void ConfigureEvents(CourierServiceSettings settings)
{
Event(() => RequestCourierDispatchEvent, e => e.CorrelateById(context => context.Message.OrderId));
Event(() => IdentifyCourierForDispatchEvent, e => e.CorrelateById(context => context.Message.OrderId));
Event(() => CourierIdentifiedForDispatchEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierNotIdentifiedForDispatchEvent, e => e.CorrelateById(context => context.Message.OrderId));
Event(() => CourierDispatchedEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierDispatchConfirmedEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierDispatchDeclinedEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierEnRouteRestaurantEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierArrivedAtRestaurantEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => OrderPickedUpEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierEnRouteToCustomerEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierArrivedAtCustomerEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => DeliveringOrderEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => OrderDeliveredEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => CourierDispatchCanceledEvent, e => e.CorrelateById(context => context.Message.CourierId));
Event(() => OrderReadyForDeliveryEvent, e => e.CorrelateById(context => context.Message.OrderId));
Event(() => OrderExpiredEvent, e => e.CorrelateById(context => context.Message.OrderId));
Event(() => OrderCanceledEvent, e => e.CorrelateById(context => context.Message.OrderId));
Schedule(() => OrderCompletionTimeout, instance => instance.OrderCompletionTimeoutTokenId, s =>
{
int timeInSeconds = settings.CourierWaitUponArrivalTimeInSeconds;
s.Delay = TimeSpan.FromSeconds(timeInSeconds > 0 ? timeInSeconds : 15);
s.Received = r => r.CorrelateById(context => context.Message.OrderId);
});
}
static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder()
.UseSerilog((host, log) =>
{
string appBin = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
log.MinimumLevel.Information();
log.MinimumLevel.Override("Microsoft", LogEventLevel.Warning);
log.WriteTo.File($"{appBin}/log/log-{DateTime.Now:yyMMdd_HHmmss}.txt");
log.WriteTo.Console(LogEventLevel.Debug);
})
.ConfigureAppConfiguration((host, config) =>
{
config.Sources.Clear();
config.AddJsonFile("appsettings.json", false);
})
.ConfigureServices((host, services) =>
{
services.AddSingleton <IGrpcClient <ICourierDispatcher>, CourierDispatcherClient>();
services.AddSingleton(x =>
{
var config = new GrpcClientSettings();
host.Configuration.Bind("Grpc", config);
return(config);
});
services.AddSingleton(x =>
{
var config = new RabbitMqTransportSettings();
host.Configuration.Bind("RabbitMqTransport", config);
return(config);
});
services.AddSingleton(x =>
{
var config = new CourierServiceSettings();
host.Configuration.Bind("Application", config);
return(config);
});
services.AddMassTransit(x =>
{
x.SetKebabCaseEndpointNameFormatter();
x.AddConsumer(typeof(DispatchConsumer), typeof(DispatchConsumerDefinition));
x.AddConsumer(typeof(DispatchConfirmationConsumer), typeof(DispatchConfirmationConsumerDefinition));
x.AddConsumer(typeof(OrderDeliveryConsumer), typeof(OrderDeliveryConsumerDefinition));
x.AddConsumer(typeof(PickUpOrderConsumer), typeof(PickUpOrderConsumerDefinition));
x.AddConsumer(typeof(EnRouteToRestaurantConsumer), typeof(EnRouteToRestaurantConsumerDefinition));
x.AddConsumer(typeof(DispatchDeclinedConsumer), typeof(DispatchDeclinedConsumerDefinition));
x.AddConsumer(typeof(EnRouteToCustomerConsumer), typeof(EnRouteToCustomerConsumerDefinition));
x.AddConsumer(typeof(DispatchIdentificationConsumer), typeof(DispatchIdentificationConsumerDefinition));
x.AddConsumer(typeof(DispatchCancellationConsumer), typeof(DispatchCancellationConsumerDefinition));
x.AddSagaStateMachine(typeof(CourierStateMachine), typeof(CourierStateDefinition));
Uri schedulerEndpoint = new Uri("queue:quartz");
x.AddMessageScheduler(schedulerEndpoint);
x.UsingRabbitMq((context, cfg) =>
{
var settings = context.GetService <RabbitMqTransportSettings>();
cfg.Host(settings.Host, settings.VirtualHost, h =>
{
h.Username(settings.Username);
h.Password(settings.Password);
});
cfg.UseMessageScheduler(schedulerEndpoint);
cfg.ConfigureEndpoints(context);
// cfg.UseMessageRetry(x => x.SetRetryPolicy(new RetryPolicyFactory()));
});
x.AddSagaStateMachine <CourierStateMachine, CourierState>()
.EntityFrameworkRepository(r =>
{
r.ConcurrencyMode = ConcurrencyMode.Optimistic;
r.AddDbContext <DbContext, CourierServiceDbContext>((provider, builder) =>
{
builder.UseNpgsql(host.Configuration.GetConnectionString("OrdersConnection"), m =>
{
m.MigrationsAssembly(Assembly.GetExecutingAssembly().GetName().Name);
m.MigrationsHistoryTable($"__{nameof(CourierServiceDbContext)}");
});
});
});
});
services.AddMassTransitHostedService();
});
public RequestDispatchActivity(ConsumeContext context, IOptions <CourierServiceSettings> options, ILogger <RequestDispatchActivity> logger)
{
_context = context;
_logger = logger;
_settings = options.Value;
}
