public static Func <T, ValidationResult> ValidateMax(T max, ValidationResult.Level level)
{
return((val) =>
{
if (val.CompareTo(max) > 0)
{
return new ValidationResult(level, string.Format("Must be no more than {0}", max));
}
return new ValidationResult();
});
}
public static Func <T, ValidationResult> ValidateMin(T min, ValidationResult.Level level)
{
return((val) =>
{
if (val.CompareTo(min) < 0)
{
return new ValidationResult(level, string.Format("Must be at least {0}", min));
}
return new ValidationResult();
});
}
public static Func <T, ValidationResult> ValidateMinMax(T min, T max, ValidationResult.Level level)
{
return((val) =>
{
var result = ValidateMin(min, level).Invoke(val);
if (result.Severity == ValidationResult.Level.None)
{
result = ValidateMax(max, level).Invoke(val);
}
return result;
});
}
public static Func <string, ValidationResult> ValidateContains(Func <IList <Tuple <int, string, string> > > tupleF, ValidationResult.Level level)
{
return((val) => {
var tuples = tupleF();
foreach (var tuple in tuples)
{
if (tuple.Item2 == val)
{
return new ValidationResult();
}
}
return new ValidationResult(level, string.Format("Must be one of {0}", string.Join(", ", tuples.Select(tuple => tuple.Item2).ToArray())));
});
}