/**
  *{@inheritdoc}
  */
 protected function setUpSourceObjects()
 {
     $language = $this->languageManager->get();
     if (null === $language) {
         return null;
     }
     return $this->seoManager->getSeoRepository()->fromLanguageId($language->getId());
 }
 /**
  * Adds the page's seo attributes when a new page is added, for each language of
  * the site
  *
  * @param  BeforeAddPageCommitEvent $event
  * @return boolean
  * @throws InvalidArgumentException
  * @throws \Exception
  *
  * @api
  */
 public function onBeforeAddPageCommit(BeforeAddPageCommitEvent $event)
 {
     if ($event->isAborted()) {
         return;
     }
     $pageManager = $event->getContentManager();
     $pageRepository = $pageManager->getPageRepository();
     $values = $event->getValues();
     if (!is_array($values)) {
         throw new InvalidArgumentException('exception_invalid_value_array_required');
     }
     try {
         $languages = $this->languageRepository->activeLanguages();
         if (count($languages)) {
             $result = true;
             $idPage = $pageManager->get()->getId();
             $this->seoManager->getSeoRepository()->setConnection($pageRepository->getConnection());
             $pageRepository->startTransaction();
             foreach ($languages as $alLanguage) {
                 $seoManagerValues = array_merge($values, array('PageId' => $idPage, 'LanguageId' => $alLanguage->getId(), 'CreatedAt' => date("Y-m-d H:i:s")));
                 if (!$alLanguage->getMainLanguage() && array_key_exists('Permalink', $seoManagerValues)) {
                     $seoManagerValues['Permalink'] = $alLanguage->getLanguageName() . '-' . $seoManagerValues['Permalink'];
                 }
                 $this->seoManager->set(null);
                 $result = $this->seoManager->save($seoManagerValues);
                 if (false === $result) {
                     break;
                 }
             }
             if (false !== $result) {
                 $pageRepository->commit();
                 return;
             }
             $pageRepository->rollBack();
             $event->abort();
         }
     } catch (\Exception $e) {
         $event->abort();
         if (isset($pageRepository) && $pageRepository !== null) {
             $pageRepository->rollBack();
         }
         throw $e;
     }
 }
 /**
  *{@inheritdoc}
  */
 protected function setUpSourceObjects()
 {
     return $this->seoManager->getSeoRepository()->fromLanguageId($this->getBaseLanguage()->getId());
 }