Uninstaller.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 1.3.1

matomo / classes / WpMatomo / Uninstaller.php

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Uninstaller.php

150 lines

1	<?php
2	/**
3	* Matomo - free/libre analytics platform
4	*
5	* @link https://matomo.org
6	* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
7	* @package matomo
8	*/
9
10	namespace WpMatomo;
11
12	use WpMatomo\Admin\Dashboard;
13
14	if ( ! defined( 'ABSPATH' ) ) {
15	exit; // if accessed directly
16	}
17
18	class Uninstaller {
19
20	/**
21	* @var Logger
22	*/
23	private $logger;
24
25	public function __construct() {
26	$this->logger = self::make_logger();
27	}
28
29	private static function make_logger() {
30	return new Logger();
31	}
32
33	public function uninstall( $should_remove_all_data ) {
34	if ( function_exists( 'is_multisite' ) && is_multisite() ) {
35	$this->uninstall_multisite( $should_remove_all_data );
36	} else {
37	$this->uninstall_blog( $should_remove_all_data );
38	}
39
40	do_action( 'matomo_uninstall', $should_remove_all_data );
41	}
42
43	public function uninstall_blog( $should_remove_all_data ) {
44	$this->logger->log( 'Matomo is now uninstalling blogId ' . get_current_blog_id() );
45
46	$settings = new Settings();
47
48	$tasks = new ScheduledTasks( $settings );
49	$tasks->uninstall();
50
51	$roles = new Roles( $settings );
52	$roles->uninstall();
53
54	$dashboard = new Dashboard();
55	$dashboard->uninstall();
56
57	$paths = new Paths();
58
59	if ( $should_remove_all_data ) {
60	$this->logger->log( 'Matomo is forced to remove all data' );
61
62	$settings->uninstall();
63
64	$this->drop_tables();
65
66	$site = new Site();
67	$site->uninstall();
68
69	$site = new User();
70	$site->uninstall();
71
72	$paths->uninstall();
73	} else {
74	$paths->clear_cache_dir();
75	}
76
77	do_action( 'matomo_uninstall_blog', $should_remove_all_data );
78
79	$this->logger->log( 'Matomo has finished uninstalling ' . get_current_blog_id() );
80	}
81
82	public static function uninstall_options( $prefix ) {
83	global $wpdb;
84
85	self::make_logger()->log( 'Removing options with prefix ' . $prefix );
86	$wpdb->query( "DELETE FROM $wpdb->options WHERE option_name LIKE '" . $prefix . "%';" );
87
88	wp_cache_flush();
89	}
90
91	public static function uninstall_site_meta( $prefix ) {
92	global $wpdb;
93
94	if ( ! empty( $wpdb->sitemeta ) ) {
95	// multisite
96	self::make_logger()->log( 'Removing sitemeta with prefix ' . $prefix );
97	$wpdb->query( "DELETE FROM $wpdb->sitemeta WHERE meta_key LIKE '" . $prefix . "%';" );
98
99	wp_cache_flush();
100	}
101
102	// not multisite
103	self::uninstall_options( $prefix );
104	}
105
106	public static function uninstall_user_meta( $prefix ) {
107	global $wpdb;
108
109	if ( ! empty( $wpdb->usermeta ) ) {
110	self::make_logger()->log( 'Removing usermeta with prefix ' . $prefix );
111	$wpdb->query( "DELETE FROM $wpdb->usermeta WHERE meta_key LIKE '" . $prefix . "%';" );
112
113	wp_cache_flush();
114	}
115	}
116
117	public function uninstall_multisite( $should_remove_all_data ) {
118	global $wpdb;
119
120	$this->logger->log( 'Matomo is now uninstalling all blogs: ' . (int) $should_remove_all_data );
121
122	$blogs = $wpdb->get_results( 'SELECT blog_id FROM ' . $wpdb->blogs . ' ORDER BY blog_id', ARRAY_A );
123
124	if ( is_array( $blogs ) ) {
125	foreach ( $blogs as $blog ) {
126	switch_to_blog( $blog['blog_id'] );
127
128	$this->uninstall_blog( $should_remove_all_data );
129
130	restore_current_blog();
131	}
132	}
133	}
134
135	private function drop_tables() {
136	global $wpdb;
137
138	$db_settings = new \WpMatomo\Db\Settings();
139	$installed_tables = $db_settings->get_installed_matomo_tables();
140	$this->logger->log( sprintf( 'Matomo will now drop %s matomo tables', count( $installed_tables ) ) );
141
142	foreach ( $installed_tables as $table_name ) {
143	// temporary table are used in tests and just making sure they are being removed
144	// $wpdb->query( "DROP TEMPORARY TABLE IF EXISTS `$tableName`" );
145	// two spaces between drop and table so it won't be replaced in WP tests
146	$wpdb->query( "DROP TABLE IF EXISTS `$table_name`" );
147	}
148	}
149	}
150