/**
  * Creates a new group
  */
 public function createAction()
 {
     try {
         if (!$this->request->isPost()) {
             throw new Exception('Acesso não permitido a essa action.');
         }
         $group = new Groups();
         $group->setId($group->autoincrement());
         $group->setName($this->request->getPost('name'));
         $group->setStatus($this->request->getPost('status'));
         $group->setIsPublic($this->request->getPost('isPublic'));
         if (!$group->create()) {
             $msg = '';
             foreach ($group->getMessages() as $message) {
                 $msg .= $message . '<br />';
             }
             throw new Exception($msg);
         }
         $this->flash->success('Grupo gravado com sucesso!!!');
     } catch (Exception $exc) {
         $this->flash->error($exc->getMessage());
     }
     return $this->response->redirect('nucleo/groups');
 }