private void ConfigureValidationRules()
{
Validator.AddRequiredRule(() => UserName, "User Name is required");
Validator.AddAsyncRule(nameof(UserName),
async() =>
{
var isAvailable = await UserRegistrationService.IsUserNameAvailable(UserName).ToTask();
return(RuleResult.Assert(isAvailable,
string.Format("User Name {0} is taken. Please choose a different one.", UserName)));
});
Validator.AddRequiredRule(() => FirstName, "First Name is required");
Validator.AddRequiredRule(() => LastName, "Last Name is required");
Validator.AddRequiredRule(() => Email, "Email is required");
Validator.AddRule(nameof(Email),
() =>
{
const string regexPattern =
@"^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$";
return(RuleResult.Assert(Regex.IsMatch(Email, regexPattern),
"Email must by a valid email address"));
});
Validator.AddRequiredRule(() => Password, "Password is required");
Validator.AddRule(nameof(Password),
() => RuleResult.Assert(Password.Length >= 6,
"Password must contain at least 6 characters"));
Validator.AddRule(nameof(Password),
() => RuleResult.Assert((!Password.All(char.IsLower) &&
!Password.All(char.IsUpper) &&
!Password.All(char.IsDigit)),
"Password must contain both lower case and upper case letters"));
Validator.AddRule(nameof(Password),
() => RuleResult.Assert(Password.Any(char.IsDigit),
"Password must contain at least one digit"));
Validator.AddRule(nameof(PasswordConfirmation),
() =>
{
if (!string.IsNullOrEmpty(Password) && string.IsNullOrEmpty(PasswordConfirmation))
{
return(RuleResult.Invalid("Please confirm password"));
}
return(RuleResult.Valid());
});
Validator.AddRule(nameof(Password),
nameof(PasswordConfirmation),
() =>
{
if (!string.IsNullOrEmpty(Password) && !string.IsNullOrEmpty(PasswordConfirmation))
{
return(RuleResult.Assert(Password == PasswordConfirmation, "Passwords do not match"));
}
return(RuleResult.Valid());
});
Validator.AddChildValidatable(() => InterestSelectorViewModel);
}