController.kt

@@ -97,7 +97,7 @@ class MangaInfoChaptersController(private val fromSource: Boolean = false) :
     override fun createPresenter(): MangaInfoChaptersPresenter {
         val ctrl = parentController as MangaController
         return MangaInfoChaptersPresenter(
-            ctrl.manga!!, ctrl.source!!, ctrl.mangaFavoriteRelay
+            ctrl.manga!!, ctrl.source!!
         )
     }
 
@@ -381,6 +381,11 @@ class MangaInfoChaptersController(private val fromSource: Boolean = false) :
             toggleFavorite()
             activity?.toast(activity?.getString(R.string.manga_removed_library))
         } else {
+            addToLibrary(manga)
+        }
+    }
+
+    private fun addToLibrary(manga: Manga) {
         val categories = presenter.getCategories()
         val defaultCategoryId = preferences.defaultCategory()
         val defaultCategory = categories.find { it.id == defaultCategoryId }
@@ -412,7 +417,6 @@ class MangaInfoChaptersController(private val fromSource: Boolean = false) :
             }
         }
     }
-    }
 
     /**
      * Toggles the favorite status and asks for confirmation to delete downloaded chapters.
@@ -758,11 +762,12 @@ class MangaInfoChaptersController(private val fromSource: Boolean = false) :
 
     private fun downloadChapters(chapters: List<ChapterItem>) {
         val view = view
+        val manga = presenter.manga
         presenter.downloadChapters(chapters)
-        if (view != null && !presenter.manga.favorite) {
+        if (view != null && !manga.favorite) {
             binding.recycler.snack(view.context.getString(R.string.snack_add_to_library), Snackbar.LENGTH_INDEFINITE) {
                 setAction(R.string.action_add) {
-                    presenter.addToLibrary()
+                    addToLibrary(manga)
                 }
             }
         }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/MangaInfoChaptersPresenter.kt

@@ -30,7 +30,6 @@ import uy.kohesive.injekt.api.get
 class MangaInfoChaptersPresenter(
     val manga: Manga,
     val source: Source,
-    private val mangaFavoriteRelay: PublishRelay<Boolean>,
     val preferences: PreferencesHelper = Injekt.get(),
     private val db: DatabaseHelper = Injekt.get(),
     private val downloadManager: DownloadManager = Injekt.get(),
@@ -79,11 +78,6 @@ class MangaInfoChaptersPresenter(
         getMangaObservable()
             .subscribeLatestCache({ view, manga -> view.onNextMangaInfo(manga, source) })
 
-        // Update favorite status
-        mangaFavoriteRelay.observeOn(AndroidSchedulers.mainThread())
-            .subscribe { setFavorite(it) }
-            .apply { add(this) }
-
         // Prepare the relay.
         chaptersRelay.flatMap { applyChapterFilters(it) }
             .observeOn(AndroidSchedulers.mainThread())
@@ -161,13 +155,6 @@ class MangaInfoChaptersPresenter(
         return manga.favorite
     }
 
-    private fun setFavorite(favorite: Boolean) {
-        if (manga.favorite == favorite) {
-            return
-        }
-        toggleFavorite()
-    }
-
     /**
      * Returns true if the manga has any downloads.
      */
@@ -498,13 +485,6 @@ class MangaInfoChaptersPresenter(
         refreshChapters()
     }
 
-    /**
-     * Adds manga to library
-     */
-    fun addToLibrary() {
-        mangaFavoriteRelay.call(true)
-    }
-
     /**
      * Sets the active display mode.
      * @param mode the mode to set.