CoiSA\Http\Middleware\MiddlewareAggregator

Complexity

Total Complexity

3

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Test Coverage

Coverage

61.53%

Importance

Changes	2
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	process()	0	18	2

<?php

/**
 * This file is part of coisa/http.
 *
 * (c) Felipe Sayão Lobato Abreu <github@felipeabreu.com.br>
 *
 * This source file is subject to the license that is bundled
 * with this source code in the file LICENSE.
 */

declare(strict_types=1);

namespace CoiSA\Http\Middleware;

use CoiSA\Http\Handler\MiddlewareHandler;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;

/**
 * Class MiddlewareAggregator
 *
 * @package CoiSA\Http\Middleware
 */
final class MiddlewareAggregator implements MiddlewareInterface
{
    /**
     * @var MiddlewareInterface[]
     */
    private $middlewares;

    /**
     * MiddlewareAggregator constructor.
     *
     * @param MiddlewareInterface ...$middlewares
     */
    public function __construct(MiddlewareInterface ...$middlewares)
    {
        $this->middlewares = $middlewares;
    }

    /**
     * {@inheritdoc}
     */
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $middleware = \current($this->middlewares);

        if (!$middleware) {
            \reset($this->middlewares);

            return $handler->handle($request);
        }

        \next($this->middlewares);

        $requestHandler = new MiddlewareHandler(
            $this,
            $handler
        );

        return $middleware->process($request, $requestHandler);
    }
}