public function delete(PropelPDO $con = null)
 {
     $torrents = $this->getTorrents();
     foreach ($torrents as $torrent) {
         $torrent->delete($con);
     }
     return parent::delete($con);
 }
 public function save(Doctrine_Connection $conn = null)
 {
     if (!$this->isNew() && !$this->getSkipBackup() && in_array('graphic_file', $this->_modified) && $this->_get('graphic_file')) {
         $file_location = rtrim(ProjectConfiguration::getEpisodeGraphicFileLocalDirectory(), '/') . '/';
         $filename = $this->_get('graphic_file');
         if (file_exists($file_location . $filename)) {
             ProjectConfiguration::registerAws();
             $response = $this->saveFileToApplicationBucket($file_location, $filename, 'upload', AmazonS3::ACL_PUBLIC);
             if ($response->isOK()) {
                 unlink($file_location . $filename);
             }
         }
     }
     if (!$this->isNew() && !$this->getSkipBackup() && in_array('audio_file', $this->_modified) && $this->_get('audio_file')) {
         $file_location = rtrim(ProjectConfiguration::getEpisodeAudioFileLocalDirectory(), '/') . '/';
         $filename = $this->_get('audio_file');
         if (file_exists($file_location . $filename)) {
             ProjectConfiguration::registerAws();
             $response = $this->saveFileToApplicationBucket($file_location, $filename, 'audio');
         }
     }
     if (!$this->isNew() && in_array('is_submitted', $this->_modified) && $this->_get('is_submitted')) {
         /* The episode has been submitted.  We need to send an email about
          * it to the subreddit moderators.
          */
         $types = array('moderator');
         $memberships = sfGuardUserSubredditMembershipTable::getInstance()->getAllBySubredditAndMemberships($this->getSubredditId(), $types);
         $initial_is_submitted = $this->_get('is_submitted');
         $initial_submitted_at = $this->_get('submitted_at');
         foreach ($memberships as $membership) {
             $user = $membership->getSfGuardUser();
             $parameters = array('user_id' => $membership->getSfGuardUserId(), 'episode_id' => $this->getIncremented());
             $prefer_html = $user->getPreferHtml();
             $address = $user->getEmailAddress();
             $name = $user->getPreferredName() ? $user->getPreferredName() : $user->getFullName();
             $email = EmailTable::getInstance()->getFirstByEmailTypeAndLanguage('EpisodeApprovalPending', $user->getPreferredLanguage());
             $subject = $email->generateSubject($parameters);
             $body = $email->generateBodyText($parameters, $prefer_html);
             $from = sfConfig::get('app_email_address', ProjectConfiguration::getApplicationName() . ' <' . ProjectConfiguration::getApplicationEmailAddress() . '>');
             AppMail::sendMail($address, $from, $subject, $body, $prefer_html ? $body : null);
             $user->addLoginMessage('You have Episodes awaiting your approval.');
         }
         // @todo: The previous foreach loop sets the 'is_submitted' and 'submitted_at' columns to null.  I don't know why.
         $this->_set('is_submitted', $initial_is_submitted);
         $this->_set('submitted_at', $initial_submitted_at);
     }
     return parent::save($conn);
 }