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

    public function deleteAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getManager();
        /** @var IssueFile $entity */
        $entity = $em->getRepository('OjsJournalBundle:IssueFile')->find($id);
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        if (!$this->isGranted('DELETE', $journal, 'issues')) {
            throw new AccessDeniedException('You are not authorized for delete this issue file!');
        }
        /** @var Issue $issue */
        $issue = $em->getRepository('OjsJournalBundle:Issue')->find($entity->getIssue()->getId());
        $this->throw404IfNotFound($issue);
        $this->throw404IfNotFound($entity);
        $csrf = $this->get('security.csrf.token_manager');
        $token = $csrf->getToken('ojs_journal_issue_file' . $id);
        if ($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_issue_file_index', ['journalId' => $journal->getId(), 'issueId' => $entity->getIssue()->getId()]));
    }