public double GetConversion(string fromCurrency, string toCurrency)
{
if (string.IsNullOrWhiteSpace(toCurrency) || string.IsNullOrWhiteSpace(fromCurrency))
{
throw new Exception(Messages.NullInputs);
}
double rate = 0;
string searchString = fromCurrency.ToUpper() + toCurrency.ToUpper();
// We will have keys of length 6 that will be containing teh conversion,
// otherwise, just return not found.
if (searchString.Length != 6)
{
throw new Exception(Messages.NoResults);
}
Dictionary <string, string> items = new ACurrencyConvertor().GetRate();
foreach (var item in items)
{
if (item.Key.Contains(searchString))
{
if (double.TryParse(item.Value, out rate))
{
if (double.IsPositiveInfinity(rate))
{
throw new Exception(Messages.InvalidResult);
}
return(rate);
}
else
{
throw new Exception(Messages.TypeMismatch);
}
}
}
throw new Exception(Messages.NoResults);
}
public double GetConversion(string fromCurrency, string toCurrency)
{
if (string.IsNullOrWhiteSpace(toCurrency) || string.IsNullOrWhiteSpace(fromCurrency))
{
throw new Exception(Messages.NullInputs);
}
double rate = 0;
string searchString = fromCurrency.ToUpper() + toCurrency.ToUpper();
// We will have keys of length 6 that will be containing teh conversion,
// otherwise, just return not found.
if (searchString.Length != 6)
{
throw new Exception(Messages.NoResults);
}
Dictionary<string, string> items = new ACurrencyConvertor().GetRate();
foreach (var item in items)
{
if (item.Key.Contains(searchString))
{
if (double.TryParse(item.Value, out rate))
{
if (double.IsPositiveInfinity(rate))
{
throw new Exception(Messages.InvalidResult);
}
return rate;
}
else
{
throw new Exception(Messages.TypeMismatch);
}
}
}
throw new Exception(Messages.NoResults);
}