/**
  * Executes addComment action, which returns a form enabling the insertion of a comment
  * The request may include 1 fields: entry id.
  */
 protected function executeImpl(kshow $kshow, entry &$entry)
 {
     $kshow_id = $kshow->getId();
     if ($this->partner_id != null) {
         // this part overhere should be in a more generic place - part of the services
         $multiple_roghcuts = Partner::allowMultipleRoughcuts($this->partner_id);
         $likuser_id = $this->getLoggedInUserId();
     } else {
         // 	is the logged-in-user is not an admin or the producer - check if show can be published
         $likuser_id = $this->getLoggedInUserId();
         $multiple_roghcuts = true;
     }
     if (!$likuser_id) {
         return $this->securityViolation($kshow->getId());
     }
     $isIntro = $kshow->getIntroId() == $entry->getId();
     if ($multiple_roghcuts) {
         // create a new entry in two cases:
         // 1. the user saving the roughcut isnt the owner of the entry
         // 2. the entry is an intro and the current entry is not show (probably an image or video)
         if ($entry->getKuserId() != $likuser_id || $isIntro && $entry->getMediaType() != entry::ENTRY_MEDIA_TYPE_SHOW) {
             // TODO: add security check to whether multiple roughcuts are allowed
             // create a new roughcut entry by cloning the original entry
             $entry = myEntryUtils::deepClone($entry, $kshow_id, false);
             $entry->setKuserId($likuser_id);
             $entry->setCreatorKuserId($likuser_id);
             $entry->setCreatedAt(time());
             $entry->setMediaType(entry::ENTRY_MEDIA_TYPE_SHOW);
             $entry->save();
         }
     }
     /*
     		$viewer_type = myKshowUtils::getViewerType($kshow, $likuser_id);
     		if ( $viewer_type != KshowKuser::KSHOWKUSER_VIEWER_PRODUCER && ( ! $kshow->getCanPublish() ) ) 
     		{
     			// ERROR - attempting to publish a non-publishable show
     			return $this->securityViolation( $kshow->getId() );
     		}
     */
     $this->xml_content = "<xml><EntryID>" . $entry->getId() . "</EntryID></xml>";
     if ($isIntro) {
         $kshow->setIntroId($entry->getId());
     } else {
         $kshow->setShowEntryId($entry->getId());
         $has_roughcut = @$_REQUEST["HasRoughCut"];
         if ($has_roughcut === "0") {
             $kshow->setHasRoughcut(false);
             $kshow->save();
             return;
         }
     }
     $content = @$_REQUEST["xml"];
     $update_kshow = false;
     if ($content != NULL) {
         list($xml_content, $this->comments, $update_kshow) = myMetadataUtils::setMetadata($content, $kshow, $entry);
         // Send an email alert to producer
         if ($kshow->getProducerId() != $likuser_id) {
             // don't send producer alerts when the producer is the editor
             alertPeer::sendEmailIfNeeded($kshow->getProducerId(), alert::KALTURAS_PRODUCED_ALERT_TYPE_ROUGHCUT_CREATED, array('screenname' => $this->getUser()->getAttribute('screenname'), 'kshow_name' => $kshow->getName(), 'kshow_id' => $kshow->getId()));
         }
         // TODO:  efficiency: see if there is a wa to search for contributors based on some other method than full entry table scan
         // Send email alerts to contributors
         $c = new Criteria();
         $c->add(entryPeer::KSHOW_ID, $kshow_id);
         $c->add(entryPeer::KUSER_ID, $likuser_id, Criteria::NOT_EQUAL);
         // the current user knows they just edited
         $c->addAnd(entryPeer::KUSER_ID, $kshow->getProducerId(), Criteria::NOT_EQUAL);
         // the producer knows they just edited
         $c->add(entryPeer::TYPE, entryType::MEDIA_CLIP);
         $c->addGroupByColumn(entryPeer::KUSER_ID);
         $entries = entryPeer::doSelect($c);
         $already_received_alert_array = array();
         foreach ($entries as $entry) {
             alertPeer::sendEmailIfNeeded($entry->getKuserId(), alert::KALTURAS_PARTOF_ALERT_TYPE_ROUGHCUT_CREATED, array('screenname' => $this->getUser()->getAttribute('screenname'), 'kshow_name' => $kshow->getName(), 'kshow_id' => $kshow->getId()));
             $already_received_alert_array[$entry->getKuserId()] = true;
         }
         // send email alert to subscribers
         $c = new Criteria();
         $c->add(KshowKuserPeer::KSHOW_ID, $kshow_id);
         //only subsribers of this show
         $c->add(KshowKuserPeer::KUSER_ID, $likuser_id, Criteria::NOT_EQUAL);
         // the current user knows they just edited
         $c->add(KshowKuserPeer::SUBSCRIPTION_TYPE, KshowKuser::KSHOW_SUBSCRIPTION_NORMAL);
         // this table stores other relations too
         $subscriptions = KshowKuserPeer::doSelect($c);
         foreach ($subscriptions as $subscription) {
             if (!isset($already_received_alert_array[$subscription->getKuserId()])) {
                 // don't send emails to subscribed users who are also contributors
                 alertPeer::sendEmailIfNeeded($subscription->getKuserId(), alert::KALTURAS_SUBSCRIBEDTO_ALERT_TYPE_ROUGHCUT_CREATED, array('screenname' => $this->getUser()->getAttribute('screenname'), 'kshow_name' => $kshow->getName(), 'kshow_id' => $kshow->getId()));
             }
         }
         if ($this->debug) {
             return "text/html; charset=utf-8";
         }
     } else {
         $this->comments = "";
         // if there is no xml - receive it from the user
         $this->debug = true;
         $file_name = myContentStorage::getFSContentRootPath() . "/" . $entry->getDataPath();
         //$this->xml_content = kFile::getFileContent( $file_name );
         return "text/html; charset=utf-8";
     }
 }