public function changeStatusRelation(Vtiger_Request $request)
{
$relationId = $request->get('relationId');
$status = $request->get('status');
$response = new Vtiger_Response();
try {
Vtiger_Relation_Model::updateRelationPresence($relationId, $status);
$response->setResult(array('success' => true));
} catch (Exception $e) {
$response->setError($e->getCode(), $e->getMessage());
}
$response->emit();
}
