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

    public function editAction($id, $articleId)
    {
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $this->throw404IfNotFound($journal);
        $event = new CitationEditEvent($journal->getId(), $articleId, $id);
        $editEvent = $this->get('event_dispatcher')->dispatch(CitationEvents::CITATION_EDIT, $event);
        $response = $editEvent->getResponse();
        if ($response !== null) {
            return $response;
        }
        if (!$this->isGranted('EDIT', $journal, 'articles')) {
            throw new AccessDeniedException("You not authorized for this page!");
        }
        $em = $this->getDoctrine()->getManager();
        $entity = $em->getRepository('OjsJournalBundle:Citation')->find($id);
        if (!$entity) {
            throw $this->createNotFoundException('Unable to find Citation entity.');
        }
        $editForm = $this->createEditForm($entity, $articleId);
        return $this->render('OjsJournalBundle:Citation:edit.html.twig', array('entity' => $entity, 'edit_form' => $editForm->createView()));
    }