public void Test_Order_CancelProducesProductReleaseEvents()
{
OrderAggregate oa = new OrderAggregate("order-1-1");
var productAggs = FakeAggs();
var evts = oa.Cancel("tester", productAggs);
Assert.Equal(3, evts.Count);
Assert.IsType <OrderCanceledEvent>(evts[0]);
Assert.IsType <InventoryReleasedEvent>(evts[1]);
Assert.IsType <InventoryReleasedEvent>(evts[2]);
}
public override Task <CancelOrderResponse> CancelOrder(CancelOrderRequest request, grpc::ServerCallContext context)
{
logger.LogInformation("Handling Order cancellation request");
var result = new CancelOrderResponse();
try
{
var agg = new OrderAggregate(request.OrderID);
// TODO: load aggregate with order events
var exists = orderManagementClient.OrderExists(new GetOrderRequest {
OrderID = request.OrderID
});
if (!exists.Exists)
{
result.Canceled = false;
return(Task.FromResult(result));
}
var originalOrder = orderManagementClient.GetOrder(new GetOrderRequest {
OrderID = request.OrderID
});
var productAggregates = GetProductAggregates(originalOrder.LineItems.ToArray());
IList <DomainEvent> evts = agg.Cancel(request.UserID, productAggregates);
foreach (var evt in evts)
{
this.eventEmitter.Emit(evt);
}
result.Canceled = true;
result.ConfirmationCode = Guid.NewGuid().ToString(); // unused
return(Task.FromResult(result));
}
catch (Exception ex)
{
logger.LogError(ex, "Failed to cancel order");
result.Canceled = false;
return(Task.FromResult(result));
}
}