protected function beforeSave()
 {
     if ($this->isNewRecord) {
         $this->createdDt = date("Y-m-d H:i:s");
         $this->createdBy = Yii::app()->user->getId();
         $this->statusId = 2;
         $unTitles = TransportStations::model()->findAll("title LIKE 'untitled%'");
         $unTitleCount = count($unTitles) != 0 ? count($unTitles) + 1 : 1;
         $this->title = 'untitled-' . $unTitleCount;
     }
     $this->modifiedDt = date("Y-m-d H:i:s");
     $this->modifiedBy = Yii::app()->user->getId();
     return true;
 }
 /**
  * Returns the data model based on the primary key given in the GET variable.
  * If the data model is not found, an HTTP exception will be raised.
  * @param integer the ID of the model to be loaded
  */
 public function loadModel($id)
 {
     $model = TransportStations::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }