Http Endpoint

HttpEndpoint.php

<?php

declare(strict_types=1);

use GuzzleHttp\Psr7\Utils;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;

abstract class HttpEndpoint
{
    final public function handleRequest(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface
    {
        $requestMethod = strtolower($request->getMethod());
        if (!method_exists($this, $requestMethod)) {
            $responseObject = new MethodNotAllowed();
        } else {
            $parameters = ParameterFactory::resolveParameters(get_class($this), $requestMethod, $request);
            $responseObject = $this->$requestMethod(...$parameters);
        }

        $response = $response->withBody(Utils::streamFor(\json_encode($responseObject, JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT)));
        $responseAttribute = PathResponse::fromReflectionClass(new \ReflectionClass($responseObject));
        $response = $response->withStatus($responseAttribute->statusCode);

        return $response;
    }
}