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

    public function deleteAction(Request $request, $id, $articleId)
    {
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $this->throw404IfNotFound($journal);
        // Because when we delete a citation, that means we are editing an article.
        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);
        $this->throw404IfNotFound($entity);
        $csrf = $this->get('security.csrf.token_manager');
        $token = $csrf->getToken('ojs_journal_citation' . $id);
        if ($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 $this->redirect($this->generateUrl('ojs_journal_citation_index', array('journalId' => $journal->getId(), 'articleId' => $articleId)));
    }