public static async Task <IActionResult> RunAsync(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "order/{orderId}")]
Amount amount,
string orderId,
[DomainEventStream("Sales", "Order", "{orderId}")]
DomainEventStream eventStream,
ILogger log)
{
var events = await eventStream.Events();
var orderAccepted = events.GetFirst <OrderAccepted>().Where(order => order.OrderId == orderId);
if (orderAccepted == null)
{
return(new NotFoundResult());
}
var amountOfOrderChanged = new AmountOfOrderChanged(Guid.Empty.ToString())
{
OrderId = orderId,
PreviousAmount = orderAccepted.Amount,
NewAmount = amount.Value
};
await eventStream.Append(amountOfOrderChanged, orderId);
return(new OkObjectResult(new
{
prevoiusAmount = amountOfOrderChanged.PreviousAmount,
newAmount = amountOfOrderChanged.NewAmount,
message = "Amount changed"
}));
}
public static async Task <IActionResult> RunAsync(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "order")]
Order order,
[DomainEventStream("Sales", "Order")]
DomainEventStream eventStream,
ILogger log)
{
/// Here is the place for business validation.
/// If an Order is correct, we create the event OrderAccepted
var orderId = Guid.NewGuid().ToString();
var orderNumber = NextOrderNumber();
if (IsValid(order))
{
var orderAccepted = new OrderAccepted(Guid.Empty.ToString())
{
OrderId = orderId,
OrderNumber = orderNumber,
Paste = order.Paste,
Tomatoes = order.Tomatoes,
Cheese = order.Cheese,
Amount = order.Amount,
CustomerId = order.CustomerId
};
// Put the Event into EventStream.
// EntityId is needed because the Stream doesn't know the Id and can't read from Event
await eventStream.Append(orderAccepted, orderAccepted.OrderId);
return(new OkObjectResult(new
{
orderNumber = orderAccepted.OrderNumber,
orderId = orderAccepted.OrderId,
message = "Order accepted"
}));
}
else
{
var orderDeclined = new OrderDeclined(Guid.Empty.ToString())
{
OrderId = orderId,
OrderNumber = orderNumber,
OrderContent =
$"Paste: {order.Paste}, Tomatoes: {order.Tomatoes}, Cheese{order.Cheese}, Amount: {order.Amount}",
CustomerId = order.CustomerId,
Reason = "[put the reason in here]"
};
try
{
}
catch (Exception ex)
{
log.LogError(ex.Message, ex);
return(new BadRequestObjectResult(new
{
errorCode = "ORDER_DECLINED_BUT_SERVER_ERROR",
message = $"Order declined because of [put the reason in here]" +
$"(Internal Server Error: {ex.Message}"
}));
}
return(new BadRequestObjectResult(new
{
errorCode = "ORDER_DECLINED",
message = "Order declined because of [put the reason in here]"
}));
}
}