SWP\Bundle\CoreBundle\GeoIp\CachedGeoIpChecker

Complexity

Total Complexity

5

Size/Duplication

Total Lines	41
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	isGranted()	0	19	3
A	generateCacheKey()	0	4	1

<?php

declare(strict_types=1);

/*
 * This file is part of the Superdesk Publisher Core Bundle.
 *
 * Copyright 2019 Sourcefabric z.ú. and contributors.
 *
 * For the full copyright and license information, please see the
 * AUTHORS and LICENSE files distributed with this source code.
 *
 * @copyright 2019 Sourcefabric z.ú.
 * @license http://www.superdesk.org/license
 */

namespace SWP\Bundle\CoreBundle\GeoIp;

use Doctrine\Common\Cache\Cache;
use SWP\Bundle\CoreBundle\Model\ArticleInterface;
use SWP\Component\GeoIP\Checker\GeoIPChecker;
use SWP\Component\GeoIP\Model\GeoIpPlaceInterface;

class CachedGeoIpChecker
{
    public const CACHE_KEY_GEO_IP = '_swp_geoip_';

    /** @var GeoIPChecker */
    private $geoIpChecker;

    /** @var Cache */
    private $cacheProvider;

    public function __construct(GeoIPChecker $geoIPChecker, Cache $cacheProvider)
    {
        $this->geoIpChecker = $geoIPChecker;
        $this->cacheProvider = $cacheProvider;
    }

    public function isGranted(string $ipAddress, ArticleInterface $article): bool
    {
        if (false === $article instanceof GeoIpPlaceInterface) {
            return false;
        }

        $geoIpPlaces = $article->getGeoIpPlaces();

        $cacheKey = $this->generateCacheKey($ipAddress, $article, $geoIpPlaces);
        if (true === $this->cacheProvider->contains($cacheKey)) {
            return $this->cacheProvider->fetch($cacheKey);
        }

        $isGranted = $this->geoIpChecker->isGranted($ipAddress, $geoIpPlaces);

        $this->cacheProvider->save($cacheKey, $isGranted);

        return $isGranted;
    }

    private function generateCacheKey(string $ipAddress, ArticleInterface $article, array $geoIpPlaces): string
    {
        return self::CACHE_KEY_GEO_IP.sha1($article->getId().$ipAddress.json_encode($geoIpPlaces, JSON_THROW_ON_ERROR, 512));
    }
}