private static void CheckDiscountConditions(Line line, decimal lineSubTotal, Discount discount, ICollection <ReciptLineItem> items)
{
var qualifiesForDiscount = discount.Condition(line);
var item = new ReciptLineItem();
//There may be other discounts applied to this line. We need to ensure that we don't stack the discounts. Discounts are compounding.
var addedDiscounts = items.Sum(s => s.Total);
if (qualifiesForDiscount)
{
//We don't want to have discount that is greater than total.
if (discount.Fixed.HasValue && (discount.Fixed.Value) < lineSubTotal + addedDiscounts)
{
item.Description = discount.Message;
item.Total = discount.Fixed.Value * -1;
items.Add(item);
}
if (discount.Percentage.HasValue)
{
//Make sure that if other discounts are taken into account.
var discounted = ((lineSubTotal + addedDiscounts) * discount.Percentage.Value);
item.Description = discount.Message;
item.Total = discounted * -1;
items.Add(item);
}
}
}
private static void CheckDiscountConditions(Line line, decimal lineSubTotal, Discount discount, ICollection<ReciptLineItem> items)
{
var qualifiesForDiscount = discount.Condition(line);
var item = new ReciptLineItem();
//There may be other discounts applied to this line. We need to ensure that we don't stack the discounts. Discounts are compounding.
var addedDiscounts = items.Sum(s => s.Total);
if (qualifiesForDiscount)
{
//We don't want to have discount that is greater than total.
if (discount.Fixed.HasValue && (discount.Fixed.Value) < lineSubTotal + addedDiscounts)
{
item.Description = discount.Message;
item.Total = discount.Fixed.Value * -1;
items.Add(item);
}
if (discount.Percentage.HasValue)
{
//Make sure that if other discounts are taken into account.
var discounted = ((lineSubTotal + addedDiscounts) * discount.Percentage.Value);
item.Description = discount.Message;
item.Total = discounted * -1;
items.Add(item);
}
}
}
