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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @license GNU General Public License, version 2 (GPL-2.0) | |
| * | |
| * For full copyright and license information, please see | |
| * the docs/CREDITS.txt file. | |
| * | |
| */ | |
| namespace phpbb\db\migration\data\v310; | |
| class timezone extends \phpbb\db\migration\migration | |
| { | |
| public function effectively_installed() | |
| { | |
| return !$this->db_tools->sql_column_exists($this->table_prefix . 'users', 'user_dst'); | |
| } | |
| static public function depends_on() | |
| { | |
| return array('\phpbb\db\migration\data\v30x\release_3_0_11'); | |
| } | |
| public function update_schema() | |
| { | |
| return array( | |
| 'change_columns' => array( | |
| $this->table_prefix . 'users' => array( | |
| 'user_timezone' => array('VCHAR:100', ''), | |
| ), | |
| ), | |
| ); | |
| } | |
| public function update_data() | |
| { | |
| return array( | |
| array('custom', array(array($this, 'update_timezones'))), | |
| ); | |
| } | |
| public function update_timezones($start) | |
| { | |
| $start = (int) $start; | |
| $limit = 500; | |
| $converted = 0; | |
| $update_blocks = array(); | |
| $sql = 'SELECT user_id, user_timezone, user_dst | |
| FROM ' . $this->table_prefix . 'users | |
| ORDER BY user_id ASC'; | |
| $result = $this->db->sql_query_limit($sql, $limit, $start); | |
| while ($row = $this->db->sql_fetchrow($result)) | |
| { | |
| $converted++; | |
| // In case this is somehow run twice on a row. | |
| // Otherwise it would just end up as UTC on the second run | |
| if (is_numeric($row['user_timezone'])) | |
| { | |
| $update_blocks[$row['user_timezone'] . ':' . $row['user_dst']][] = (int) $row['user_id']; | |
| } | |
| } | |
| $this->db->sql_freeresult($result); | |
| // Update blocks of users who share the same timezone/dst | |
| foreach ($update_blocks as $timezone => $user_ids) | |
| { | |
| $timezone = explode(':', $timezone); | |
| $converted_timezone = $this->convert_phpbb30_timezone($timezone[0], $timezone[1]); | |
| $sql = 'UPDATE ' . $this->table_prefix . "users | |
| SET user_timezone = '" . $this->db->sql_escape($converted_timezone) . "' | |
| WHERE " . $this->db->sql_in_set('user_id', $user_ids); | |
| $this->sql_query($sql); | |
| } | |
| if ($converted == $limit) | |
| { | |
| // There are still more to convert | |
| return $start + $limit; | |
| } | |
| // Update board default timezone | |
| $sql = 'UPDATE ' . $this->table_prefix . "config | |
| SET config_value = '" . $this->convert_phpbb30_timezone($this->config['board_timezone'], $this->config['board_dst']) . "' | |
| WHERE config_name = 'board_timezone'"; | |
| $this->sql_query($sql); | |
| } | |
| /** | |
| * Determine the new timezone for a given phpBB 3.0 timezone and | |
| * "Daylight Saving Time" option | |
| * | |
| * @param $timezone float Users timezone in 3.0 | |
| * @param $dst int Users daylight saving time | |
| * @return string Users new php Timezone which is used since 3.1 | |
| */ | |
| public function convert_phpbb30_timezone($timezone, $dst) | |
| { | |
| $offset = (float) $timezone + (int) $dst; | |
| switch ($timezone) | |
| { | |
| case '-12': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 12] Baker Island Time' | |
| case '-11': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 11] Niue Time, Samoa Standard Time' | |
| case '-10': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 10] Hawaii-Aleutian Standard Time, Cook Island Time' | |
| case '-9.5': | |
| return 'Pacific/Marquesas'; //'[UTC - 9:30] Marquesas Islands Time' | |
| case '-9': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 9] Alaska Standard Time, Gambier Island Time' | |
| case '-8': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 8] Pacific Standard Time' | |
| case '-7': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 7] Mountain Standard Time' | |
| case '-6': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 6] Central Standard Time' | |
| case '-5': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 5] Eastern Standard Time' | |
| case '-4.5': | |
| return 'America/Caracas'; //'[UTC - 4:30] Venezuelan Standard Time' | |
| case '-4': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 4] Atlantic Standard Time' | |
| case '-3.5': | |
| return 'America/St_Johns'; //'[UTC - 3:30] Newfoundland Standard Time' | |
| case '-3': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 3] Amazon Standard Time, Central Greenland Time' | |
| case '-2': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 2] Fernando de Noronha Time, South Georgia & the South Sandwich Islands Time' | |
| case '-1': | |
| return 'Etc/GMT+' . abs($offset); //'[UTC - 1] Azores Standard Time, Cape Verde Time, Eastern Greenland Time' | |
| case '0': | |
| return (!$dst) ? 'UTC' : 'Etc/GMT-1'; //'[UTC] Western European Time, Greenwich Mean Time' | |
| case '1': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 1] Central European Time, West African Time' | |
| case '2': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 2] Eastern European Time, Central African Time' | |
| case '3': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 3] Moscow Standard Time, Eastern African Time' | |
| case '3.5': | |
| return 'Asia/Tehran'; //'[UTC + 3:30] Iran Standard Time' | |
| case '4': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 4] Gulf Standard Time, Samara Standard Time' | |
| case '4.5': | |
| return 'Asia/Kabul'; //'[UTC + 4:30] Afghanistan Time' | |
| case '5': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 5] Pakistan Standard Time, Yekaterinburg Standard Time' | |
| case '5.5': | |
| return 'Asia/Kolkata'; //'[UTC + 5:30] Indian Standard Time, Sri Lanka Time' | |
| case '5.75': | |
| return 'Asia/Kathmandu'; //'[UTC + 5:45] Nepal Time' | |
| case '6': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 6] Bangladesh Time, Bhutan Time, Novosibirsk Standard Time' | |
| case '6.5': | |
| return 'Indian/Cocos'; //'[UTC + 6:30] Cocos Islands Time, Myanmar Time' | |
| case '7': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 7] Indochina Time, Krasnoyarsk Standard Time' | |
| case '8': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 8] Chinese Standard Time, Australian Western Standard Time, Irkutsk Standard Time' | |
| case '8.75': | |
| return 'Australia/Eucla'; //'[UTC + 8:45] Southeastern Western Australia Standard Time' | |
| case '9': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 9] Japan Standard Time, Korea Standard Time, Chita Standard Time' | |
| case '9.5': | |
| return 'Australia/ACT'; //'[UTC + 9:30] Australian Central Standard Time' | |
| case '10': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 10] Australian Eastern Standard Time, Vladivostok Standard Time' | |
| case '10.5': | |
| return 'Australia/Lord_Howe'; //'[UTC + 10:30] Lord Howe Standard Time' | |
| case '11': | |
| return 'Etc/GMT-' . $offset; //'[UTC + 11] Solomon Island Time, Magadan Standard Time' | |
| case '11.5': | |
| return 'Pacific/Norfolk'; //'[UTC + 11:30] Norfolk Island Time' | |
| case '12': | |
| return 'Etc/GMT-12'; //'[UTC + 12] New Zealand Time, Fiji Time, Kamchatka Standard Time' | |
| case '12.75': | |
| return 'Pacific/Chatham'; //'[UTC + 12:45] Chatham Islands Time' | |
| case '13': | |
| return 'Pacific/Tongatapu'; //'[UTC + 13] Tonga Time, Phoenix Islands Time' | |
| case '14': | |
| return 'Pacific/Kiritimati'; //'[UTC + 14] Line Island Time' | |
| default: | |
| return 'UTC'; | |
| } | |
| } | |
| } |