public void apply(BasketVoucher voucher) { if (voucher.can_be_applied_to(this)) { this._basket_voucher = voucher; DomainEvents.raise(new BasketPriceChanged(this._id, amount_to_pay())); } }
public void remove_offer_voucher() { this._basket_voucher = null; DomainEvents.raise(new BasketPriceChanged(this._id, amount_to_pay())); }