public static Passport ParsePassport(string passportDefinition)
{
var matchByr = Regex.Match(passportDefinition, @"byr:([^\s]+)");
var matchIyr = Regex.Match(passportDefinition, @"iyr:([^\s]+)");
var matchEyr = Regex.Match(passportDefinition, @"eyr:([^\s]+)");
var matchHgt = Regex.Match(passportDefinition, @"hgt:([^\s]+)");
var matchHcl = Regex.Match(passportDefinition, @"hcl:([^\s]+)");
var matchEcl = Regex.Match(passportDefinition, @"ecl:([^\s]+)");
var matchPid = Regex.Match(passportDefinition, @"pid:([^\s]+)");
var matchCid = Regex.Match(passportDefinition, @"cid:([^\s]+)");
var result = new Passport();
if (matchByr.Success)
{
// byr:1937
// byr:1929
// byr:1931
result.BirthYear = matchByr.Groups[1].Value;
}
if (matchIyr.Success)
{
// iyr:2017
// iyr:2013
// iyr:2013
// iyr:2011
result.IssueYear = matchIyr.Groups[1].Value;
}
if (matchEyr.Success)
{
// eyr:2020
// eyr:2023
// eyr:2024
// eyr:2025
result.ExpirationYear = matchEyr.Groups[1].Value;
}
if (matchHgt.Success)
{
// hgt:183cm
// hgt:179cm
// hgt:59in
result.Height = matchHgt.Groups[1].Value;
}
if (matchHcl.Success)
{
// hcl:#fffffd
// hcl:#cfa07d
// hcl:#ae17e1
// hcl:#cfa07d
result.HairColor = matchHcl.Groups[1].Value;
}
if (matchEcl.Success)
{
// ecl:gry
// ecl:amb
// ecl:brn
// ecl:brn
result.EyeColor = matchEcl.Groups[1].Value;
}
if (matchPid.Success)
{
// pid:860033327
// pid:028048884
// pid:760753108
// pid:166559648
result.PassportId = matchPid.Groups[1].Value;
}
if (matchCid.Success)
{
// cid:147
// cid:350
result.CountryId = matchCid.Groups[1].Value;
}
return(result);
}
public static bool GetIsValidPassport(
Passport passport,
PassportPolicy passportPolicy)
{
if (passportPolicy.IsRequiredBirthYear &&
string.IsNullOrWhiteSpace(passport.BirthYear))
{
return(false);
}
if (passportPolicy.IsRequiredCountryId &&
string.IsNullOrWhiteSpace(passport.CountryId))
{
return(false);
}
if (passportPolicy.IsRequiredExpirationYear &&
string.IsNullOrWhiteSpace(passport.ExpirationYear))
{
return(false);
}
if (passportPolicy.IsRequiredEyeColor &&
string.IsNullOrWhiteSpace(passport.EyeColor))
{
return(false);
}
if (passportPolicy.IsRequiredHairColor &&
string.IsNullOrWhiteSpace(passport.HairColor))
{
return(false);
}
if (passportPolicy.IsRequiredHeight &&
string.IsNullOrWhiteSpace(passport.Height))
{
return(false);
}
if (passportPolicy.IsRequiredIssueYear &&
string.IsNullOrWhiteSpace(passport.IssueYear))
{
return(false);
}
if (passportPolicy.IsRequiredPassportId &&
string.IsNullOrWhiteSpace(passport.PassportId))
{
return(false);
}
// If the policy doesn't validate fields, stop now
if (!passportPolicy.IsValidatingFields)
{
return(true);
}
// Validate birth year
if (!string.IsNullOrWhiteSpace(passport.BirthYear))
{
var birthYear = int.Parse(passport.BirthYear);
if (birthYear < passportPolicy.BirthYearMin ||
birthYear > passportPolicy.BirthYearMax)
{
return(false);
}
}
// Validate issue year
if (!string.IsNullOrWhiteSpace(passport.IssueYear))
{
var issueYear = int.Parse(passport.IssueYear);
if (issueYear < passportPolicy.IssueYearMin ||
issueYear > passportPolicy.IssueYearMax)
{
return(false);
}
}
// Validate expiration year
if (!string.IsNullOrWhiteSpace(passport.ExpirationYear))
{
var expirationYear = int.Parse(passport.ExpirationYear);
if (expirationYear < passportPolicy.ExpirationYearMin ||
expirationYear > passportPolicy.ExpirationYearMax)
{
return(false);
}
}
// Validate height
if (!string.IsNullOrWhiteSpace(passport.Height))
{
// hgt(Height) - a number followed by either cm or in:
// If cm, the number must be at least 150 and at most 193.
// If in, the number must be at least 59 and at most 76.
var heightMatch = Regex.Match(passport.Height, passportPolicy.HeightPattern);
if (!heightMatch.Success)
{
return(false);
}
var heightNumber = int.Parse(heightMatch.Groups[1].Value);
var unit = heightMatch.Groups[2].Value;
if ("cm".Equals(unit))
{
if (heightNumber < passportPolicy.HeightCmMin ||
heightNumber > passportPolicy.HeightCmMax)
{
return(false);
}
}
else if ("in".Equals(unit))
{
if (heightNumber < passportPolicy.HeightInMin ||
heightNumber > passportPolicy.HeightInMax)
{
return(false);
}
}
else
{
throw new Exception($"Unrecognized unit: {unit}");
}
}
// Validate hair color
if (!string.IsNullOrWhiteSpace(passport.HairColor))
{
var hairColorMatch = Regex.Match(passport.HairColor, passportPolicy.HairColorPattern);
if (!hairColorMatch.Success)
{
return(false);
}
}
// Validate eye color
if (!string.IsNullOrWhiteSpace(passport.EyeColor))
{
var eyeColorMatch = Regex.Match(passport.EyeColor, passportPolicy.EyeColorPattern);
if (!eyeColorMatch.Success)
{
return(false);
}
}
// Validate passport id
if (!string.IsNullOrWhiteSpace(passport.PassportId))
{
var passportIdMatch = Regex.Match(passport.PassportId, passportPolicy.PassportIdPattern);
if (!passportIdMatch.Success)
{
return(false);
}
}
// Validate country id
return(true);
}
