public override async Task <IResult <Account> > Execute(ValidateTransactionIntent argument)
{
var transactionResult = await _getTransactionQuery.Fetch(new GetTransactionIntent(argument.TransactionId));
if (!transactionResult.IsSuccessful)
{
return(transactionResult.FailureDetails.ToErrorResult <Account>());
}
var transaction = transactionResult.Content;
if (transaction == null)
{
return(FailureReason.ExpectationFailed.ToErrorResult <Account>("ValidateTransactionIntent", "not found transaction"));
}
if (transaction.TransactionStatus != Transaction.Status.Submitted &&
transaction.TransactionStatus != Transaction.Status.Error)
{
return(FailureReason.ExpectationFailed.ToErrorResult <Account>("ValidateTransactionIntent", $"invalid transaction status: {transaction.TransactionStatus.ToString()}"));
}
var senderResult = await _getAccountQuery.Fetch(new GetAccountIntent(transaction.SenderKey));
var recipientResult = await _getAccountQuery.Fetch(new GetAccountIntent(transaction.RecipientKey));
if (!(senderResult.IsSuccessful && recipientResult.IsSuccessful))
{
return(senderResult.FailureDetails
.Union(recipientResult.FailureDetails)
.ToErrorResult <Account>());
}
var updateStatusResult = await _updateStatusCommand.Execute(new UpdateTransactionStatusIntent(transaction.Id, Transaction.Status.Pending));
if (!updateStatusResult.IsSuccessful)
{
return(updateStatusResult.FailureDetails.ToErrorResult <Account>());
}
IResult <Account> accountResult = null;
try
{
accountResult = await _createOperationCommand.Execute(new CreateOperationIntent(
transaction,
senderResult.Content,
recipientResult.Content));
var status = accountResult?.IsSuccessful ?? false ?
Transaction.Status.Accepted :
Transaction.Status.Error;
updateStatusResult = await _updateStatusCommand.Execute(new UpdateTransactionStatusIntent(
transaction.Id,
status));
if (!updateStatusResult.IsSuccessful)
{
accountResult.AddFailureDetails(updateStatusResult.FailureDetails.ToArray());
}
accountResult.Content.SetTransactionStatus(transaction.Id, status);
return(accountResult);
}
catch (Exception exception)
{
throw new IntentException(argument, _createOperationCommand, exception);
}
}
