public void CanGenerateInvoiceForOrder()
{
// given
InvoicingService service = AnyInvoicingService();
Order order = AnyOrder();
// when
Invoice invoice = service.CreateInvoice(order);
// then
Check.That(invoice).IsNotNull();
}
public void Handle(SubmitOrderCommand command)
{
Order order = OrderRepository.Load(command.OrderId);
ISpecification <Order> orderSpecification = GenerateSpecification(SystemUser);
if (!orderSpecification.IsSatisfiedBy(order))
{
throw new OrderOperationException("Order does not meet specification", order.Id);
}
//Domain logic
order.Submit();
//Domain service
Invoice invoice = InvoicingService.Issuance(order, GenerateTaxPolicy(SystemUser));
OrderRepository.Save(order);
InvoiceRepository.Save(invoice);
}
public OrderCreatedEventHandler(InvoicingService invoicingService, IOrdersApi ordersApi)
{
this.invoicingService = invoicingService;
this.ordersApi = ordersApi;
}