public void Handle(DebitAccountCommand command)
{
var account = _repository.GetById <Account>(command.AccountId);
account.Debit(command.Amount);
_repository.Save(account);
}
public static Transaction MapToTransaction(DebitAccountCommand command)
{
var transaction = MapToTransaction((TransactionCommand)command);
transaction.Amount = -command.DebitAmount;
transaction.IsDebit = true;
return(transaction);
}
private static TransactionCommand ParseLineToCommand(ILogger log, string filename, int lineNumber, string line)
{
// id,acc_number,date_time,amount,merchant,authorization
const int IdField = 0;
const int AccountNumberField = 1;
const int DateTimeField = 2;
const int AmountField = 3;
const int MerchantField = 4;
const int AuthorizationField = 5;
string[] fields = line.Split(',');
if (!decimal.TryParse(fields[AmountField].Replace("$", ""), out decimal amount))
{
string errorMessage = $"Could not parse amount to decimal: line #{lineNumber} field #{AmountField} \"{fields[AmountField]}\"";
log.LogError(errorMessage);
throw new InvalidOperationException(errorMessage);
}
if (!DateTime.TryParse(fields[DateTimeField], out DateTime dateTime))
{
string errorMessage = $"Could not parse date_time to DateTime: line #{lineNumber} field #{DateTimeField} \"{fields[DateTimeField]}\"";
log.LogError(errorMessage);
throw new InvalidOperationException(errorMessage);
}
TransactionCommand command;
if (amount >= 0)
{
// Credit
command = new CreditAccountCommand
{
CreditAmount = amount
};
}
else
{
// Debit
command = new DebitAccountCommand
{
DebitAmount = Math.Abs(amount)
};
}
command.Id = Guid.NewGuid();
command.Filename = filename;
command.AccountNumber = fields[AccountNumberField];
command.AuthorizationCode = fields[AuthorizationField];
command.MerchantId = fields[MerchantField];
command.TransactionDateTime = dateTime;
command.Amount = amount;
command.TransactionId = fields[IdField];
return(command);
}
public ICommandResult Handle(CommandContext context, DebitAccountCommand command)
{
var account = context.GetById <BankAccount>(command.Id);
account.DebitAccount(command.Amount);
context.Finalize(account);
return(CommandResult.Successful);
}
public ActionResult Debit(DebitAccountCommand command)
{
try
{
Configuration.Instance().Bus.Handle(command);
}
catch (AccountLockedException)
{
return(RedirectToAction("Locked", new { accountId = command.AccountId }));
}
return(RedirectToAction("Debited", new { accountId = command.AccountId }));
}
public void Handle(DebitAccountCommand message)
{
Console.WriteLine("Debiting account message received");
Host.GetCommandBus().Send(message);
}