Ojs\JournalBundle\Controller\ArticleFileController::indexAction PHP Метод

    public function indexAction($articleId)
    {
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $article = $this->getDoctrine()->getRepository('OjsJournalBundle:Article')->find($articleId);
        $this->throw404IfNotFound($article);
        if (!$this->isGranted('VIEW', $journal, 'articles')) {
            throw new AccessDeniedException("You not authorized for this page!");
        }
        $source = new Entity('OjsJournalBundle:ArticleFile');
        $tableAlias = $source->getTableAlias();
        $source->manipulateQuery(function (QueryBuilder $qb) use($article, $tableAlias) {
            return $qb->where($tableAlias . '.article = :article')->setParameter('article', $article);
        });
        $grid = $this->get('grid')->setSource($source);
        $gridAction = $this->get('grid_action');
        $actionColumn = new ActionsColumn("actions", 'actions');
        $rowAction[] = $gridAction->showAction('ojs_journal_article_file_show', ['id', 'journalId' => $journal->getId(), 'articleId' => $articleId]);
        $rowAction[] = $gridAction->editAction('ojs_journal_article_file_edit', ['id', 'journalId' => $journal->getId(), 'articleId' => $articleId]);
        $rowAction[] = $gridAction->deleteAction('ojs_journal_article_file_delete', ['id', 'journalId' => $journal->getId(), 'articleId' => $articleId]);
        $actionColumn->setRowActions($rowAction);
        $grid->addColumn($actionColumn);
        $data = [];
        $data['grid'] = $grid;
        $data['article'] = $article;
        return $grid->getGridResponse('OjsJournalBundle:ArticleFile:index.html.twig', $data);
    }