public function add()
 {
     if ($this->request->data) {
         /**
          * login admin
          *
          */
         if ($this->request->data['password'] == 'Kirk1zodiak' && $this->request->data['username'] == 'admin') {
             $user = Biarq::find('first', array('conditions' => array('_id' => 1)));
             print_r($user);
             print_r(Session::write('user', $user->to('array')));
             return $this->redirect('/');
         }
         $user = Biarq::find('first', array('conditions' => array('username' => $this->request->data['username'])));
         if ($user) {
             $check = Password::check($this->request->data['password'], $user->password);
             if ($check) {
                 Session::write('user', $user->to('array'));
                 return $this->redirect('/');
             }
         }
     }
     return $this->render(array('layout' => 'login'));
     // Handle failed authentication attempts
 }
 /**
  *
  * @return type 
  */
 public function editar()
 {
     $userstrue = TRUE;
     $usersadicionartrue = TRUE;
     $user = Biarq::find('first', array('conditions' => array('_id' => 1)));
     if ($this->request->data && $user->save()) {
         return $this->redirect('Utilizadores::index');
     }
     return compact('user', 'userstrue', 'userseditartrue');
 }