TeachingGroupLessonMaterialEvaluationController.php

public function getEvaluationsAction(Request $request, $teachingGroupLessonMaterialId)
    {
        $em = $this->getDoctrine()->getManager();
        $user = $this->getUser();
        $studentTeachingGroupLessonMaterialRepo = $em->getRepository(StudentTeachingGroupLessonMaterial::class);
        $studentTeachingGroupLessonMaterialsOld = $studentTeachingGroupLessonMaterialRepo->getStudentsByTeachingGroupLessonMaterialIdAndTeacherId($teachingGroupLessonMaterialId, $user->getId());

        if (is_null($studentTeachingGroupLessonMaterialsOld)) {
            throw $this->createNotFoundException();
        }

        //if ($request->isXmlHttpRequest()) {
        $status = null;
        for ($i = 0; $i < 15; $i++) {
            sleep(1);
            $studentTeachingGroupLessonMaterialsNew = $studentTeachingGroupLessonMaterialRepo->getStudentsByTeachingGroupLessonMaterialIdAndTeacherId($teachingGroupLessonMaterialId, $user->getId());

            foreach ($studentTeachingGroupLessonMaterialsOld as $old) {
                dump($old->getResult());
            }
            foreach ($studentTeachingGroupLessonMaterialsNew as $new) {
                dump($new->getResult());
            }

            dump($studentTeachingGroupLessonMaterialsNew != $studentTeachingGroupLessonMaterialsOld);

            if ($studentTeachingGroupLessonMaterialsNew != $studentTeachingGroupLessonMaterialsOld) {
                $studentTeachingGroupLessonMaterialsOld = $studentTeachingGroupLessonMaterialsNew;
                $status = 'update';
                break;
            }
        }
        die();
        if (!is_null($status)) {
            $template = $this->renderView(':logged_in/teacher/teachingGroup/evaluation:evaluationTable.html.twig', [
                'studentTeachingGroupLessonMaterials' => $studentTeachingGroupLessonMaterialsOld,
                'teachingGroupLessonMaterialId' => $teachingGroupLessonMaterialId,
            ]);
            return new JsonResponse([
                'status' => $status,
                'template' => $template,
            ]);
        }
        return new JsonResponse([
            'status' => 'ok',
        ]);
        //}

        return $this->render(':logged_in/teacher/teachingGroup/evaluation:evaluationTable.html.twig', [
                    'studentTeachingGroupLessonMaterials' => $studentTeachingGroupLessonMaterialsOld,
                    'teachingGroupLessonMaterialId' => $teachingGroupLessonMaterialId,
        ]);
    }