public function update(RESTRequest $request)
 {
     $put = $request->getPut();
     if (empty($put)) {
         throw new RESTCommandException('HTTP PUT data is empty');
     }
     $allowed_to_update_fields = array_fill_keys(array('sub_ch', 'additional_services_on'), true);
     $data = array_intersect_key($put, $allowed_to_update_fields);
     $stb_data = array_intersect_key($put, array('additional_services_on' => true));
     if (empty($data)) {
         throw new RESTCommandException('Update data is empty');
     }
     unset($data['additional_services_on']);
     if (!empty($stb_data)) {
         //$stb = Stb::getInstance();
         //$stb->setParam('additional_services_on', intval($stb_data['additional_services_on']));
         $uids = $request->getConvertedIdentifiers();
         foreach ($uids as $uid) {
             Stb::setAdditionServicesById($uid, intval($stb_data['additional_services_on']));
         }
     }
     //var_dump($stb_data);
     if (!empty($data)) {
         $list = ItvSubscription::updateByUids($request->getConvertedIdentifiers(), $data);
         if (empty($list)) {
             return false;
         }
     }
     return $this->formatList(ItvSubscription::getByUids($request->getConvertedIdentifiers()));
 }