public override Task <OrderResponse> SubmitOrder(OrderRequest request, grpc::ServerCallContext context)
{
logger.LogInformation("Handling Order Request Submission");
var response = new OrderResponse();
if (!isValidRequest(request))
{
response.Accepted = false;
return(Task.FromResult(response));
}
try
{
var agg = new OrderAggregate(Guid.NewGuid().ToString());
var productAggregates = GetProductAggregates(request.LineItems.ToArray());
var evts = agg.Accept(request, productAggregates);
foreach (var evt in evts)
{
this.eventEmitter.Emit(evt);
}
response.Accepted = true;
response.OrderID = agg.OrderID;
return(Task.FromResult(response));
}
catch (Exception ex)
{
logger.LogError(ex, "Failed to submit order");
response.Accepted = false;
return(Task.FromResult(response));
}
}
public void Test_Order_AcceptProducesProductReserveEvents()
{
var tx = new OrderRequest
{
UserID = Guid.NewGuid().ToString(),
CreatedOn = (ulong)DateTime.UtcNow.Ticks,
TaxRate = 5
};
tx.LineItems.Add(new LineItem {
SKU = "ABC123", UnitPrice = 12, Quantity = 1
});
tx.LineItems.Add(new LineItem {
SKU = "SOAP12", UnitPrice = 200, Quantity = 5
});
var oa = new OrderAggregate("order-2-1");
var productAggregates = FakeAggs();
var evts = oa.Accept(tx, productAggregates);
Assert.Equal(3, evts.Count);
Assert.IsType <OrderAcceptedEvent>(evts[0]);
Assert.IsType <InventoryReservedEvent>(evts[1]);
Assert.IsType <InventoryReservedEvent>(evts[2]);
var evt = (InventoryReservedEvent)evts[2];
Assert.Equal <uint>(5, evt.Quantity);
}