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

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