private bool Execute(OpenNewAccountCommand command)
{
//this spec is part of Akkatecture
var spec = new AggregateIsNewSpecification();
if (spec.IsSatisfiedBy(this))
{
var aggregateEvent = new AccountOpenedEvent(command.OpeningBalance);
Emit(aggregateEvent);
}
return(true);
}
public Account OpenNewAccount(OpenNewAccountCommand command)
{
// validate user input ...
Validate(command);
// load bank account from the database
var accountToWithdrawGift = _dbContext.Accounts.Single(a => a.Name == "Bank Ldt.");
const decimal giftAmount = 400.00M;
// call domain service to execute the business case
var newAccount = _domainService.OpenNewAccount(command.Name, accountToWithdrawGift, giftAmount);
// persist new Account in the Database
_dbContext.Accounts.Add(newAccount);
_dbContext.SaveChanges();
return(newAccount);
}
public static async Task Main(string[] args)
{
//initialize actor system
CreateActorSystem();
//create send receiver identifiers
var senderId = AccountId.New;
var receiverId = AccountId.New;
//create mock opening balances
var senderOpeningBalance = new Money(509.23m);
var receiverOpeningBalance = new Money(30.45m);
//create commands for opening the sender and receiver accounts
var openSenderAccountCommand = new OpenNewAccountCommand(senderId, senderOpeningBalance);
var openReceiverAccountCommand = new OpenNewAccountCommand(receiverId, receiverOpeningBalance);
//send the command to be handled by the account aggregate
AccountManager.Tell(openReceiverAccountCommand);
AccountManager.Tell(openSenderAccountCommand);
//create command to initiate money transfer
var amountToSend = new Money(125.23m);
var transaction = new Transaction(senderId, receiverId, amountToSend);
var transferMoneyCommand = new TransferMoneyCommand(senderId, transaction);
//send the command to initiate the money transfer
AccountManager.Tell(transferMoneyCommand);
//fake 'wait' to let the saga process the chain of events
await Task.Delay(TimeSpan.FromSeconds(1));
Console.WriteLine("Walkthrough operations complete.\n\n");
Console.WriteLine("Press Enter to get the revenue:");
Console.ReadLine();
//get the revenue stored in the repository
var revenue = RevenueRepository.Ask <RevenueReadModel>(new GetRevenueQuery(), TimeSpan.FromMilliseconds(500)).Result;
//print the results
Console.WriteLine($"The Revenue is: {revenue.Revenue.Value}.");
Console.WriteLine($"From: {revenue.Transactions} transaction(s).");
Console.ReadLine();
}
private void NewAccount_Click(object sender, RoutedEventArgs e)
{
try {
var li = new LoginInfo("", "", true);
if (OpenNewAccountCommand != null)
{
OpenNewAccountCommand.Execute(li);
if (!li.Canceled)
{
this.TradingAccount = li.Account;
this.TradingPassword = li.Password;
this.TradingDemo = li.IsDemo;
}
}
} catch (Exception exc) {
masterModel.Log = exc;
}
}
