Ojs\JournalBundle\Controller\ArticleAuthorController::deleteAction PHP 메소드

    public function deleteAction(Request $request, $id, $articleId)
    {
        $em = $this->getDoctrine()->getManager();
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $article = $em->getRepository('OjsJournalBundle:Article')->find($articleId);
        $articleAuthor = $em->getRepository('OjsJournalBundle:ArticleAuthor')->find($id);
        if (!$this->isGranted('DELETE', $journal, 'articles')) {
            throw new AccessDeniedException("You not authorized for this page!");
        }
        if (is_null($article) || $articleAuthor == null || $articleAuthor->getArticle()->getId() !== $article->getId()) {
            $this->throw404IfNotFound($articleAuthor);
        }
        $csrf = $this->get('security.csrf.token_manager');
        $token = $csrf->getToken('ojs_journal_article_author' . $articleAuthor->getId());
        if ($token != $request->get('_token')) {
            throw new TokenNotFoundException("Token Not Found!");
        }
        $this->get('ojs_core.delete.service')->check($articleAuthor);
        $em->remove($articleAuthor);
        $em->flush();
        $this->successFlashBag('successful.remove');
        return $this->redirectToRoute('ojs_journal_article_author_index', ['articleId' => $article->getId(), 'journalId' => $journal->getId()]);
    }