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

    public function createAction(Request $request)
    {
        $em = $this->getDoctrine()->getManager();
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $eventDispatcher = $this->get('event_dispatcher');
        if (!$this->isGranted('CREATE', $journal, 'issues')) {
            throw new AccessDeniedException("You are not authorized for create a issue on this journal!");
        }
        $entity = new Issue();
        $form = $this->createCreateForm($entity, $journal->getId());
        $form->handleRequest($request);
        if ($form->isValid()) {
            $entity->setJournal($journal);
            $entity->setCurrentLocale($request->getDefaultLocale());
            $event = new JournalItemEvent($entity);
            $eventDispatcher->dispatch(IssueEvents::PRE_CREATE, $event);
            $em->persist($event->getItem());
            $em->flush();
            $event = new JournalItemEvent($event->getItem());
            $eventDispatcher->dispatch(IssueEvents::POST_CREATE, $event);
            if ($event->getResponse()) {
                return $event->getResponse();
            }
            $this->successFlashBag('successful.create');
            return $this->redirectToRoute('ojs_journal_issue_show', ['id' => $entity->getId(), 'journalId' => $journal->getId()]);
        }
        return $this->render('OjsJournalBundle:Issue:new.html.twig', array('entity' => $entity, 'form' => $form->createView()));
    }