protected override void GenerateAggregateClient()
{
if (DomainId != null)
{
AggregateClient = Clients.CreateEventActor(ContainerName, DomainName, null);
}
}
public async Task <IHttpActionResult> ReloadEvent(string eventid)
{
var error = "";
var handler = HandlersFactory.GetProfilerHandler(TheSettingService, TheLoggerService);
handler.Start(LOG_TAG, "ReloadEvent", GetServiceProperties());
try
{
IActorLocationService locator = ServiceFactory.GetInstance().GetActorLocationService();
IEventActor eventActor = locator.Create <IEventActor>(new ActorId(eventid), Constants.ContosoEventsApplicationName);
await eventActor.Reload();
return(Ok("Done"));
}
catch (Exception ex)
{
error = ex.Message;
return(BadRequest(ex.Message));
}
finally
{
handler.Stop(error);
}
}
public async Task CancelOrder()
{
var error = "";
var handler = HandlersFactory.GetProfilerHandler(SettingService, LoggerService);
handler.Start(LOG_TAG, "CancelOrder", GetActorProperties());
try
{
var state = await this.StateManager.GetStateAsync <TicketOrder>(ActorStatePropertyName);
if (state == null)
{
handler.Info("Cancel order is null");
return;
}
//TODO: Task 1.1 - Acquire an instance of the Actor
IEventActor eventActor = this.ActorLocationService
.Create <IEventActor>(new ActorId(state.EventId),
Constants.ContosoEventsApplicationName);
//TODO: Task 1.2 - Invoke the CancelTicket operation with the supplied state
await eventActor.CancelTickets(state);
// Refund credit card
await this.PaymentProcessorService.Refund(state);
//TODO: Task 1.3 - Update the state object to reflect that the order is cancelled
state.CancellationDate = DateTime.Now;
state.IsFulfilled = false;
state.IsCancelled = true;
//TODO: Exercise 6 - Task 1
//state.Status = OrderStatuses.Cancelled;
//TODO: Task 1.4 - Save the updated state
//await SetEntityStateAsync(/* complete this */);
await SetEntityStateAsync(state);
// Notify the user
await this.NotificationService.Notify(state);
}
catch (Exception ex)
{
error = ex.Message;
}
finally
{
handler.Stop(error);
if (!string.IsNullOrEmpty(error))
{
this.HealthReporterService.SendReportForService(HealthState.Error, GetHealthErrorMessage("CancelOrder", error));
}
}
}
public async Task ProcessOrder(TicketOrder order)
{
var error = "";
var handler = HandlersFactory.GetProfilerHandler(SettingService, LoggerService);
handler.Start(LOG_TAG, "ProcessOrder", GetActorProperties());
try
{
if (order == null)
{
handler.Info("Process order is null");
return;
}
var state = await this.StateManager.GetStateAsync <TicketOrder>(ActorStatePropertyName);
state = order;
// Validate the order
bool isValid = true;
try
{
TicketOrder.Validate(state);
}
catch (Exception e)
{
state.Note = e.Message;
isValid = false;
}
if (isValid)
{
// Validate the event
TicketEvent tEvent = await this.DataStoreService.GetEventById(order.EventId);
if (tEvent == null)
{
state.FulfillDate = null;
state.IsFulfilled = false;
state.Note = "The Event ID is not valid!";
//TODO: Exercise 6 - Task 1
//state.Status = OrderStatuses.Invalid;
}
else
{
state.PricePerTicket = tEvent.PricePerTicket;
state.Currency = tEvent.Currency;
state.Price = state.Tickets * state.PricePerTicket;
// Locate the event actor
IEventActor eventActor = this.ActorLocationService.Create <IEventActor>(new ActorId(order.EventId), Constants.ContosoEventsApplicationName);
bool isAvailable = await eventActor.ReserveTickets(order);
if (isAvailable || !SettingService.IsTicketAvailabilityCheck())
{
// Charge credit card
string confirmationNumber = await this.PaymentProcessorService.Authorize(order);
if (!string.IsNullOrEmpty(confirmationNumber))
{
state.PaymentProcessorConfirmation = confirmationNumber;
state.FulfillDate = DateTime.Now;
state.IsFulfilled = true;
//TODO: Exercise 6 - Task 1
//state.Status = OrderStatuses.Fufilled;
}
else
{
state.FulfillDate = null;
state.IsFulfilled = false;
state.Note = "Credit card failed to authorize!";
await eventActor.FailTickets(order);
//TODO: Exercise 6 - Task 1
//state.Status = OrderStatuses.CreditCardDenied;
}
}
else
{
state.FulfillDate = null;
state.IsFulfilled = false;
state.Note = "Event Tickets are exhausted!";
//TODO: Exercise 6 - Task 1
//state.Status = OrderStatuses.TicketsExhausted;
}
}
}
else
{
state.FulfillDate = null;
state.IsFulfilled = false;
//TODO: Exercise 6 - Task 1
//state.Status = OrderStatuses.Invalid;
}
// Make sure the state is saved
await SetEntityStateAsync(state);
// Externalize the state
await this.ExternalizationService.Externalize(state);
// Notify the user
await this.NotificationService.Notify(state);
}
catch (Exception ex)
{
error = ex.Message;
}
finally
{
handler.Stop(error);
if (!string.IsNullOrEmpty(error))
{
this.HealthReporterService.SendReportForService(HealthState.Error, GetHealthErrorMessage("ProcessOrder", error));
}
}
}
public async Task <IHttpActionResult> UpdateServiceHealthState(UpdateHealthRequest request)
{
var error = "";
