public void ApplyCredit(CreditTransaction trans)
{
if (trans.Amount < 0)
{
throw new ArgumentOutOfRangeException(nameof(trans.Amount), "Amount cannot be less than 0.");
}
account.ApplyCredit(trans.Amount);
}
static void Main(string[] args)
{
Console.WriteLine("Hit return on an empty line to cancel...");
Console.WriteLine("Enter a value. Negative values are debits, positive are credits.");
var svc = new AccountSvc();
while (true)
{
var line = Console.ReadLine();
if (string.IsNullOrWhiteSpace(line))
{
break;
}
if (double.TryParse(line, out var val))
{
try
{
if (val < 0)
{
var trans = new DebitTransaction(val);
svc.ApplyDebit(trans);
}
else
{
var trans = new CreditTransaction(val);
svc.ApplyCredit(trans);
}
}
catch (ArgumentOutOfRangeException e)
{
Console.WriteLine(e.Message.Split('\r', '\n')[0]);
}
}
else
{
Console.WriteLine("Unable to process transaction.");
}
}
}