Ojs\JournalBundle\Controller\CitationController::createAction PHP Метод

    public function createAction(Request $request, $articleId)
    {
        /** @var Article $article */
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $article = $this->getDoctrine()->getRepository('OjsJournalBundle:Article')->find($articleId);
        $this->throw404IfNotFound($journal);
        $this->throw404IfNotFound($article);
        if (!$this->isGranted('CREATE', $journal, 'articles')) {
            throw new AccessDeniedException("You not authorized for this page!");
        }
        $entity = new Citation();
        $form = $this->createCreateForm($entity, $articleId);
        $form->handleRequest($request);
        if ($form->isValid()) {
            $em = $this->getDoctrine()->getManager();
            $em->persist($entity);
            $em->flush();
            $article->getCitations()->add($entity);
            $em->persist($article);
            $em->flush();
            return $this->redirect($this->generateUrl('ojs_journal_citation_show', array('id' => $entity->getId(), 'journalId' => $journal->getId(), 'articleId' => $articleId)));
        }
        return $this->render('OjsJournalBundle:Citation:new.html.twig', array('entity' => $entity, 'form' => $form->createView()));
    }