/**
  * Remove Material from Multimedia Object
  */
 public function removeMaterialFromMultimediaObject(MultimediaObject $multimediaObject, $materialId)
 {
     $material = $multimediaObject->getMaterialById($materialId);
     $materialPath = $material->getPath();
     $multimediaObject->removeMaterialById($materialId);
     $this->dm->persist($multimediaObject);
     $this->dm->flush();
     if ($this->forceDeleteOnDisk && $materialPath) {
         $this->deleteFileOnDisk($materialPath);
     }
     return $multimediaObject;
 }
 /**
  * @ParamConverter("multimediaObject", class="PumukitSchemaBundle:MultimediaObject", options={"id" = "mmId"})
  */
 public function updateAction(MultimediaObject $multimediaObject, Request $request)
 {
     $translator = $this->get('translator');
     $locale = $request->getLocale();
     $material = $multimediaObject->getMaterialById($request->get('id'));
     $form = $this->createForm(new MaterialType($translator, $locale), $material);
     if (($request->isMethod('PUT') || $request->isMethod('POST')) && $form->bind($request)->isValid()) {
         try {
             $multimediaObject = $this->get('pumukitschema.material')->updateMaterialInMultimediaObject($multimediaObject);
         } catch (\Exception $e) {
             $this->get('session')->getFlashBag()->add('error', $e->getMessage());
         }
         return $this->redirect($this->generateUrl('pumukitnewadmin_material_list', array('id' => $multimediaObject->getId())));
     }
     return $this->render('PumukitNewAdminBundle:Material:update.html.twig', array('material' => $material, 'form' => $form->createView(), 'mmId' => $multimediaObject->getId()));
 }