/**
  * Delete Video
  * @author Oleg D.
  */
 function delete($id = null)
 {
     //Configure::write('debug', '1');
     $userID = $this->getUserID();
     $video = $this->Video->read(null, $id);
     $this->Access->checkAccess('Video', 'd', $video['Video']['user_id']);
     if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER']) {
         $back_url = $_SERVER['HTTP_REFERER'];
     } else {
         $back_url = '/';
     }
     if ($this->Video->find('count', array('conditions' => array('id' => $id, 'is_deleted' => 0)))) {
         $this->Video->delete($id);
         $video = $this->Video->read(null, $id);
         $albumID = $video['Video']['model_id'];
         $this->Video->Album->changeFilesNum($albumID, -1);
         if ($video['Video']['is_file']) {
             App::import('Vendor', 'YouTube', array('file' => 'class.YouTube.php'));
             $VideoTube = new YouTube();
             $result = $VideoTube->deleteVideo($video['Video']['youtube_id']);
         }
         // if is album cover delete it from album cover
         $albumCoverID = $this->Video->Album->field('cover_video_id', array('id' => $video['Video']['model_id']));
         if ($albumCoverID == $id) {
             $newCoverID = intval($this->Video->field('id', array('model' => 'Album', 'model_id' => $video['Video']['model_id'], 'is_deleted' => 0)));
             $this->Video->Album->save(array('cover_video_id' => $newCoverID, 'id' => $video['Video']['model_id']));
         }
         Cache::delete('last_videos');
         $this->Session->setFlash('Video has been deleted', 'flash_success');
         if ($video['Video']['model_id']) {
             return $this->redirect('/Albums/show_video/' . $video['Video']['model_id']);
         }
     } else {
         $this->Session->setFlash(__('There is no such video'), 'flash_error');
     }
     $this->goHome();
     exit;
 }