public string Generate(string enrollmentNumber)
{
if (string.IsNullOrWhiteSpace(enrollmentNumber))
{
throw new FormatException(ErrorMessage.INVALID_ENROLLMENT_NUMBER_FORMAT);
}
int decimalCheckDigit = _checkDigitCalculator.Calculate(enrollmentNumber);
string checkDigit = _hexadecimalConverter.ConvertToHexadecimal(decimalCheckDigit);
enrollmentNumber = FormatEnrollmentNumber(enrollmentNumber);
return($"{enrollmentNumber}-{checkDigit}");
}
public bool Validate(string fullEnrollmentNumber) //TODO: adicionar out de motivo para resultado falso
{
if (string.IsNullOrWhiteSpace(fullEnrollmentNumber))
{
return(false);
}
var splittedEnrNumber = fullEnrollmentNumber.Split('-');
if (splittedEnrNumber.Length != 2)
{
return(false);
}
int decimalCheckDigit;
try
{
decimalCheckDigit = _checkDigitCalculator.Calculate(splittedEnrNumber[0].Trim());
}
catch (FormatException)
{
return(false);
}
string checkDigit;
try
{
checkDigit = _hexadecimalConverter.ConvertToHexadecimal(decimalCheckDigit);
}
catch (Exception)
{
return(false);
}
return(checkDigit.Equals(splittedEnrNumber[1].Trim(), StringComparison.OrdinalIgnoreCase));
}