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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 | |
14 | namespace phpbb\db\migration\data\v310; |
15 | |
16 | class timezone extends \phpbb\db\migration\migration |
17 | { |
18 | public function effectively_installed() |
19 | { |
20 | return !$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_dst'); |
21 | } |
22 | |
23 | public static function depends_on() |
24 | { |
25 | return array('\phpbb\db\migration\data\v30x\release_3_0_11'); |
26 | } |
27 | |
28 | public function update_schema() |
29 | { |
30 | return array( |
31 | 'change_columns' => array( |
32 | $this->table_prefix . 'users' => array( |
33 | 'user_timezone' => array('VCHAR:100', ''), |
34 | ), |
35 | ), |
36 | ); |
37 | } |
38 | |
39 | public function update_data() |
40 | { |
41 | return array( |
42 | array('custom', array(array($this, 'update_timezones'))), |
43 | ); |
44 | } |
45 | |
46 | public function update_timezones($start) |
47 | { |
48 | $start = (int) $start; |
49 | $limit = 500; |
50 | $converted = 0; |
51 | |
52 | $update_blocks = array(); |
53 | |
54 | $sql = 'SELECT user_id, user_timezone, user_dst |
55 | FROM ' . $this->table_prefix . 'users |
56 | ORDER BY user_id ASC'; |
57 | $result = $this->db->sql_query_limit($sql, $limit, $start); |
58 | while ($row = $this->db->sql_fetchrow($result)) |
59 | { |
60 | $converted++; |
61 | |
62 | // In case this is somehow run twice on a row. |
63 | // Otherwise it would just end up as UTC on the second run |
64 | if (is_numeric($row['user_timezone'])) |
65 | { |
66 | $update_blocks[$row['user_timezone'] . ':' . $row['user_dst']][] = (int) $row['user_id']; |
67 | } |
68 | } |
69 | $this->db->sql_freeresult($result); |
70 | |
71 | // Update blocks of users who share the same timezone/dst |
72 | foreach ($update_blocks as $timezone => $user_ids) |
73 | { |
74 | $timezone = explode(':', $timezone); |
75 | $converted_timezone = static::convert_phpbb30_timezone($timezone[0], $timezone[1]); |
76 | |
77 | $sql = 'UPDATE ' . $this->table_prefix . "users |
78 | SET user_timezone = '" . $this->db->sql_escape($converted_timezone) . "' |
79 | WHERE " . $this->db->sql_in_set('user_id', $user_ids); |
80 | $this->sql_query($sql); |
81 | } |
82 | |
83 | if ($converted == $limit) |
84 | { |
85 | // There are still more to convert |
86 | return $start + $limit; |
87 | } |
88 | |
89 | // Update board default timezone |
90 | $sql = 'UPDATE ' . $this->table_prefix . "config |
91 | SET config_value = '" . static::convert_phpbb30_timezone($this->config['board_timezone'], $this->config['board_dst']) . "' |
92 | WHERE config_name = 'board_timezone'"; |
93 | $this->sql_query($sql); |
94 | } |
95 | |
96 | /** |
97 | * Determine the new timezone for a given phpBB 3.0 timezone and |
98 | * "Daylight Saving Time" option |
99 | * |
100 | * @param $timezone float Users timezone in 3.0 |
101 | * @param $dst int Users daylight saving time |
102 | * @return string Users new php Timezone which is used since 3.1 |
103 | */ |
104 | public static function convert_phpbb30_timezone($timezone, $dst) |
105 | { |
106 | $offset = (float) $timezone + (int) $dst; |
107 | |
108 | switch ($timezone) |
109 | { |
110 | case '-12': |
111 | return 'Etc/GMT+' . abs($offset); //'[UTC - 12] Baker Island Time' |
112 | case '-11': |
113 | return 'Etc/GMT+' . abs($offset); //'[UTC - 11] Niue Time, Samoa Standard Time' |
114 | case '-10': |
115 | return 'Etc/GMT+' . abs($offset); //'[UTC - 10] Hawaii-Aleutian Standard Time, Cook Island Time' |
116 | case '-9.5': |
117 | return 'Pacific/Marquesas'; //'[UTC - 9:30] Marquesas Islands Time' |
118 | case '-9': |
119 | return 'Etc/GMT+' . abs($offset); //'[UTC - 9] Alaska Standard Time, Gambier Island Time' |
120 | case '-8': |
121 | return 'Etc/GMT+' . abs($offset); //'[UTC - 8] Pacific Standard Time' |
