protected void applyCoupon_Click(object sender, EventArgs e)
{
//Get the coupon.
try {
Commerce.Promotions.Coupon selectedCoupon = Commerce.Promotions.Coupon.GetCoupon(couponCode.Text);
//we have the coupon .. validate the order.
Commerce.Promotions.CouponValidationResponse valid =
selectedCoupon.ValidateCouponForOrder(currentOrder);
if (valid.IsValid)
{
//apply the coupon to the order
selectedCoupon.ApplyCouponToOrder(currentOrder);
couponMessage.Text = "Coupon code " + selectedCoupon.CouponCode + " was applied to your order!";
currentOrder.CouponCodes = selectedCoupon.CouponCode;
//add a note to the order that the coupon was applied
OrderController.AddNote("Applied coupon " + selectedCoupon.CouponCode + " to order during checkout", currentOrder);
//re-display the order
lblOrderItems.Text = currentOrder.ItemsToString(true);
}
else
{
couponMessage.Text = "The selected coupon could not be applied to your order. " + valid.ValidationMessage;
}
}
catch (ArgumentException ex) {
couponMessage.Text = "The code you entered could not be found or verified.";
}
couponMessage.Visible = true;
EnsurePanelsHidden();
}
public override void ApplyCouponToOrder(Commerce.Common.Order order)
{
//Validate the order to make sure it's good.
CouponValidationResponse validationResponse =
ValidateCouponForOrder(order);
if (!validationResponse.IsValid)
{
throw new ArgumentException("Coupon is not valid for order: " + validationResponse, "order");
}
//updated by Spook, 11-5-2006
//The logic for this coupon is to apply a Percent off to the order items
//this does not include shipping/tax since those items are not
//first, make sure this coupon hasn't been used
if (!order.CouponCodes.Contains(CouponCode))
{
//calculate the discount
order.DiscountAmount = CalculateDiscountAmount(order.CalculateSubTotal());
//add a comment to the order
order.CouponCodes += CouponCode;
//save the order
order.Save("Coupon System");
}
}