private string HandlePredictCommand(PredictOption opts)
{
JObject currencies = _reader.ReadCurrencies();
StringBuilder stringBuilder = new StringBuilder();
if (!currencies.ContainsKey(opts.From))
{
stringBuilder.AppendLine($"Currency code {opts.From} is invalid.");
}
if (!currencies.ContainsKey(opts.To))
{
stringBuilder.AppendLine($"Currency code {opts.To} is invalid.");
}
if (stringBuilder.Length > 0)
{
throw new ArgumentException(stringBuilder.ToString());
}
PredictorOption option = new PredictorOption
{
FromDate = DateTime.ParseExact("15/01/2016", "dd/MM/yyyy", CultureInfo.InvariantCulture),
ToDate = DateTime.ParseExact("15/12/2016", "dd/MM/yyyy", CultureInfo.InvariantCulture),
PredictDate = DateTime.ParseExact("15/01/2017", "dd/MM/yyyy", CultureInfo.InvariantCulture),
FromCurrency = opts.From,
ToCurrency = opts.To
};
decimal rate = _predictor.Predict(option);
string result = $"The predicted currency exchange from {opts.From} to {opts.To} for 15/1/2017 is {rate}";
return(result);
}