122 | case '-7': |
123 | return 'Etc/GMT+' . abs($offset); //'[UTC - 7] Mountain Standard Time' |
124 | case '-6': |
125 | return 'Etc/GMT+' . abs($offset); //'[UTC - 6] Central Standard Time' |
126 | case '-5': |
127 | return 'Etc/GMT+' . abs($offset); //'[UTC - 5] Eastern Standard Time' |
128 | case '-4.5': |
129 | return 'America/Caracas'; //'[UTC - 4:30] Venezuelan Standard Time' |
130 | case '-4': |
131 | return 'Etc/GMT+' . abs($offset); //'[UTC - 4] Atlantic Standard Time' |
132 | case '-3.5': |
133 | return 'America/St_Johns'; //'[UTC - 3:30] Newfoundland Standard Time' |
134 | case '-3': |
135 | return 'Etc/GMT+' . abs($offset); //'[UTC - 3] Amazon Standard Time, Central Greenland Time' |
136 | case '-2': |
137 | return 'Etc/GMT+' . abs($offset); //'[UTC - 2] Fernando de Noronha Time, South Georgia & the South Sandwich Islands Time' |
138 | case '-1': |
139 | return 'Etc/GMT+' . abs($offset); //'[UTC - 1] Azores Standard Time, Cape Verde Time, Eastern Greenland Time' |
140 | case '0': |
141 | return (!$dst) ? 'UTC' : 'Etc/GMT-1'; //'[UTC] Western European Time, Greenwich Mean Time' |
142 | case '1': |
143 | return 'Etc/GMT-' . $offset; //'[UTC + 1] Central European Time, West African Time' |
144 | case '2': |
145 | return 'Etc/GMT-' . $offset; //'[UTC + 2] Eastern European Time, Central African Time' |
146 | case '3': |
147 | return 'Etc/GMT-' . $offset; //'[UTC + 3] Moscow Standard Time, Eastern African Time' |
148 | case '3.5': |
149 | return 'Asia/Tehran'; //'[UTC + 3:30] Iran Standard Time' |
150 | case '4': |
151 | return 'Etc/GMT-' . $offset; //'[UTC + 4] Gulf Standard Time, Samara Standard Time' |
152 | case '4.5': |
153 | return 'Asia/Kabul'; //'[UTC + 4:30] Afghanistan Time' |
154 | case '5': |
155 | return 'Etc/GMT-' . $offset; //'[UTC + 5] Pakistan Standard Time, Yekaterinburg Standard Time' |
156 | case '5.5': |
157 | return 'Asia/Kolkata'; //'[UTC + 5:30] Indian Standard Time, Sri Lanka Time' |
158 | case '5.75': |
159 | return 'Asia/Kathmandu'; //'[UTC + 5:45] Nepal Time' |
160 | case '6': |
161 | return 'Etc/GMT-' . $offset; //'[UTC + 6] Bangladesh Time, Bhutan Time, Novosibirsk Standard Time' |
162 | case '6.5': |
163 | return 'Indian/Cocos'; //'[UTC + 6:30] Cocos Islands Time, Myanmar Time' |
164 | case '7': |
165 | return 'Etc/GMT-' . $offset; //'[UTC + 7] Indochina Time, Krasnoyarsk Standard Time' |
166 | case '8': |
167 | return 'Etc/GMT-' . $offset; //'[UTC + 8] Chinese Standard Time, Australian Western Standard Time, Irkutsk Standard Time' |
168 | case '8.75': |
169 | return 'Australia/Eucla'; //'[UTC + 8:45] Southeastern Western Australia Standard Time' |
170 | case '9': |
171 | return 'Etc/GMT-' . $offset; //'[UTC + 9] Japan Standard Time, Korea Standard Time, Chita Standard Time' |
172 | case '9.5': |
173 | return 'Australia/ACT'; //'[UTC + 9:30] Australian Central Standard Time' |
174 | case '10': |
175 | return 'Etc/GMT-' . $offset; //'[UTC + 10] Australian Eastern Standard Time, Vladivostok Standard Time' |
176 | case '10.5': |
177 | return 'Australia/Lord_Howe'; //'[UTC + 10:30] Lord Howe Standard Time' |
178 | case '11': |
179 | return 'Etc/GMT-' . $offset; //'[UTC + 11] Solomon Island Time, Magadan Standard Time' |
180 | case '11.5': |
181 | return 'Pacific/Norfolk'; //'[UTC + 11:30] Norfolk Island Time' |
182 | case '12': |
183 | return 'Etc/GMT-12'; //'[UTC + 12] New Zealand Time, Fiji Time, Kamchatka Standard Time' |
184 | case '12.75': |
185 | return 'Pacific/Chatham'; //'[UTC + 12:45] Chatham Islands Time' |
186 | case '13': |
187 | return 'Pacific/Tongatapu'; //'[UTC + 13] Tonga Time, Phoenix Islands Time' |
188 | case '14': |
189 | return 'Pacific/Kiritimati'; //'[UTC + 14] Line Island Time' |
190 | default: |
191 | return 'UTC'; |
192 | } |
193 | } |
194 | } |