public void GivenIHavePaidForTheOrder()
{
var orderId = EventSourceHelper.GetId<Order>();
var orderEvents = GivenHelper.GivenEvents(orderId).ToArray();
var orderPlacedEvent = orderEvents.OfType<OrderPlaced>().Single();
if (orderEvents.Last() != orderPlacedEvent)
throw new NotSupportedException("Sorry. This test helper isn't set up to handle updated orders.");
var e = new OrderPaid(
orderId,
orderPlacedEvent.DiningLocation,
orderPlacedEvent.OrderItems,
orderPlacedEvent.Price,
"Jason Dentler",
"5444444444444444",
Guid.NewGuid(),
Guid.NewGuid());
GivenHelper.Given(orderId, e);
}
private void Apply(OrderPaid e)
{
_state = OrderState.Paid;
}
public void Pay(string cardHolderName, string cardNumber)
{
switch (_state)
{
case OrderState.Cancelled:
throw new InvalidStateException("You can't pay for this order. It is cancelled. Place a new order.");
case OrderState.Paid:
throw new InvalidStateException("You can't pay for this order. It's already paid.");
}
var e = new OrderPaid(
Id,
_location,
_items.ToArray(),
_price,
cardHolderName,
cardNumber,
Guid.NewGuid(),
Guid.NewGuid());
ApplyChange(e);
}