CoiSA\Http\Middleware\PregMatchRequestTargetMiddleware

Complexity

Total Complexity

3

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	process()	0	13	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 Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;

/**
 * Class PregMatchRequestTargetMiddleware
 *
 * @package CoiSA\Http\Middleware
 */
final class PregMatchRequestTargetMiddleware implements MiddlewareInterface
{
    /**
     * @var string
     */
    private $pattern;

    /**
     * @var RequestHandlerInterface
     */
    private $handler;

    /**
     * PregMatchRequestTargetMiddleware constructor.
     *
     * @param string                  $pattern
     * @param RequestHandlerInterface $handler
     */
    public function __construct(string $pattern, RequestHandlerInterface $handler)
    {
        $this->pattern = '(' . $pattern . ')i';
        $this->handler = $handler;
    }

    /**
     * @param ServerRequestInterface  $request
     * @param RequestHandlerInterface $handler
     *
     * @return ResponseInterface
     */
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        if (!\preg_match($this->pattern, $request->getRequestTarget(), $matches)) {
            return $handler->handle($request);
        }

        $pattern = $this->pattern;
        $request = $request->withAttribute(
            self::class,
            \compact('pattern', 'matches')
        );

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