xref: /webtrees/app/Factories/CacheFactory.php (revision 30e63383b10bafff54347985dcdbd10c40c33f62) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Factories;
21
22use Fisharebest\Webtrees\Cache;
23use Fisharebest\Webtrees\Contracts\CacheFactoryInterface;
24use Fisharebest\Webtrees\Webtrees;
25use Symfony\Component\Cache\Adapter\ArrayAdapter;
26use Symfony\Component\Cache\Adapter\FilesystemAdapter;
27
28use function random_int;
29
30/**
31 * Make a cache.
32 */
33class CacheFactory implements CacheFactoryInterface
34{
35    // How frequently to perform garbage collection.
36    private const GC_PROBABILITY = 1000;
37
38    // Filesystem cache parameters.
39    private const FILES_TTL = 8640000;
40    private const FILES_DIR = Webtrees::DATA_DIR . 'cache/';
41
42    private ArrayAdapter $array_adapter;
43
44    private FilesystemAdapter $filesystem_adapter;
45
46    /**
47     * CacheFactory constructor.
48     */
49    public function __construct()
50    {
51        $this->array_adapter      = new ArrayAdapter(0, false);
52        $this->filesystem_adapter = new FilesystemAdapter('', self::FILES_TTL, self::FILES_DIR);
53    }
54
55    /**
56     * Create an array-based cache.
57     *
58     * @return Cache
59     */
60    public function array(): Cache
61    {
62        return new Cache($this->array_adapter);
63    }
64
65    /**
66     * Create an file-based cache.
67     *
68     * @return Cache
69     */
70    public function file(): Cache
71    {
72        return new Cache($this->filesystem_adapter);
73    }
74
75    /**
76     * Perform garbage collection.
77     */
78    public function __destruct()
79    {
80        if (random_int(1, self::GC_PROBABILITY) === 1) {
81            $this->filesystem_adapter->prune();
82        }
83    }
84}
85