Networking\InitCmsBundle\Controller\MediaAdminController::batchActionDelete PHP Метод

    public function batchActionDelete(ProxyQueryInterface $query)
    {
        if (false === $this->admin->isGranted('DELETE')) {
            throw new AccessDeniedException();
        }
        try {
            $this->doBatchDelete($query);
            $this->addFlash('sonata_flash_success', 'flash_batch_delete_success');
        } catch (ModelManagerException $e) {
            $this->addFlash('sonata_flash_error', 'flash_batch_delete_error');
        }
        return new RedirectResponse($this->admin->generateUrl('list', array('filter' => $this->admin->getFilterParameters())));
    }