public function downAction(Request $request)
    {
        /** @var MenuRepository $repo */
        $repo = $this->get('vince_cms.repository.menu');
        /** @var Menu $menu */
        $menu = $repo->find($request->get('id'));
        if ($menu->getParent()) {
            $repo->moveDown($menu);
        }

        return $this->redirect($this->generateUrl('admin_my_cms_menu_list'));
    }