Ojs\JournalBundle\Controller\ArticleAuthorController::authorSortAction PHP Метод

    public function authorSortAction(Request $request, $articleId)
    {
        $em = $this->getDoctrine()->getManager();
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $authors = $em->getRepository(ArticleAuthor::class)->findBy(['article' => $articleId]);
        usort($authors, function ($a, $b) {
            return $a->getAuthorOrder() > $b->getAuthorOrder();
        });
        $sortData = [];
        foreach ($authors as $author) {
            $sortData[$author->getId()] = $author->getAuthorOrder();
        }
        if ($request->getMethod() == 'POST' && $request->request->has('sortData')) {
            $sortData = json_decode($request->request->get('sortData'));
            foreach ($sortData as $authorId => $order) {
                foreach ($authors as $author) {
                    if ($author->getId() == $authorId) {
                        $author->setAuthorOrder($order);
                        $em->persist($author);
                    }
                }
            }
            $em->flush();
            $this->successFlashBag('successful.update');
            return $this->redirectToRoute('ojs_journal_article_author_sort', ['journalId' => $journal->getId(), 'articleId' => $articleId]);
        }
        return $this->render('OjsJournalBundle:ArticleAuthor:author_sort.html.twig', ['authors' => $authors, 'jsonSortData' => json_encode($sortData), 'articleId' => $articleId]);
    }