/**
  * @param $data
  * @param null $dbVersion
  * @throws \Exception
  * @return ApplyResult
  */
 public function applySnapshot($data, $dbVersion = null)
 {
     $data = $this->handleNullValues($data);
     $prop = new \CIBlockProperty();
     $res = new ApplyResult();
     $extId = $data['ID'];
     if ($dbVersion) {
         $data['IBLOCK_ID'] = $this->getReferenceController()->getCurrentIdByOtherVersion($data['IBLOCK_ID'], ReferenceController::GROUP_IBLOCK, $dbVersion);
         $id = $this->getCurrentVersionId($extId, $dbVersion);
     } else {
         $id = $extId;
     }
     if (!$dbVersion && !PropertyTable::getById($id)->fetch()) {
         unset($data['VERSION']);
         $addRes = PropertyTable::add(array('ID' => $id, 'NAME' => $data['NAME'], 'IBLOCK_ID' => $data['IBLOCK_ID']));
         if (!$addRes->isSuccess()) {
             throw new \Exception('Ќе удалось возобновить свойство текущей версии. ' . implode(', ', $addRes->getErrorMessages()) . "\n" . var_export($data, true));
         }
     }
     if ($id && PropertyTable::getById($id)->fetch()) {
         $res->setSuccess((bool) $prop->Update($id, $data));
     } else {
         $res->setSuccess((bool) ($id = $prop->Add($data)));
         $this->registerCurrentVersionId($id, $this->getReferenceValue($extId, $dbVersion));
     }
     $res->setId($id);
     if ($data['PROPERTY_TYPE'] == self::LIST_TYPE_SIGN && !empty($data['~property_list_values'])) {
         $this->_applyPropertyListTypeValues($id, $data['~property_list_values']);
     }
     return $res->setMessage($prop->LAST_ERROR);
 }