private void OnExecute(CommandLineApplication app)
{
if (string.IsNullOrEmpty(CurrencyPair))
{
app.ShowHelp();
}
var currencies = CurrencyPair.Split('/');
var baseCurrencyISO = currencies[0];
var quoteCurrencyISO = currencies[1];
try
{
var exchanger = new RateExchanger(new HardCodedCurrencyPairRepository());
var result = exchanger.Exchage(baseCurrencyISO, quoteCurrencyISO, (decimal)Amount);
Console.WriteLine(result.Amount);
}
catch (RateNotFoundException)
{
Console.WriteLine("Rate not found.");
}
catch (Exception)
{
Console.WriteLine("Unknown error.");
}
}