public function uncancelWithMetaData(EventModel $event, EventEditMetaDataModel $eventEditMetaDataModel)
{
global $DB;
try {
$DB->beginTransaction();
$event->setIsCancelled(false);
$this->eventDBAccess->update($event, array('is_cancelled'), $eventEditMetaDataModel);
// TODO if in group, watch
$DB->commit();
} catch (Exception $e) {
$DB->rollBack();
}
}
