public void determine_why_not_applicable_for(Basket basket)
{
if (basket.items_total.is_less_than(_threshold) || basket.items_total.Equals(_threshold))
{
DomainEvents.raise(
new VoucherNotApplicableForBasket(basket.id,
"Your basket is below the threshold in order to apply the voucher XXX-XXX."));
}
}
public Money calculate_discount_for(Basket basket)
{
var discount = new Money();
if (this.meets_criteria_for_discount(basket))
{
discount = discount.add(_discount);
}
else
{
determine_why_not_applicable_for(basket); // This sets why the voucher is not applicable
}
return discount;
}
public bool meets_criteria_for_discount(Basket basket)
{
return basket.items_total.is_greater_than(_threshold);
}
public bool can_be_applied_to(Basket basket)
{
return !basket.has_had_vouchers_applied(); // && not_out_of_date
}
public CouponIssues reason_why_cannot_be_applied_to(Basket basket)
{
throw new NotImplementedException();
}
public bool can_be_applied_to(Basket basket)
{
throw new NotImplementedException();
}
public Money calculate_discount_for(Basket basket)
{
throw new NotImplementedException();
}