public async Task RunBankingScenario()
{
var accountId = Guid.NewGuid();
var repo = await ProviderFactory.Current.CreateRepositoryAsync()
.ConfigureAwait(false);
var handler = new BankAccountCommandHandlers(repo);
const string joeBloggs = "Joe Bloggs";
await handler.Handle(CreateAccountCommand.Create(Guid.NewGuid(), accountId, joeBloggs)).ConfigureAwait(false);
await handler.Handle(DepositFundsCommand.Create(Guid.NewGuid(), accountId, 10)).ConfigureAwait(false);
await handler.Handle(DepositFundsCommand.Create(Guid.NewGuid(), accountId, 35)).ConfigureAwait(false);
await handler.Handle(WithdrawFundsCommand.Create(Guid.NewGuid(), accountId, 25)).ConfigureAwait(false);
await handler.Handle(DepositFundsCommand.Create(Guid.NewGuid(), accountId, 5)).ConfigureAwait(false);
await handler.Handle(WithdrawFundsCommand.Create(Guid.NewGuid(), accountId, 10)).ConfigureAwait(false);
var actual = await repo.GetByIdAsync <BankAccount>(accountId).ConfigureAwait(false);
actual.Id.Should().Be(accountId);
actual.Name.Should().Be(joeBloggs);
actual.CurrentBalance.Should().Be(15);
actual.Transactions.Count.Should().Be(5);
}
private static void Main()
{
var log = new LoggerConfiguration()
.WriteTo.ColoredConsole(outputTemplate: "{Timestamp:HH:mm} [{Level}] ({Name:l}) {Message}{NewLine}{Exception}")
.MinimumLevel.Debug()
.CreateLogger();
Log.Logger = log;
log.Information("Event sourcing sample");
var accountId = Guid.NewGuid();
var providerFactory = ProviderFactory.Current;
var repo = providerFactory.CreateRepositoryAsync().Result;
log.Information("Initialising provider");
providerFactory.InitAsync().Wait();
log.Information("Provider initialised");
log.Information("Tearing down provider");
var cleaner = providerFactory.CreateTeardownAsync().Result;
cleaner.TearDownAsync().Wait();
log.Information("StorageProviderFactory torn down");
var handler = new BankAccountCommandHandlers(repo);
log.Information("Running set of commands");
handler.Handle(CreateAccountCommand.Create(Guid.NewGuid(), accountId, "Joe Bloggs")).Wait();
handler.Handle(DepositFundsCommand.Create(Guid.NewGuid(), accountId, 10)).Wait();
handler.Handle(DepositFundsCommand.Create(Guid.NewGuid(), accountId, 35)).Wait();
handler.Handle(WithdrawFundsCommand.Create(Guid.NewGuid(), accountId, 25)).Wait();
handler.Handle(DepositFundsCommand.Create(Guid.NewGuid(), accountId, 5)).Wait();
handler.Handle(WithdrawFundsCommand.Create(Guid.NewGuid(), accountId, 10)).Wait();
log.Information("Commands Run");
log.Information("Get aggregate from store");
var fromStore = repo.GetByIdAsync <BankAccount>(accountId).Result;
log.Information($"Bank account ID: {fromStore.Id}");
log.Information($"Balance: {fromStore.CurrentBalance}");
log.Information($"Last committed version: {fromStore.LastCommittedVersion}");
log.Information($"Transaction Count: {fromStore.Transactions.Count}");
log.Information("Event sourcing sample ran");
System.Console.ReadLine();
}
