public async Task <ActionResult <PurchaseOrderResponse> > PlaceOrder(List <OrderDto> orders, CancellationToken cancellationToken)
{
var orderId = Guid.NewGuid();
var builder = new SharedUriBuilder(OrderActorServiceKey);
// Calls Actor creation using unique order Id identifier
var orderProxy = ActorProxy.Create <IOrderActor>(new ActorId(orderId), builder.ToUri());
try
{
await orderProxy.SubmitOrderAsync(orders, cancellationToken);
ServiceEventSource.Current.Message("Order has been submitted successfully. Actor with OrderId: {0} has been created", orderId);
}
catch (InvalidOperationException ex)
{
ServiceEventSource.Current.Message("Actor service: Actor rejected {0}: {1}", orders, ex);
throw;
}
catch (Exception ex)
{
ServiceEventSource.Current.Message("Actor service: Exception {0}: {1}", orders, ex);
throw;
}
return(new PurchaseOrderResponse
{
OrderId = orderId
});
}
public async Task <ActionResult <AddInventoryResponse> > AddNew(
AddInventoryRequest request,
CancellationToken cancellationToken)
{
if (null == request?.Inventory)
{
throw new ArgumentNullException(nameof(request.Inventory));
}
AddInventoryResponse response;
var builder = new SharedUriBuilder(InventoryServiceNameKey);
var inventoryServiceClient = ServiceProxy.Create <IInventoryService>(builder.ToUri());
try
{
var status = await inventoryServiceClient.CreateInventoryItemAsync(request.Inventory);
response = new AddInventoryResponse {
Status = status
};
}
catch (Exception ex)
{
ServiceEventSource.Current.Message("There are one or more errors while creating inventory {0}: {1}",
request.Inventory.Id, ex);
throw;
}
return(response);
}
private async Task ExecuteOrderAsync()
{
await SetOrderStatusAsync(OrderStatusTypeDto.InProcess);
var orderedItems = await StateManager.GetStateAsync <List <OrderDto> >(OrdersKey);
ActorEventSource.Current.ActorMessage(this, "Executing customer order. ID: {0}. Items: {1}", Id.GetGuidId(), orderedItems.Count);
foreach (var item in orderedItems)
{
ActorEventSource.Current.Message("Order contains:{0}", item);
}
// Throught all ordered items
foreach (var item in orderedItems.Where(x => x.Remaining > 0))
{
var inventoryService = _serviceProxyFactory.CreateServiceProxy <IInventoryService>(_builder.ToUri());
// Check the item is listed in inventory
if (await inventoryService.IsItemInInventoryAsync(item.Item.Id, _tokenSource.Token) == false)
{
await SetOrderStatusAsync(OrderStatusTypeDto.Canceled);
return;
}
var numberItemsRemoved =
await
inventoryService.RemoveStockAsync(
item.Item.Id,
item.Quantity,
new OrderActorMessageId(
new ActorId(Id.GetGuidId()),
await StateManager.GetStateAsync <long>(RequestIdPropertyKey)));
item.Remaining -= numberItemsRemoved;
}
var items = await StateManager.GetStateAsync <IList <OrderDto> >(OrdersKey);
bool backordered = false;
// Set proper status
foreach (var item in items)
{
if (item.Remaining > 0)
{
backordered = true;
break;
}
}
if (backordered)
{
await SetOrderStatusAsync(OrderStatusTypeDto.Backordered);
}
else
{
await SetOrderStatusAsync(OrderStatusTypeDto.Shipped);
}
ActorEventSource.Current.ActorMessage(
this,
"{0}; Executed: {1}. Backordered: {2}",
await GetOrderStatusAsStringAsync(),
items.Count(x => x.Remaining == 0),
items.Count(x => x.Remaining > 0));
long messageRequestId = await StateManager.GetStateAsync <long>(RequestIdPropertyKey);
await StateManager.SetStateAsync(RequestIdPropertyKey, ++messageRequestId);
}