public string TryConvertingRomanToArabic(string input)
{
var validationResult = _romanNumeralValidator.Validate(input);
var result = "";
if (validationResult.IsValid)
{
var convertToArabic = _romanToArabicConverter.ConvertToArabic(input);
result = convertToArabic.ToString();
}
else
{
result = validationResult.Messages.Aggregate(result, (current, message) => current + Environment.NewLine + message);
}
return(result);
}
