Ojs\JournalBundle\Controller\JournalThemeController::deleteAction PHP Метод

    public function deleteAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getManager();
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        if (!$this->isGranted('DELETE', $journal, 'theme')) {
            throw new AccessDeniedException("You are not authorized for view this page");
        }
        /** @var JournalTheme $entity */
        $entity = $em->getRepository('OjsJournalBundle:JournalTheme')->find($id);
        $this->throw404IfNotFound($entity);
        $csrf = $this->get('security.csrf.token_manager');
        $token = $csrf->getToken('ojs_journal_theme' . $entity->getId());
        if ($token != $request->get('_token')) {
            throw new TokenNotFoundException("Token Not Found!");
        }
        $this->get('ojs_core.delete.service')->check($entity);
        $em->remove($entity);
        $em->flush();
        $this->successFlashBag('successful.remove');
        return $this->redirectToRoute('ojs_journal_theme_index', ['journalId' => $journal->getId()]);
    }