/**
* Returns the data model based on the primary key given in the GET variable.
* If the data model is not found, an HTTP exception will be raised.
* @param integer the ID of the model to be loaded
*/
public function loadModel($id)
{
$model = CouponRedemption::model()->findByPk($id);
if ($model === null) {
throw new CHttpException(404, 'The requested page does not exist.');
}
return $model;
}
/**
* returns true if coupon was already redeemed by this customer
*/
private function userHasRedeemedCoupon($couponId)
{
$customerId = Yii::app()->user->getId();
$cr = CouponRedemption::model()->findByAttributes(array('customer_id' => $customerId, 'coupon_id' => $couponId));
return $cr != null ? true : false;
}
