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1<?php
2/**
3*
4* This file is part of the phpBB Forum Software package.
5*
6* @copyright (c) phpBB Limited <https://www.phpbb.com>
7* @license GNU General Public License, version 2 (GPL-2.0)
8*
9* For full copyright and license information, please see
10* the docs/CREDITS.txt file.
11*
12*/
13
14namespace phpbb\cron\task\core;
15
16/**
17* Prune all forums cron task.
18*
19* It is intended to be invoked from system cron.
20* This task will find all forums for which pruning is enabled, and will
21* prune all forums as necessary.
22*/
23class prune_all_forums extends \phpbb\cron\task\base
24{
25    protected $phpbb_root_path;
26    protected $php_ext;
27    protected $config;
28    protected $db;
29
30    /**
31    * Constructor.
32    *
33    * @param string $phpbb_root_path The root path
34    * @param string $php_ext The PHP file extension
35    * @param \phpbb\config\config $config The config
36    * @param \phpbb\db\driver\driver_interface $db The db connection
37    */
38    public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db)
39    {
40        $this->phpbb_root_path = $phpbb_root_path;
41        $this->php_ext = $php_ext;
42        $this->config = $config;
43        $this->db = $db;
44    }
45
46    /**
47    * Runs this cron task.
48    *
49    * @return void
50    */
51    public function run()
52    {
53        if (!function_exists('auto_prune'))
54        {
55            include($this->phpbb_root_path . 'includes/functions_admin.' . $this->php_ext);
56        }
57
58        $sql = 'SELECT forum_id, prune_next, enable_prune, prune_days, prune_viewed, enable_shadow_prune, prune_shadow_days, prune_shadow_freq, prune_shadow_next, forum_flags, prune_freq
59            FROM ' . FORUMS_TABLE;
60        $result = $this->db->sql_query($sql);
61        while ($row = $this->db->sql_fetchrow($result))
62        {
63            $log_prune = true;
64
65            if ($row['enable_prune'] && $row['prune_next'] < time())
66            {
67                if ($row['prune_days'])
68                {
69                    auto_prune($row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq'], $log_prune);
70                    $log_prune = false;
71                }
72
73                if ($row['prune_viewed'])
74                {
75                    auto_prune($row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq'], $log_prune);
76                    $log_prune = false;
77                }
78            }
79
80            if ($row['enable_shadow_prune'] && $row['prune_shadow_next'] < time() && $row['prune_shadow_days'])
81            {
82                auto_prune($row['forum_id'], 'shadow', $row['forum_flags'], $row['prune_shadow_days'], $row['prune_shadow_freq'], $log_prune);
83            }
84        }
85        $this->db->sql_freeresult($result);
86    }
87
88    /**
89    * Returns whether this cron task can run, given current board configuration.
90    *
91    * This cron task will only run when system cron is utilised.
92    *
93    * @return bool
94    */
95    public function is_runnable()
96    {
97        return (bool) $this->config['use_system_cron'];
98    }
99}