/// <summary>
/// Combines two Validate pipelines, but only if the first pipeline is valid.
/// </summary>
/// <typeparam name="TI">The type of the object that is passed into the pipeline delegate when invoked.</typeparam>
/// <typeparam name="TV">First pipeline: The type of the source object that is the Val of the source IValueAndSupplement interface.</typeparam>
/// <typeparam name="TW">Second pipeline: The type of the source object that is the Val of the source IValueAndSupplement interface.</typeparam>
/// <typeparam name="TR">The resulting object that is the Supplemented value of the returned ToValueSupplementValue object. The supplemented value implements the IValidatorResults interface with broken validations.</typeparam>
/// <typeparam name="TS">The supplemented value of the first pipeline. The supplemented value implements the IValidatorResults interface with broken validations.</typeparam>
/// <param name="firstValidatorPipe">The first validate pipelines</param>
/// <param name="invokeeSecondPipeLine">Func delegate that returns the second validate pipeline.</param>
/// <param name="secondValidatorPipe">Validator type of the resulting pipeline.</param>
/// <returns>An object of type ToValueSupplementValue (Func delegate that returns an object that implements the IValueAndSupplement interface when invoked with an object of type TI.</returns>
public static Pipe.ToValueSupplementValue <TI, TW, TR> JoinIfValid <TI, TV, TW, TR, TS>(
this Pipe.ToValueSupplementValue <TI, TV, TS> firstValidatorPipe, Func <TV, TW> invokeeSecondPipeLine,
Pipe.ToValueSupplementValue <TW, TW, TR> secondValidatorPipe)
where TI : new()
where TV : new()
where TW : new()
where TR : IValidatorResults, new()
where TS : IValidatorResults, new()
{
TS input = new TS();
Pipe.ToValueSupplementValue <TW, TW, TR> Second()
{
if (input.Messages.Count == 0)
{
return(secondValidatorPipe);
}
return(Pipe.Init(() => new TR(), new Validator <TW, TR>()));
}
return(firstValidatorPipe.Transform(x =>
{
input = x.SupplementVal;
return invokeeSecondPipeLine(x.Val);
}, Second,
(TS src, TR ret) => ret.Messages.AddRange(src.Messages)));
}
/// <summary>
/// Combines two Validate pipelines, even if the first pipeline is invalid.
/// </summary>
/// <typeparam name="TI">The type of the object that is passed into the pipeline delegate when invoked.</typeparam>
/// <typeparam name="TV">First pipeline: The type of the source object that is the Val of the source IValueAndSupplement interface.</typeparam>
/// <typeparam name="TW">Second pipeline: The type of the source object that is the Val of the source IValueAndSupplement interface.</typeparam>
/// <typeparam name="TR">The resulting object that is the Supplemented value of the returned ToValueSupplementValue object. The supplemented value implements the IValidatorResults interface with broken validations.</typeparam>
/// <typeparam name="TS">The supplemented value of the first pipeline. The supplemented value implements the IValidatorResults interface with broken validations.</typeparam>
/// <param name="firstValidatorPipe">The first validate pipelines</param>
/// <param name="invokeeSecondPipeLine">Func delegate that returns the second validate pipeline.</param>
/// <param name="secondValidatorPipe">Validator type of the resulting pipeline.</param>
/// <returns>An object of type ToValueSupplementValue (Func delegate that returns an object that implements the IValueAndSupplement interface when invoked with an object of type TI.</returns>
public static Pipe.ToValueSupplementValue <TI, TW, TR> Join <TI, TV, TW, TR, TS>(
this Pipe.ToValueSupplementValue <TI, TV, TS> firstValidatorPipe, TW invokeeSecondPipeLine,
Pipe.ToValueSupplementValue <TW, TW, TR> secondValidatorPipe)
where TI : new()
where TV : new()
where TW : new()
where TR : IValidatorResults, new()
where TS : IValidatorResults, new()
{
return(firstValidatorPipe.Then((TS _) => invokeeSecondPipeLine,
secondValidatorPipe,
(src, ret) => ret.Messages.AddRange(src.Messages)));
}