Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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timezone.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\db\migration\data\v310;
015
016 class timezone extends \phpbb\db\migration\migration
017 {
018 public function effectively_installed()
019 {
020 return !$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_dst');
021 }
022
023 static public function depends_on()
024 {
025 return array('\phpbb\db\migration\data\v30x\release_3_0_11');
026 }
027
028 public function update_schema()
029 {
030 return array(
031 'change_columns' => array(
032 $this->table_prefix . 'users' => array(
033 'user_timezone' => array('VCHAR:100', ''),
034 ),
035 ),
036 );
037 }
038
039 public function update_data()
040 {
041 return array(
042 array('custom', array(array($this, 'update_timezones'))),
043 );
044 }
045
046 public function update_timezones($start)
047 {
048 $start = (int) $start;
049 $limit = 500;
050 $converted = 0;
051
052 $update_blocks = array();
053
054 $sql = 'SELECT user_id, user_timezone, user_dst
055 FROM ' . $this->table_prefix . 'users
056 ORDER BY user_id ASC';
057 $result = $this->db->sql_query_limit($sql, $limit, $start);
058 while ($row = $this->db->sql_fetchrow($result))
059 {
060 $converted++;
061
062 // In case this is somehow run twice on a row.
063 // Otherwise it would just end up as UTC on the second run
064 if (is_numeric($row['user_timezone']))
065 {
066 $update_blocks[$row['user_timezone'] . ':' . $row['user_dst']][] = (int) $row['user_id'];
067 }
068 }
069 $this->db->sql_freeresult($result);
070
071 // Update blocks of users who share the same timezone/dst
072 foreach ($update_blocks as $timezone => $user_ids)
073 {
074 $timezone = explode(':', $timezone);
075 $converted_timezone = $this->convert_phpbb30_timezone($timezone[0], $timezone[1]);
076
077 $sql = 'UPDATE ' . $this->table_prefix . "users
078 SET user_timezone = '" . $this->db->sql_escape($converted_timezone) . "'
079 WHERE " . $this->db->sql_in_set('user_id', $user_ids);
080 $this->sql_query($sql);
081 }
082
083 if ($converted == $limit)
084 {
085 // There are still more to convert
086 return $start + $limit;
087 }
088
089 // Update board default timezone
090 $sql = 'UPDATE ' . $this->table_prefix . "config
091 SET config_value = '" . $this->convert_phpbb30_timezone($this->config['board_timezone'], $this->config['board_dst']) . "'
092 WHERE config_name = 'board_timezone'";
093 $this->sql_query($sql);
094 }
095
096 /**
097 * Determine the new timezone for a given phpBB 3.0 timezone and
098 * "Daylight Saving Time" option
099 *
100 * @param $timezone float Users timezone in 3.0
101 * @param $dst int Users daylight saving time
102 * @return string Users new php Timezone which is used since 3.1
103 */
104 public function convert_phpbb30_timezone($timezone, $dst)
105 {
106 $offset = $timezone + $dst;
107
108 switch ($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 }
195