/**
* @service coupon export
* @param bannerid
* @return Gpf_Rpc_Serializable
*/
public function exportCodes(Gpf_Rpc_Params $params) {
$form = new Gpf_Rpc_Form($params);
$coupon = new Pap_Features_Coupon_Coupon();
$coupon->setId($form->getFieldValue('bannerid'));
$select = $coupon->getCodes(Gpf_Session::getAuthUser()->getPapUserId());
$csvGenerator = new Gpf_Csv_GeneratorResponse('codes.csv', null, $select->getAllRows());
return $csvGenerator->generateFile();
}
