public IEnumerable <ApplicationEvent> Process(BankOperationProcessorCommand command)
{
Argument.NotNull(command, "command");
var operation = command.BankOperation;
if (operation.Status == ProcessStatus.Failed)
{
Logger.Warn("Operation #{0} has been already failed.", operation.Id);
return(Enumerable.Empty <ApplicationEvent>());
}
if (operation.Status == ProcessStatus.Completed)
{
Logger.Warn("Operation #{0} has been already completed.", operation.Id);
return(Enumerable.Empty <ApplicationEvent>());
}
var postponeDate = PostponeDateOrNull(operation);
if (postponeDate != null)
{
var operationModel = command.BankOperation.ToModel <BankOperation, BankOperationModel>();
var @event = new OperationProgressEvent(command.OperationId, operationModel);
return(new List <ApplicationEvent>
{
new PostponedEvent(@event, postponeDate.Value)
});
}
return(ProcessPending(command));
}
protected override IEnumerable <ApplicationEvent> ProcessPending(BankOperationProcessorCommand command)
{
var transfer = (Transfer)command.BankOperation;
var appOperationId = command.OperationId;
if (transfer.Withdrawal != null &&
transfer.Withdrawal.Status == ProcessStatus.Pending &&
transfer.Deposit == null)
{
return(WhenWithdrawalPending(appOperationId, transfer));
}
if (transfer.Withdrawal != null &&
transfer.Deposit == null &&
transfer.Withdrawal.Status == ProcessStatus.Failed)
{
return(WhenWithdrawalFailed(appOperationId, transfer));
}
if (transfer.Withdrawal != null &&
transfer.Deposit == null &&
transfer.Withdrawal.Status == ProcessStatus.Completed)
{
return(WhenWithdrawalCompleted(appOperationId, transfer));
}
if (transfer.Deposit != null &&
transfer.Deposit.Status == ProcessStatus.Failed)
{
return(WhenDepositFailed(appOperationId, transfer));
}
if (transfer.Deposit != null &&
transfer.Deposit.Status == ProcessStatus.Completed)
{
return(WhenDepositCompleted(appOperationId, transfer));
}
return(WhenStateIsInvalid(appOperationId, transfer));
}
protected abstract IEnumerable <ApplicationEvent> ProcessPending(BankOperationProcessorCommand command);
