function execute()
 {
     $user = (int) Request::post('user');
     $status = Request::post('status');
     $model = new connectionUserModel();
     $userInfo = $model->getInfo($user);
     $statusList = $model->getStatuses();
     if (!$userInfo) {
         return array('status' => 'error', 'message' => '[`Title error invalid user`]');
     }
     if (!isset($statusList[$status])) {
         return array('status' => 'error', 'message' => '[`Title error invalid status`]');
     }
     if ($status != $userInfo['status']) {
         $model->changeStatus($user, $status);
     }
     return array('status' => 'success', 'title' => $statusList[$status]['title'], 'color' => $statusList[$status]['color']);
 }