update bookmarked playlist thumbnails when changed

app/src/main/java/com/github/libretube/db/dao/PlaylistBookmarkDao.kt

@@ -5,6 +5,7 @@ import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.Update
 import com.github.libretube.db.obj.PlaylistBookmark
 
 @Dao
@@ -21,6 +22,9 @@ interface PlaylistBookmarkDao {
     @Delete
     fun delete(playlistBookmark: PlaylistBookmark)
 
+    @Update
+    fun update(playlistBookmark: PlaylistBookmark)
+
     @Query("DELETE FROM playlistBookmark WHERE playlistId = :playlistId")
     fun deleteById(playlistId: String)
 

app/src/main/java/com/github/libretube/ui/activities/MainActivity.kt

@@ -95,7 +95,9 @@ class MainActivity : BaseActivity() {
         // sets the navigation bar color to the previously calculated color
         window.navigationBarColor = if (binding.bottomNav.menu.size() > 0) {
             SurfaceColors.getColorForElevation(this, 10F)
-        } else ThemeHelper.getThemeColor(this, android.R.attr.colorBackground)
+        } else {
+            ThemeHelper.getThemeColor(this, android.R.attr.colorBackground)
+        }
 
         // set default tab as start fragment
         navController.graph.setStartDestination(startFragmentId)

app/src/main/java/com/github/libretube/ui/fragments/PlaylistFragment.kt

@@ -224,6 +224,18 @@ class PlaylistFragment : BaseFragment() {
                     val itemTouchHelper = ItemTouchHelper(itemTouchCallback)
                     itemTouchHelper.attachToRecyclerView(binding.playlistRecView)
                 }
+
+                // update the playlist thumbnail if bookmarked
+                val playlistBookmark = DatabaseHolder.Database.playlistBookmarkDao().getAll()
+                    .firstOrNull { it.playlistId == playlistId }
+                playlistBookmark?.let {
+                    if (playlistBookmark.thumbnailUrl != response.thumbnailUrl) {
+                        playlistBookmark.thumbnailUrl = response.thumbnailUrl
+                        query {
+                            DatabaseHolder.Database.playlistBookmarkDao().update(playlistBookmark)
+                        }
+                    }
+                }
             }
         }
     }