public async Task ShouldMakeCustomersPreferredStatusToGold()
{
var customerId = Guid.NewGuid();
var flightPlanWasAdded = new FlightPlanWasAdded
{
CustomerId = customerId,
MilesFlown = 25000
};
var customerWasBilled = new CustomerWasBilled
{
CustomerId = customerId,
DollarsPaid = 3000
};
await saga.Handle(flightPlanWasAdded, context);
await saga.Handle(customerWasBilled, context);
await saga.Timeout(new CalendarYearHasStarted(), context);
await Verifier.Verify(
new
{
context,
saga.Data
});
}
public async Task WaitForCalendarYearBeforeUpgradingPreferredStatusToGold()
{
var customerId = Guid.NewGuid();
var flightPlanWasAdded = new FlightPlanWasAdded
{
CustomerId = customerId,
MilesFlown = 25000
};
var customerWasBilled = new CustomerWasBilled
{
CustomerId = customerId,
DollarsPaid = 3000
};
await saga.Handle(flightPlanWasAdded, context);
await saga.Handle(customerWasBilled, context);
// also test how long the timeout was supposed to be.
await Verifier.Verify(
new
{
context,
saga.Data
});
}
public async Task Handle(CustomerWasBilled message, IMessageHandlerContext context)
{
Console.WriteLine($"New billing info was received for {message.CustomerId}, dollars = {message.DollarsPaid}");
Data.CustomerId = message.CustomerId;
Data.TotalDollarsPaid += message.DollarsPaid;
if (CanCustomerBePromotedToGold())
{
Console.WriteLine($"Customer {message.CustomerId} can be promoted in the next calendar year...Waiting...");
await RequestTimeout(context, TimeSpan.FromSeconds(15), new CalendarYearHasStarted()).ConfigureAwait(false);
}
}
public async Task Handle(CustomerWasBilled message, IMessageHandlerContext context)
{
Console.WriteLine($"New billing info was received for {message.CustomerId}, dollars = {message.DollarsPaid}");
Data.CustomerId = message.CustomerId;
Data.TotalDollarsPaid += message.DollarsPaid;
if (CanCustomerBePromotedToGold())
{
await context.Publish(
new CustomerWasPromotedToGold
{
CustomerId = message.CustomerId
})
.ConfigureAwait(false);
MarkAsComplete();
}
}
public async Task ShouldNotMakeCustomersPreferredStatusToGoldWhenNotEnoughMilesHasBeenFlown()
{
var customerId = Guid.NewGuid();
var flightPlanWasAdded = new FlightPlanWasAdded
{
CustomerId = customerId, MilesFlown = 2500
};
var customerWasBilled = new CustomerWasBilled
{
CustomerId = customerId,
DollarsPaid = 3500
};
await saga.Handle(flightPlanWasAdded, context);
await saga.Handle(customerWasBilled, context);
await Verifier.Verify(
new
{
context,
saga.Data
});
}
static async Task Main()
{
LogManager.Use <DefaultFactory>()
.Level(LogLevel.Info);
var endpointConfiguration = new EndpointConfiguration("PreferredCustomerPolicy");
endpointConfiguration.UseSerialization <NewtonsoftSerializer>();
endpointConfiguration.Recoverability().Delayed(c => c.NumberOfRetries(0));
endpointConfiguration.UseTransport <LearningTransport>();
endpointConfiguration.UsePersistence <InMemoryPersistence>();
endpointConfiguration.SendFailedMessagesTo("error");
endpointConfiguration.AuditProcessedMessagesTo("audit");
endpointConfiguration.EnableInstallers();
// Send saga state change and heartbeats to ServiceControl for visualization and monitoring.
endpointConfiguration.AuditSagaStateChanges("Particular.ServiceControl");
endpointConfiguration.SendHeartbeatTo("Particular.ServiceControl");
// start the endpoint
var endpointInstance = await Endpoint.Start(endpointConfiguration).ConfigureAwait(false);
Console.WriteLine("Press f to publish flight plan added.");
Console.WriteLine("Press b to publish customer was billed added.");
Console.WriteLine("Press ENTER to exit");
var guid = Guid.NewGuid();
while (true)
{
var key = Console.ReadKey();
Console.WriteLine();
if (key.Key == ConsoleKey.Enter)
{
break;
}
if (key.Key == ConsoleKey.F)
{
Console.WriteLine($"Publishing flight plan for CustomerId id: {guid:N}");
var message = new FlightPlanWasAdded
{
CustomerId = guid,
MilesFlown = 10000
};
await endpointInstance.Publish(message)
.ConfigureAwait(false);
}
if (key.Key == ConsoleKey.B)
{
Console.WriteLine($"Publishing CustomerWasBilled for CustomerId id: {guid:N}");
var billedEvent = new CustomerWasBilled
{
CustomerId = guid,
DollarsPaid = 2500
};
await endpointInstance.Publish(billedEvent)
.ConfigureAwait(false);
}
}
await endpointInstance.Stop()
.ConfigureAwait(false);
}