private IPropertyValidationRule <T>?CreateRule <T>(IProperty <T> property, IMetadata validationMetadata)
{
return(validationMetadata switch
{
IAllowedValues allowedValues => new OnlyAllowedValuesRule <T>(property, (IAllowedValues <T>?)allowedValues),
INumericInterval numericInterval => new ShouldBeInInterval <T>(property, numericInterval),
_ => null,
});
public static string ToIntervalString(this INumericInterval interval, string?intervalDelimeter = "..")
{
intervalDelimeter ??= "..";
string left = interval.Minimum.HasValue ? interval.Minimum.Value.ToString(NumberFormatInfo.InvariantInfo) : "-Infinity";
string right = interval.Maximum.HasValue ? interval.Maximum.Value.ToString(NumberFormatInfo.InvariantInfo) : "+Infinity";
string leftBracket = interval.IsLeftIncluded() ? "[" : "(";
string rightBracket = interval.IsRightIncluded() ? "]" : ")";
return($"{leftBracket}{left}{intervalDelimeter}{right}{rightBracket}");
}
/// <summary>
/// Adds <see cref="INumericInterval"/> metadata to numeric property or schema.
/// </summary>
/// <typeparam name="TSchema">Schema type.</typeparam>
/// <param name="schema">Source property.</param>
/// <param name="numericInterval">Numeric interval for property values.</param>
/// <returns>The same property.</returns>
public static TSchema SetNumericInterval <TSchema>(this TSchema schema, INumericInterval numericInterval, MetadataMergeMode mergeMode = MetadataMergeMode.Set)
where TSchema : ISchema
{
schema.AssertArgumentNotNull(nameof(schema));
schema.AssertPropertyIsNumeric();
INumericInterval interval = numericInterval;
if (mergeMode == MetadataMergeMode.Merge && schema.GetNumericInterval() is { } existing)
{
interval = new NumericInterval(
minimum: numericInterval.Minimum ?? existing.Minimum,
exclusiveMinimum: numericInterval.ExclusiveMinimum ?? existing.ExclusiveMinimum,
maximum: numericInterval.Maximum ?? existing.Maximum,
exclusiveMaximum: numericInterval.ExclusiveMaximum ?? existing.ExclusiveMaximum);
}
return(schema.SetMetadata(interval));
}
public static bool IsRightIncluded(this INumericInterval interval)
{
return(!interval.ExclusiveMaximum.HasValue || interval.ExclusiveMaximum == false);
}
public static TSchema MergeNumericInterval <TSchema>(this TSchema schema, INumericInterval numericInterval)
where TSchema : ISchema
{
return(SetNumericInterval(schema, numericInterval, MetadataMergeMode.Merge));
}
