private void ApplyDiscount(IEnumerable <CartLineComponent> cartLines, Func <CartLineComponent, Money> calculateDiscount,
DiscountOptions options)
{
IEnumerable <CartLineComponent> cartLinesToApply = options.ApplicationOrder.Order(cartLines);
var counter = 0;
foreach (CartLineComponent line in cartLinesToApply)
{
Money discount = calculateDiscount(line);
for (var i = 0; i < line.Quantity; i++)
{
// Stop applying the discount when the number of items has exceeded the limit.
if (counter == options.ActionLimit)
{
return;
}
line.Adjustments.Add(AwardedAdjustmentFactory.CreateLineLevelAwardedAdjustment(discount.Amount * -1,
options.AwardingBlock, line.ItemId, commerceContext));
line.GetComponent <MessagesComponent>().AddPromotionApplied(commerceContext, options.AwardingBlock);
counter++;
}
}
}
public void ApplyPriceDiscount(IEnumerable <CartLineComponent> cartLines, decimal price, DiscountOptions options)
{
ApplyDiscount(cartLines, line => new MoneyEx(commerceContext, line.UnitListPrice)
.CalculatePriceDiscount(price).Round().Value, options);
}