public async Task Handle(CompleteTransfer completeTransfer, IMessageHandlerContext context)
{
try
{
log.Info($"CompleteTransferHandler, TransferId = {completeTransfer.TransactionId}");
var nHibernateSession = context.SynchronizedStorageSession.Session();
var transactionId = TransactionId.FromExisting(completeTransfer.TransactionId);
var transaction = nHibernateSession.Get<Transaction>(transactionId) ?? Transaction.NonExisting();
if (transaction.DoesNotExist())
{
return;
}
transaction.Complete();
transaction.ChangeUpdatedAt();
nHibernateSession.Save(transaction);
var transferCompleted = new TransferCompleted
(
completeTransfer.TransactionId
);
await context.Publish(transferCompleted);
}
catch (Exception ex)
{
log.Error(ex.Message + " ** " + ex.StackTrace);
}
}
public static Transaction NonExisting()
{
DateTime Now = DateTime.Now;
TransactionId transactionId = TransactionId.FromExisting(null);
BankAccountId fromBankAccountId = BankAccountId.FromExisting(null);
BankAccountId toBankAccountId = BankAccountId.FromExisting(null);
return(new Transaction(
transactionId,
fromBankAccountId,
toBankAccountId,
null,
TransactionStateId.NULL,
Now,
Now));
}
public async Task Handle(StartTransfer startTransfer, IMessageHandlerContext context)
{
try
{
log.Info($"StartTransferHandler, TransactionId = {startTransfer.TransactionId}");
var nHibernateSession = context.SynchronizedStorageSession.Session();
var transactionId = TransactionId.FromExisting(startTransfer.TransactionId);
var fromBankAccount = nHibernateSession.Query <BankAccount>().FirstOrDefault
(x => x.BankAccountNumber.Number == startTransfer.FromBankAccountNumber) ?? BankAccount.NonExisting();
if (fromBankAccount.DoesNotExist())
{
return;
}
var toBankAccount = nHibernateSession.Query <BankAccount>().FirstOrDefault
(x => x.BankAccountNumber.Number == startTransfer.ToBankAccountNumber) ?? BankAccount.NonExisting();
if (toBankAccount.DoesNotExist())
{
return;
}
var money = Money.Dollars(startTransfer.Amount);
var transactionState = TransactionStateId.STARTED;
var now = DateTime.UtcNow;
var transaction = new Transaction(
transactionId,
fromBankAccount.BankAccountId,
toBankAccount.BankAccountId,
money,
transactionState,
now,
now
);
nHibernateSession.Save(transaction);
var transferStarted = new TransferStarted
(
startTransfer.TransactionId,
fromBankAccount.BankAccountId.Id,
toBankAccount.BankAccountId.Id,
startTransfer.Amount
);
await context.Publish(transferStarted);
}
catch (Exception ex)
{
log.Error(ex.Message + " ** " + ex.StackTrace);
}
}