var handler = HandlersFactory.GetProfilerHandler(TheSettingService, TheLoggerService);
handler.Start(LOG_TAG, "UpdateServiceHealthState", GetServiceProperties());
try
{
UpdateHealthRequest.Validate(request);
int ticketOrderServices = 0;
int ticketOrderActors = 0;
int eventActors = 0;
ServiceLocationService locator = new ServiceLocationService();
UriBuilderService builder = new UriBuilderService(Constants.ContosoEventsApplicationInstance, Constants.ContosoEventsTicketOrderServiceName);
ServicePartitionList partitions = await _fabricClient.QueryManager.GetPartitionListAsync(builder.ToUri());
foreach (Partition p in partitions)
{
long minKey = (p.PartitionInformation as Int64RangePartitionInformation).LowKey;
ITicketOrderService dispenderService = locator.Create <ITicketOrderService>(builder.ToUri());
await dispenderService.UpdateHealthState(GetHealthStateFromString(request.State), request.Message);
ticketOrderServices++;
}
ActorLocationService actorLocator = new ActorLocationService();
UriBuilderService orderActorBuilder = new UriBuilderService(Constants.ContosoEventsApplicationInstance, Constants.ContosoEventsTicketOrderActorName);
ServicePartitionList orderActorPartitions = await _fabricClient.QueryManager.GetPartitionListAsync(orderActorBuilder.ToUri());
foreach (Partition p in orderActorPartitions)
{
string minKey = (p.PartitionInformation as Int64RangePartitionInformation).Id.ToString();
ITicketOrderActor actor = actorLocator.Create <ITicketOrderActor>(new ActorId(minKey), Constants.ContosoEventsApplicationName);
await actor.UpdateHealthState(GetHealthStateFromString(request.State), request.Message);
ticketOrderActors++;
// May require contiunuation
}
IDataStoreService dataService = ServiceFactory.GetInstance().GetDataStoreService(TheSettingService, TheLoggerService);
List <TicketEvent> events = await dataService.GetEvents();
UriBuilderService eventActorBuilder = new UriBuilderService(Constants.ContosoEventsApplicationInstance, Constants.ContosoEventsEventActorName);
foreach (var tEvent in events)
{
IEventActor actor = actorLocator.Create <IEventActor>(new ActorId(tEvent.Id), Constants.ContosoEventsApplicationName);
await actor.UpdateHealthState(GetHealthStateFromString(request.State), request.Message);
eventActors++;
// May require contiunuation
}
return(Ok("Done: " + ticketOrderServices + "|" + ticketOrderActors + "|" + eventActors));
}
catch (Exception ex)
{
error = ex.Message;
return(BadRequest(ex.Message));
}
finally
{
handler.Stop(error);
}
}
// ITicketDispenserService Interface Implementation
public async Task <string> EnqueueOrder(TicketOrder order)
{
var error = "";
var handler = HandlersFactory.GetProfilerHandler(SettingService, LoggerService);
handler.Start(LOG_TAG, "EnqueueOrder", GetServiceProperties());
string orderId = Guid.NewGuid().ToString();
bool blProceed = true;
try
{
// Do some sanity checking
TicketOrder.Validate(order);
// Quick check to see if tickets are available
if (SettingService.IsTicketAvailabilityCheck())
{
IEventActor eventActor = this.ActorLocationService.Create <IEventActor>(new ActorId(order.EventId), Constants.ContosoEventsApplicationName);
if (!await eventActor.CheckTickets(order))
{
handler.Info("Processing order - Event Id: " + order.EventId + " - Order Id: " + orderId + " - tickets: " + order.Tickets + " - Tickets are exhausted!");
// Do not throw an exception because we will get a health issue
// throw new Exception("Tickets are exhausted!");
// Need to alert the admin only as tickets are exhausted
// Prevent proceeding with the order
blProceed = false;
// Reset the order id to indicate to the Web API client that the order did not go through
orderId = "";
}
}
if (blProceed)
{
order.Id = orderId;
handler.Info("Processing order - Event Id: " + order.EventId + " - Order Id: " + orderId + " - tickets: " + order.Tickets);
//TODO: Task 2.1 - Get (or create) a reliable queue called "OrderQueue" in this partition.
//var requests = await this.StateManager./*...complete this...*/<IReliableQueue<TicketOrder>>(OrderQueueName);
var requests = await this.StateManager.GetOrAddAsync <IReliableQueue <TicketOrder> >(OrderQueueName);
//TODO: Task 2.2 - Create a new transaction scope
//using (var tx = this.StateManager./*...complete this...*/)
//{
// TODO: Task 2.3 - Enqueue the order to the reliable queue within the transaction
//await requests.EnqueueAsync(/*...complete this...*/, /*...complete this...*/);
// TODO: Task 2.4 - Commit the transaction if enqueue was successful
//await tx./*...complete this...*/();
//}
using (var tx = this.StateManager.CreateTransaction())
{
await requests.EnqueueAsync(tx, order);
await tx.CommitAsync();
}
}
}
catch (Exception ex)
{
error = ex.Message;
throw ex;
}
finally
{
handler.Stop(error);
if (!string.IsNullOrEmpty(error))
{
this.HealthReporterService.SendReportForService(HealthState.Error, GetHealthErrorMessage("EnqueueOrder", error));
}
}
return(orderId);
}
