Maba\Bundle\RestBundle\Listener\LocaleListener

Complexity

Total Complexity

7

Size/Duplication

Total Lines	43
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	onKernelRequest()	0	13	3
A	resolveFromHeaders()	0	11	3

<?php
declare(strict_types=1);

namespace Maba\Bundle\RestBundle\Listener;

use Maba\Bundle\RestBundle\Service\RestRequestHelper;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\Event\RequestEvent;

/**
 * @internal
 */
class LocaleListener
{
    private $requestHelper;
    private $locales;

    public function __construct(
        RestRequestHelper $requestHelper,
        array $locales
    ) {
        $this->requestHelper = $requestHelper;
        $this->locales = $locales;
    }

    /**
     * Both events are type-casted as one is deprecated from 4.3, but another not available before this version
     * @param GetResponseEvent|RequestEvent $event
     */
    public function onKernelRequest($event)
    {
        $request = $event->getRequest();

        if (!$this->requestHelper->isRestRequest($request)) {
            return;
        }

        $locale = $this->resolveFromHeaders($request);
        if ($locale !== null) {
            $request->setLocale($locale);
        }
    }

    private function resolveFromHeaders(Request $request)
    {
        $defaultLocale = 'default';
        $preferredLanguage = $request->getPreferredLanguage(array_merge([$defaultLocale], $this->locales));

        if ($preferredLanguage !== null && $preferredLanguage !== $defaultLocale) {
            return $preferredLanguage;
        }

        return null;
    }
}