public override void Configure(IFunctionsHostBuilder hostBuilder)
{
var configurationBuilder = new ConfigurationBuilder();
configurationBuilder.AddEnvironmentVariables();
var configuration = configurationBuilder.Build();
//set up event store
hostBuilder.Services.AddSingleton <IEventStoreConnection>(s => new EventStoreConnectionFactory(configuration).Create(s));
hostBuilder.Services.AddSingleton <IEventStore, Infrastructure.EventStore.EventStore>(s =>
{
var con = s.GetRequiredService <IEventStoreConnection>();
var eventstore = new Infrastructure.EventStore.EventStore(con);
return(eventstore);
});
var configRoot = new ConfigurationBuilder().AddEnvironmentVariables().Build();
hostBuilder.Services.AddSingleton(sp => configRoot);
//ensure one connection for function app
if (_databaseConnection == null)
{
var dbName = configRoot["ReservationsDatabaseName"];
_databaseConnection = new SqliteConnection("Datasource=./../../../" + dbName);
_databaseConnection.Open();
}
////repo factory set up
var repositoryFactory = new SQLRepositoryFactory(_databaseConnection);
hostBuilder.Services.AddScoped <IRepositoryFactory>(x =>
{
return(repositoryFactory);
});
//bus wiring
var bus = new DirectBus();
var builder = new Builder(repositoryFactory);
//register read model denormalizers
RegisterReadModelDenormalizers(builder);
//register builder handler with bus
bus.RegisterEventHandler(builder.Handle);
//register event store wrapper client
var serviceProvider = hostBuilder.Services.BuildServiceProvider();
var eventStore = serviceProvider.GetRequiredService <IEventStore>();
var eventStoreClient = new EventStoreClient(bus, eventStore);
hostBuilder.Services.AddSingleton <IEventStoreClient>(sp => { return(eventStoreClient); });
//set up aggregate factories di
RegisterAggregateFactories(hostBuilder);
//set up command handlers
RegisterCommandHandlers(hostBuilder, bus, eventStoreClient);
//set up query handlers
RegisterQueryHandlers(hostBuilder, bus);
//register bus
hostBuilder.Services.AddSingleton <IBus>(sp => { return(bus); });
}
public override void Configure(IFunctionsHostBuilder hostBuilder)
{
var configurationBuilder = new ConfigurationBuilder();
configurationBuilder.AddEnvironmentVariables();
var configuration = configurationBuilder.Build();
//set up event store
hostBuilder.Services.AddSingleton <IEventStoreConnection>(s => new EventStoreConnectionFactory(configuration).Create(s));
hostBuilder.Services.AddSingleton <IEventStore, Infrastructure.EventStore.EventStore>(s =>
{
var con = s.GetRequiredService <IEventStoreConnection>();
var eventstore = new Infrastructure.EventStore.EventStore(con);
return(eventstore);
});
var configRoot = new ConfigurationBuilder().AddEnvironmentVariables().Build();
hostBuilder.Services.AddSingleton(sp => configRoot);
//set up external service bus event publisher
var externalBusEventPublisher = hostBuilder.Services.BuildServiceProvider().GetService <IPublisher>();
if (externalBusEventPublisher == null)
{
string serviceBusConnectionString = configRoot["HOTEL_MANAGEMENT_SERVICEBUS"];
string topicName = configRoot["INVENTORY_EVENTS_TOPIC_NAME"];
externalBusEventPublisher = new ServiceBusPublisher(serviceBusConnectionString, topicName);
hostBuilder.Services.AddSingleton(externalBusEventPublisher);
}
//set up repositories
RegisterRepositories(hostBuilder, configRoot);
////repo factory set up
var repositoryFactory = new RepositoryFactory(new DependencyResolver(hostBuilder.Services));
hostBuilder.Services.AddScoped <IRepositoryFactory>(x =>
{
return(repositoryFactory);
});
//bus wiring
var bus = new Bus();
var builder = new Builder(repositoryFactory);
//register read model denormalizers
RegisterReadModelDenormalizers(builder);
//register builder handler with bus
bus.RegisterEventHandler(builder.Handle);
//register event store wrapper client
var serviceProvider = hostBuilder.Services.BuildServiceProvider();
var eventStore = serviceProvider.GetRequiredService <IEventStore>();
var eventStoreClient = new EventStoreClient(bus, eventStore, externalBusEventPublisher);
hostBuilder.Services.AddSingleton <IEventStoreClient>(sp => { return(eventStoreClient); });
//register bus
hostBuilder.Services.AddSingleton <IBus>(sp => { return(bus); });
}