/**
  * @return array of available payment systems. e.g array(id=>name)
  */
 public function getPaymentSystemsArray()
 {
     // Yii::import('application.modules.shop.components.payment.PaymentSystemManager');
     $result = array();
     $systems = new PaymentSystemManager();
     foreach ($systems->getSystems() as $system) {
         $result[(string) $system->id] = $system->name;
     }
     return $result;
 }