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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
<?php
class MC4WP_Update_Optin {
/**
* @const string
*/
const CAPABILITY = 'install_plugins';
/**
* @var string
*/
protected $plugin_file = '';
/**
* @var string
*/
protected $to_version;
/**
* @var string
*/
protected $view_file;
/**
* @var string
*/
protected $option_enable;
/**
* @var string
*/
protected $option_notice;
/**
* @var bool
*/
protected $active = false;
/**
* @param string $to_version
* @param string $plugin_file
* @param string $view_file
*/
public function __construct( $to_version, $plugin_file, $view_file ) {
$this->to_version = $to_version;
$this->plugin_file = $plugin_file;
$this->view_file = $view_file;
$this->option_enable = 'mc4wp_enable_' . sanitize_key( $this->to_version );
$this->option_notice = 'mc4wp_notice_' . sanitize_key( $this->to_version );
}
/**
* Add hooks
*/
public function add_hooks() {
add_filter( 'pre_set_site_transient_update_plugins', array( $this, 'maybe_hide_update' ) );
add_action( 'init', array( $this, 'listen' ) );
global $pagenow;
$on_settings_page = isset( $_GET['page'] ) && stristr( $_GET['page'], dirname( $this->plugin_file ) ) !== false;
if ( $pagenow === 'plugins.php' || $pagenow === 'update-core.php' || $on_settings_page ) {
add_action( 'admin_notices', array( $this, 'show_update_optin' ) );
}
}
/**
* Listen for actions
*/
public function listen() {
// only show to users with required capability
if ( ! current_user_can( self::CAPABILITY ) ) {
return;
}
if ( isset( $_GET[ $this->option_enable ] ) ) {
$this->enable_major_updates();
}
}
/**
* Prevents updates from showing
*
* @param array $data
* @return array
*/
public function maybe_hide_update( $data ) {
if ( empty( $data->response ) ) {
return $data;
}
// do nothing if the specified version is not out there yet..
if ( empty( $data->response[ $this->plugin_file ]->new_version )
|| version_compare( $data->response[ $this->plugin_file ]->new_version, $this->to_version, '<' ) ) {
// reset flags here in case we revert the update
if ( ! $this->active ) {
delete_option( $this->option_notice );
delete_option( $this->option_enable );
}
return $data;
}
// return unmodified data if already opted-in
$opted_in = get_option( $this->option_enable, false );
if ( $opted_in ) {
return $data;
}
// set a flag to start showing "update to x.x" notice
update_option( $this->option_notice, 1 );
// unset update data
unset( $data->response[ $this->plugin_file ] );
// set flag because this filter runs multiple times..
$this->active = true;
return $data;
}
/**
* Enables major updates (opts-in to 3.x update)
*/
public function enable_major_updates() {
// update option
update_option( $this->option_enable, 1 );
// delete site transient so wp core will fetch latest version
delete_site_transient( 'update_plugins' );
// redirect to updates page
wp_safe_redirect( admin_url( 'update-core.php' ) );
exit;
}
/**
* Shows update opt-in
*/
public function show_update_optin() {
if ( ! $this->should_show_update_optin() ) {
return;
}
// prepare link URL
$update_link = add_query_arg( array( $this->option_enable => 1 ) );
// show!
include $this->view_file;
}
/**
* @return bool
*/
public function should_show_update_optin() {
// don't show if flag is not set
if ( ! get_option( $this->option_notice, false ) ) {
return false;
}
// stop showing if opted-in already
if ( get_option( $this->option_enable, false ) ) {
return false;
}
// only show to users with required capability
if ( ! current_user_can( self::CAPABILITY ) ) {
return false;
}
return true;
}
}
|