public static PropertyValidator <TProperty> ValidIfTrue <TProperty>(
this PropertyValidator <TProperty> validator,
Func <TProperty, bool?> predicate,
string errorMessage)
{
validator.AddRule(value =>
{
bool?result = predicate(value);
if (result.HasValue)
{
return(result.Value
? PropertyValidationResult.Success
: new PropertyValidationResult(ValidationStatus.Invalid, errorMessage));
}
return(PropertyValidationResult.Unvalidated);
});
return(validator);
}
public static PropertyValidator <string> Required(this PropertyValidator <string> validator, string errorMessage)
{
return(validator.ValidIfTrue(value => !string.IsNullOrEmpty(value), errorMessage));
}
public static PropertyValidator <SecureString> Required(this PropertyValidator <SecureString> validator, string errorMessage)
{
return(validator.ValidIfTrue(value => value is null ? (bool?)null : value.Length > 0, errorMessage));
}
