/**
  * updated a recur series
  *
  * @param  array $recordData
  * @param  bool  $checkBusyConflicts
  * @noparamyet  JSONstring $returnPeriod NOT IMPLEMENTED YET
  * @return array 
  */
 public function updateRecurSeries($recordData, $checkBusyConflicts = FALSE)
 {
     $recurInstance = new Calendar_Model_Event(array(), TRUE);
     $recurInstance->setFromJsonInUsersTimezone($recordData);
     //if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) Tinebase_Core::getLogger()->debug(print_r($recurInstance->toArray(), true));
     $baseEvent = Calendar_Controller_Event::getInstance()->updateRecurSeries($recurInstance, $checkBusyConflicts);
     return $this->getEvent($baseEvent->getId());
 }