public function saveToOrderDb()
 {
     if ($this->hotel) {
         $order = $this->hotel->saveToOrderDb();
         $order->searchParams = serialize($this->searchParams);
         return $order->update(array('searchParams'));
     } else {
         //we have only search params now
         $order = new OrderHotel();
         $order->cityId = $this->city;
         $order->checkIn = $this->checkIn;
         $order->duration = $this->getDuration();
         $order->searchParams = serialize($this->searchParams);
         if ($order->save()) {
             return $order;
         }
     }
     return false;
 }