OEModule\OphCiExamination\models\OphCiExamination_Workflow::model PHP Метод

    public static function model($className = __CLASS__)
    {
        return parent::model($className);
    }

 public function actionDeleteWorkflows()
 {
     if (!empty($_POST['workflows'])) {
         $workflow_criteria = new CDbCriteria();
         $workflow_criteria->addInCondition('workflow_id', $_POST['workflows']);
         $step_ids = array();
         foreach (models\OphCiExamination_ElementSet::model()->findAll($workflow_criteria) as $step) {
             $step_ids[] = $step->id;
         }
         if (!empty($step_ids)) {
             $setitem_criteria = new CDbCriteria();
             $setitem_criteria->addInCondition('set_id', $step_ids);
             models\OphCiExamination_ElementSetItem::model()->deleteAll($setitem_criteria);
             $event_stepitem_criteria = new CDbCriteria();
             $event_stepitem_criteria->addInCondition('step_id', $step_ids);
             models\OphCiExamination_Event_ElementSet_Assignment::model()->deleteAll($event_stepitem_criteria);
         }
         models\OphCiExamination_ElementSet::model()->deleteAll($workflow_criteria);
         models\OphCiExamination_Workflow_Rule::model()->deleteAll($workflow_criteria);
         $workflow = new CDbCriteria();
         $workflow->addInCondition('id', $_POST['workflows']);
         if (!models\OphCiExamination_Workflow::model()->deleteAll($workflow)) {
             throw new \Exception('Unable to remove Workflow : ' . print_r(models\OphCiExamination_Workflow::model()->getErrors(), true));
         }
         echo 1;
     }
 }