diff options
Diffstat (limited to 'phpBB/phpbb/db/migration/data/v310/timezone.php')
| -rw-r--r-- | phpBB/phpbb/db/migration/data/v310/timezone.php | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/phpBB/phpbb/db/migration/data/v310/timezone.php b/phpBB/phpbb/db/migration/data/v310/timezone.php new file mode 100644 index 0000000000..1f6b47ad50 --- /dev/null +++ b/phpBB/phpbb/db/migration/data/v310/timezone.php @@ -0,0 +1,194 @@ +<?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 = $timezone + $dst; + + switch ($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'; + } + } +} |