plugins/SEO/Metric/ProviderCache.php


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Plugins\SEO\Metric;

use Piwik\Cache;

/**
 * Caches another provider.
 */
class ProviderCache implements MetricsProvider
{
    /**
     * @var MetricsProvider
     */
    private $provider;

    /**
     * @var Cache\Lazy
     */
    private $cache;

    public function __construct(MetricsProvider $provider)
    {
        $this->provider = $provider;
        $this->cache = Cache::getLazyCache();
    }

    public function getMetrics($domain)
    {
        $cacheId = 'SEO_getRank_' . md5($domain);

        $metrics = $this->cache->fetch($cacheId);

        if (! is_array($metrics)) {
            $metrics = $this->provider->getMetrics($domain);

            $this->cache->save($cacheId, $metrics, 60 * 60 * 6);
        }

        return $metrics;
    }
}