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

    public function editAction(Request $request)
    {
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        if (!$this->isGranted('EDIT', $journal, 'submissionSettings')) {
            throw new AccessDeniedException("You are not authorized for edit this journal's section!");
        }
        $em = $this->getDoctrine()->getManager();
        $entity = $em->getRepository('OjsJournalBundle:SubmissionSetting')->findOneBy([]);
        if (!$entity) {
            $entity = $this->createSubmissionSetting($journal);
        }
        $editForm = $this->createEditForm($entity);
        $editForm->handleRequest($request);
        if ($editForm->isValid() && $request->getMethod() == 'PUT') {
            $em->flush();
            $this->successFlashBag('successful.update');
        }
        return $this->render('OjsJournalBundle:SubmissionSetting:edit.html.twig', array('entity' => $entity, 'form' => $editForm->createView()));
    }