eZ\Publish\Core\MVC\Symfony\Cache\Http\FOSPurgeClient

Complexity

Total Complexity

8

Size/Duplication

Total Lines	42
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	__destruct()	0	4	1
B	purge()	0	19	5
A	purgeAll()	0	4	1

<?php

/**
 * File containing the FOSClient class.
 *
 * @copyright Copyright (C) eZ Systems AS. All rights reserved.
 * @license For full copyright and license information view LICENSE file distributed with this source code.
 */
namespace eZ\Publish\Core\MVC\Symfony\Cache\Http;

use eZ\Publish\Core\MVC\Symfony\Cache\PurgeClientInterface;
use eZ\Publish\Core\MVC\Symfony\Cache\TagAwarePurgeClientInterface;
use FOS\HttpCacheBundle\CacheManager;

/**
 * Purge client based on FOSHttpCacheBundle.
 *
 * Only support BAN requests on purpose, to be able to invalidate cache for a
 * collection of Location/Content objects.
 */
class FOSPurgeClient implements PurgeClientInterface
{
    /**
     * @var CacheManager
     */
    private $cacheManager;

    public function __construct(CacheManager $cacheManager)
    {
        $this->cacheManager = $cacheManager;
    }

    public function __destruct()
    {
        $this->cacheManager->flush();
    }

    public function purge($tags)
    {
        if (empty($tags)) {
            return;
        }

        // As xkey only support one tag (key) being invalidated at a time, we loop.
        // These will be queued by FOS\HttpCache\ProxyClient\Varnish and handled on kernel.terminate.
        foreach (array_unique((array)$tags) as $tag) {
            if (is_numeric($tag)) {
                $tag = 'location-' . $tag;
            }

            $this->cacheManager->invalidatePath(
                '/',
                ['xkey' => $tag, 'Host' => empty($_SERVER['SERVER_NAME']) ? 'localhost' : $_SERVER['SERVER_NAME']]
            );
        }
    }

    public function purgeAll()
    {
        $this->cacheManager->invalidate(['xkey' => '.*']);
    }
}