RequestResolver.php

<?php declare(strict_types=1);

namespace Common\ArgumentResolver;


use Common\Exception\ValidationErrorException;
use Common\Request\RequestData;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
use Symfony\Component\Validator\Validator\ValidatorInterface;


class RequestResolver implements ArgumentValueResolverInterface
{
    private $validator;

    public function __construct(ValidatorInterface $validator)
    {
        $this->validator = $validator;
    }

    public function supports(Request $request, ArgumentMetadata $argumentMetadata): bool
    {
        return is_subclass_of($argumentMetadata->getType(), RequestData::class);
    }

    public function resolve(Request $request, ArgumentMetadata $argumentMetadata): \Generator
    {
        /** @var RequestData $requestData */
        $requestData = $argumentMetadata->getType();

        /** @var RequestData $mapped */
        $mapped = $requestData::create($request->request);

        $errors = $this->validator->validate($mapped);

        if (count($errors)) {
            throw new ValidationErrorException($errors);
        }

        yield $mapped;
    }
}