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52 lines
2.0 KiB
52 lines
2.0 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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use Tiki\Installer\Installer;
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/**
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* Tracker field date-only JsCalendar and DateTime fields store 12am GMT time of the dates as of Tiki 24.
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* Previous Tiki versions used the 12am date in user-configured timezone to store the date.
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* This conversion script ensures we migrate the currently stored timestamps to correct 12am GMT times.
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* Since we don't know what each user's timezone was at the time of timestamp storage, we use the closest
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* possible 12am GMT time. E.g. 12am GMT+8 needs substracting 8 hours while 12am GMT-5 needs adding 5 hours.
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* For the extremely rare GMT+13/14 timezone case, we will end up with a date shift but this seems unavoidable.
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*
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* @param Installer $installer
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*
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* @return bool
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*/
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function upgrade_20211126_timezone_date_update_tiki(Installer $installer): bool
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{
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$date_fields = [];
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$result = $installer->query("SELECT fieldId, options FROM tiki_tracker_fields WHERE type in ('j', 'f')");
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while ($row = $result->fetchRow()) {
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$options = json_decode($row['options']);
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if ($options && isset($options->datetime) && $options->datetime == 'd') {
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$date_fields[] = $row['fieldId'];
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}
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}
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if (! $date_fields) {
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return true;
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}
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$old_tz = date_default_timezone_get();
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date_default_timezone_set('UTC');
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$result = $installer->query("SELECT * FROM tiki_tracker_item_fields WHERE fieldId IN (".implode(',', $date_fields).")");
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while ($row = $result->fetchRow()) {
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if (empty($row['value'])) {
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continue;
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}
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$timestamp = \TikiDate::shiftToNearestGMT($row['value']);
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$installer->query("UPDATE tiki_tracker_item_fields SET value = ? WHERE itemId = ? and fieldId = ?", [$timestamp, $row['itemId'], $row['fieldId']]);
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}
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date_default_timezone_set($old_tz);
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return true;
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}
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