public void RegisterProduct(ProductId Id, IEnumerable<FareZone> FareZones)
{
Guard.Against<TooManyFareZonesException>(FareZones.Count() > 3);
Guard.Against<DuplicateProductIdException>(Queries.IdExists(Id));
if (Id == ProductId.Empty) Id = ProductIdGenerator.Next();
Changes.ProductRegistered(Id);
}
public void RegisterSubscription(ProductId Id, IEnumerable<FareZone> FareZones, PaymentSchedule Schedule)
{
Guard.With<PaymentScheduleRequiredException>(Schedule != PaymentSchedule.Empty);
RegisterProduct(Id, FareZones);
}
bool IQueryACatalog.IdExists(ProductId Id)
{
return RegisteredProductIds.Contains(Id);
}
void IChangeACatalog.ProductRegistered(ProductId Id)
{
RegisteredProductIds.Add(Id);
}