Ctw\Middleware\TrailingSlashMiddleware\TrailingSlashMiddleware

Complexity

Total Complexity

10

Size/Duplication

Total Lines	51
Duplicated Lines	0 %

Test Coverage

Coverage

88%

Importance

Changes	6
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	normalize()	0	16	5
A	process()	0	26	5

<?php
declare(strict_types=1);

namespace Ctw\Middleware\TrailingSlashMiddleware;

use Ctw\Http\HttpStatus;
use Middlewares\Utils\Factory;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;

class TrailingSlashMiddleware extends AbstractTrailingSlashMiddleware
{
    /**
     * @var string
     */
    private const HEADER = 'Location';

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $config   = $this->getConfig();
        $uri      = $request->getUri();
        $response = $handler->handle($request);

        if (isset($config['path_disable'])) {
            foreach ($config['path_disable'] as $path) {
                if (str_starts_with($uri->getPath(), $path)) {
                    return $response;
                }
            }
        }

        $path = $this->normalize($uri->getPath());

        if ($path === $uri->getPath()) {
            return $response;
        }

        $location = $uri->withPath($path)
                        ->__toString();
        $factory  = Factory::getResponseFactory();
        $response = $factory->createResponse(HttpStatus::STATUS_MOVED_PERMANENTLY);

        return $response->withHeader(self::HEADER, $location);
    }

    private function normalize(string $path): string
    {
        $slash = '/';

        if ('' === $path) {
            return $slash;
        }

        if (1 < strlen($path)) {
            $extension = pathinfo($path, PATHINFO_EXTENSION);
            if ($slash !== substr($path, -1) && '' === $extension) {
                return $path . $slash;
            }
        }

        return $path;
    }
}