public static Money CalculateDefaultPriceReduction(Money originalPrice, int itemQuantity, IPromotionData data) {
Money priceReduction = null;
Money promotionPrice = new Money(originalPrice, 0);
promotionPrice.Amount = data.PromotionAmount;
promotionPrice.Multiply(itemQuantity);
switch (data.PromotionAmountType) {
case PromotionAmountType.PercentReduction:
if (data.PromotionAmount <= 100 && data.PromotionAmount > 0) {
priceReduction = new Money(originalPrice);
priceReduction.RoundingMode = RoundingMode.AlwaysRoundUp;
priceReduction.Multiply(data.PromotionAmount / 100);
} else {
priceReduction = originalPrice;
}
break;
case PromotionAmountType.AbsolutePrice:
priceReduction = new Money(originalPrice);
priceReduction.Subtract(promotionPrice);
break;
case PromotionAmountType.AbsoluteReduction:
priceReduction = promotionPrice;
break;
default:
LogManager.GetLogger(typeof(GenericPromotion)).Error("Unknown PromotionAmountType");
break;
}
return priceReduction;
}
protected string RenderSubTotal() {
Money SubTotal = new Money();
SubTotal.Add(CurrentBasket.SubTotal);
SubTotal.Subtract(CurrentBasket.DeliveryPrice);
return HtmlFormatUtils.FormatMoney(SubTotal);
}
public void TestSubtract() {
Money money1 = new Money(2.23M);
Money money2 = new Money(1.11M);
money1.Subtract(money2);
Assert.IsTrue(money1.Amount == 1.12M, "Subtraction failed (" + money2.ToString() + " != 1.12");
}