public void WhenIScheduleAMeeting()
{
var scheduleMeetingCommand = new ScheduleMeetingCommand(MEETING_ID, meetingDate, locationId, speakerId, capacity);
new DomainDatabaseBootStrapper().ReCreateDatabaseSchema();
var sqliteConnectionString = string.Format("Data Source={0}", DATA_BASE_FILE);
var domainEventStorage = new DomainEventStorage <IDomainEvent>(sqliteConnectionString, new BinaryFormatter());
var eventStoreIdentityMap = new EventStoreIdentityMap <IDomainEvent>();
var bus = new DirectBus(new MessageRouter());
var eventStoreUnitOfWork = new EventStoreUnitOfWork <IDomainEvent>(domainEventStorage, eventStoreIdentityMap, bus);
var repository = new DomainRepository <IDomainEvent>(eventStoreUnitOfWork, eventStoreIdentityMap);
new ReportingDatabaseBootStrapper().ReCreateDatabaseSchema();
reportingRepository = new SQLiteReportingRepository(sqliteConnectionString, new SqlSelectBuilder(), new SqlInsertBuilder(), new SqlUpdateBuilder(), new SqlDeleteBuilder());
handler = new ScheduleMeetingCommandHandler(repository);
var messageRouter = new MessageRouter();
messageRouter.Register <ScheduleMeetingCommand>(command => handler.Handle(command));
bus.Publish(scheduleMeetingCommand);
//how do we publish to report, directly or via command handler. Looks like by using transaction handler we go through unit of work whose commit method fires events to BUS
//so if we have event and then save they get re-ublished and report canpick up
}
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); });
}