private void CalculateSharedDiscount()
{
if (!Summary.DiscountTotalAmount.IsZero())
{
var discountTotalRate = new DiscountRate(DiscountType.Percent, Summary.DiscountTotalAmount.Percent);
var discountTotalAmount = discountTotalRate.Apply(Summary.SubTotal, 1);
this.Summary = new Summary(Summary.TaxAmount, discountTotalAmount, Summary.ChargeAmount, Summary.SubTotal);
foreach (Item item in Items)
{
item.ChangeDiscountTotal(Summary.SubTotal, discountTotalAmount);
}
}
}
public void ChangeDiscountTotal(DiscountRate discountTotalRate)
{
var discountTotalAmount = discountTotalRate.Apply(Summary.SubTotal, 1);
foreach (Item item in Items)
{
item.ChangeDiscountTotal(Summary.SubTotal, discountTotalAmount);
}
this.Summary = new Summary(Summary.TaxAmount, discountTotalAmount, Summary.ChargeAmount, Summary.SubTotal);
CalculateCharge();
CalculateTax();
}
