private Task <EntityEventResult> HandleCheckCashed(IEntityEvent <Guid> arg)
{
var cce = (CheckCashedEvent)arg;
Balance -= cce.Amount;
if (Balance < 0)
{
//we overdrafted! we put out another event to let the system handle this
var overdraftEvent = new AccountOverdrawnEvent(Id);
EventPipeline.AddEvent <CheckingAccount>(overdraftEvent);
}
return(Task.FromResult(EntityEventResult.Applied));
}
public void Handle(CreateNewTransactionCommand message)
{
var dataContext = new TransactionsDataContext();
var accountBalance = dataContext.Transactions.Sum(x => x.Amount);
if (accountBalance <= -100 && message.Amount < 0)
{
Bus.Return((int)TransactionProcessedEvent.Failure);
return;
}
var transaction = new Transaction
{
Amount = message.Amount,
Description = message.Description,
TransactionDate = message.TransactionDate
};
dataContext.Transactions.InsertOnSubmit(transaction);
dataContext.SubmitChanges();
Console.WriteLine(string.Format("New transaction added: {0}", transaction.TransactionId));
Bus.Return((int)TransactionProcessedEvent.Success);
accountBalance += transaction.Amount;
if (accountBalance >= 0)
{
return;
}
var accountOverdrawnEvent = new AccountOverdrawnEvent
{
Balance = accountBalance,
EmailAddress = "*****@*****.**",
TransactionAmount = transaction.Amount
};
Bus.Publish(accountOverdrawnEvent);
}
