public void AddVoucher(Voucherbase voucher)
{
if (_vouchers == null)
{
this._vouchers = new List <Voucherbase>();
}
this._vouchers.Add(voucher);
}
public Basket(Cart cart, Voucherbase voucher)
{
this._cart = cart;
AddVoucher(voucher);
_basketTotal = _cart.Total;
}