load Media info from DB in order to grab last saved position (#5624)

core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java

@@ -72,7 +72,6 @@ import de.danoeh.antennapod.core.preferences.SleepTimerPreferences;
 import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.receiver.MediaButtonReceiver;
 import de.danoeh.antennapod.core.storage.DBReader;
-import de.danoeh.antennapod.core.storage.DBTasks;
 import de.danoeh.antennapod.core.storage.DBWriter;
 import de.danoeh.antennapod.core.storage.FeedSearcher;
 import de.danoeh.antennapod.core.sync.queue.SynchronizationQueueSink;
@@ -997,13 +996,7 @@ public class PlaybackService extends MediaBrowserServiceCompat {
             return null;
         }
         FeedItem nextItem;
-        try {
-            final List<FeedItem> queue = taskManager.getQueue();
-            nextItem = DBTasks.getQueueSuccessorOfItem(item.getId(), queue);
-        } catch (InterruptedException e) {
-            Log.e(TAG, "Error handling the queue in order to retrieve the next item", e);
-            return null;
-        }
+        nextItem = DBReader.getNextInQueue(item);
 
         if (nextItem == null || nextItem.getMedia() == null) {
             PlaybackPreferences.writeNoMediaPlaying();
@@ -1030,7 +1023,6 @@ public class PlaybackService extends MediaBrowserServiceCompat {
             return null;
         }
         return nextItem.getMedia();
-
     }
 
     /**

core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java

@@ -564,6 +564,34 @@ public final class DBReader {
         }
     }
 
+    /**
+     * Get next feed item in queue following a particular feeditem
+     *
+     * @param item The FeedItem
+     * @return The FeedItem next in queue or null if the FeedItem could not be found.
+     */
+    @Nullable
+    public static FeedItem getNextInQueue(FeedItem item) {
+        Log.d(TAG, "getNextInQueue() called with: " + "itemId = [" + item.getId() + "]");
+        PodDBAdapter adapter = PodDBAdapter.getInstance();
+        adapter.open();
+        try {
+            FeedItem nextItem = null;
+            try (Cursor cursor = adapter.getNextInQueue(item)) {
+                List<FeedItem> list = extractItemlistFromCursor(adapter, cursor);
+                if (!list.isEmpty()) {
+                    nextItem = list.get(0);
+                    loadAdditionalFeedItemListData(list);
+                }
+                return nextItem;
+            } catch (Exception e) {
+                return null;
+            }
+        } finally {
+            adapter.close();
+        }
+    }
+
     /**
      * Loads a specific FeedItem from the database.
      *

core/src/main/java/de/danoeh/antennapod/core/storage/PodDBAdapter.java

@@ -982,6 +982,18 @@ public class PodDBAdapter {
         return db.query(TABLE_NAME_QUEUE, new String[]{KEY_FEEDITEM}, null, null, null, null, KEY_ID + " ASC", null);
     }
 
+    public Cursor getNextInQueue(final FeedItem item) {
+        final String query = SELECT_FEED_ITEMS_AND_MEDIA
+                + "INNER JOIN " + TABLE_NAME_QUEUE
+                + " ON " + SELECT_KEY_ITEM_ID + " = " + TABLE_NAME_QUEUE + "." + KEY_FEEDITEM
+                + " WHERE Queue.ID > (SELECT Queue.ID FROM Queue WHERE Queue.FeedItem = "
+                +  item.getId()
+                + ")"
+                + " ORDER BY Queue.ID"
+                + " LIMIT 1";
+        return db.rawQuery(query, null);
+    }
+
     public final Cursor getFavoritesCursor(int offset, int limit) {
         final String query = SELECT_FEED_ITEMS_AND_MEDIA
                 + " INNER JOIN " + TABLE_NAME_FAVORITES