<?php 
class CAutomatization extends CComponent{
  public static function fireEvent($eventName, $params){
    $ev = Automatization::model()->findByPk($eventName);
    Yii::import("{$ev->alias}.{$ev->controller}", true);
    $controller= new $ev->controller("automatization_{$ev->controller}");
    $controller->init();
    $action=$ev->action;
    $controller->beforeAction($action);
    $post = $_POST;
    $prePost = $ev->post!='' ? CJSON::decode($ev->post) : array();
    $_POST = array_merge($prePost, $params);
    $user = Yii::app()->user;
    switch($ev->user){
      case 'current': 
        Yii::app()->user=Yii::app()->user; 
        break;
      case 'system':
        $u = new User();
        $u->setAttributes(
            array(
                'name'  => 'name',
                'email' => 'mail@email.ru',
                'phone' => '8 (800) xxx-xx-xx' 
            ), 
            true
        );
        Yii::app()->user=$u; //тут ошибка
        break;
    }
    ob_start();
    $controller->$action();
    $res = ob_end_clean();
    Yii::app()->user = $user; //тут тоже ошибка по идее
    $_POST = $post;
  }
}
?>