Make sure a course mediaupload isnt added to default playlist

lib/Models/Videos.php

@@ -789,15 +789,25 @@ public static function addToCoursePlaylist($eventType, $episode, $video)
  // get the courses this series belongs to
  $series = SeminarSeries::findBySeries_id($episode->is_part_of);
  foreach ($series as $s) {
- $playlist = Helpers::checkCoursePlaylist($s['seminar_id']);
-
- $pvideo = PlaylistVideos::findOneBySQL('video_id = ? AND playlist_id = ?', [$video->id, $playlist->id]);
-
- if (empty($pvideo)) {
- $pvideo = new PlaylistVideos();
- $pvideo->video_id = $video->id;
- $pvideo->playlist_id = $playlist->id;
- $pvideo->store();
+ // Only add video to default playlist if it is not connected to a different playlist in this course
+ $stmt = \DBManager::get()->prepare($sql = 'SELECT count(*) FROM oc_playlist_seminar
+ INNER JOIN oc_playlist_video ON (oc_playlist_video.playlist_id = oc_playlist_seminar.playlist_id)
+ WHERE oc_playlist_seminar.seminar_id = ?
+ AND oc_playlist_video.video_id = ?
+ ');
+ $stmt->execute([$video->id, $s['seminar_id']]);
+ if ($stmt->fetchColumn() == 0) {
+ // Add video to default playlist here
+ $playlist = Helpers::checkCoursePlaylist($s['seminar_id']);
+
+ $pvideo = PlaylistVideos::findOneBySQL('video_id = ? AND playlist_id = ?', [$video->id, $playlist->id]);
+
+ if (empty($pvideo)) {
+ $pvideo = new PlaylistVideos();
+ $pvideo->video_id = $video->id;
+ $pvideo->playlist_id = $playlist->id;
+ $pvideo->store();
+ }
  }
  }
  }