public void ApplyVoucher(IVoucher voucher)
{
try
{
if (!voucher.CanBeAppliedToCart(Cart))
{
return;
}
var appliedVoucher = new VoucherAppliedDecorator(voucher);
appliedVoucher.Apply(Cart);
Cart.Vouchers.Add(appliedVoucher);
}
catch (OfferVoucherBasketTotalTooLowException exception)
{
Cart.Message =
$"You have not reached the spend threshold for voucher {voucher.Code}. Spend another £{exception.AmountToSpendStill} to receive £{voucher.Value} discount from your basket total.";
}
catch (VoucherDoesNotContainProductCategoryException exception)
{
Cart.Message = $"There are no products in your basket applicable to Voucher {voucher.Code} .";
}
catch (GiftVoucherBasketTotalTooLowException exception)
{
Cart.Message = $"There are no items in your basket applicable to Voucher {voucher.Code} .";
}
catch (Exception exception)
{
}
}
public abstract void Apply(ShoppingCart cart, VoucherAppliedDecorator voucher);
public override void Apply(ShoppingCart cart, VoucherAppliedDecorator voucher)
{
voucher.AppliedValue = (cart.CartNonDiscountedPriceExcludingGiftVouchers() > voucher.Value)
? voucher.Value
: cart.CartNonDiscountedPriceExcludingGiftVouchers();
}
