public void ApplyDiscount(DatedDiscount datedDiscount)
{
if (datedDiscount.IsValidOn(OrderDate))
foreach (OrderedProduct orderedProduct in Products)
{
orderedProduct.ApplyDiscount(datedDiscount);
}
}
internal void ApplyDiscount(DatedDiscount datedDiscount)
{
if (datedDiscount.DoesApplyTo(_product))
_appliedDiscount = new AppliedDiscount(datedDiscount.DiscountPercent, _appliedDiscount);
}