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107 lines
3.5 KiB
PHP
107 lines
3.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @author 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\DAV\CalDAV;
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use OCA\DAV\Db\PropertyMapper;
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use OCP\Calendar\ICalendar;
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use OCP\Calendar\IManager;
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use OCP\IConfig;
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use Sabre\VObject\Component\VCalendar;
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use Sabre\VObject\Component\VTimeZone;
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use Sabre\VObject\Reader;
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use function array_reduce;
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class TimezoneService {
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public function __construct(private IConfig $config,
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private PropertyMapper $propertyMapper,
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private IManager $calendarManager) {
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}
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public function getUserTimezone(string $userId): ?string {
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$fromConfig = $this->config->getUserValue(
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$userId,
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'core',
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'timezone',
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);
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if ($fromConfig !== '') {
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return $fromConfig;
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}
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$availabilityPropPath = 'calendars/' . $userId . '/inbox';
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$availabilityProp = '{' . Plugin::NS_CALDAV . '}calendar-availability';
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$availabilities = $this->propertyMapper->findPropertyByPathAndName($userId, $availabilityPropPath, $availabilityProp);
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if (!empty($availabilities)) {
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$availability = $availabilities[0]->getPropertyvalue();
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/** @var VCalendar $vCalendar */
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$vCalendar = Reader::read($availability);
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/** @var VTimeZone $vTimezone */
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$vTimezone = $vCalendar->VTIMEZONE;
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// Sabre has a fallback to date_default_timezone_get
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return $vTimezone->getTimeZone()->getName();
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}
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$principal = 'principals/users/' . $userId;
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$uri = $this->config->getUserValue($userId, 'dav', 'defaultCalendar', CalDavBackend::PERSONAL_CALENDAR_URI);
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$calendars = $this->calendarManager->getCalendarsForPrincipal($principal);
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/** @var ?VTimeZone $personalCalendarTimezone */
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$personalCalendarTimezone = array_reduce($calendars, function (?VTimeZone $acc, ICalendar $calendar) use ($uri) {
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if ($acc !== null) {
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return $acc;
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}
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if ($calendar->getUri() === $uri && !$calendar->isDeleted() && $calendar instanceof CalendarImpl) {
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return $calendar->getSchedulingTimezone();
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}
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return null;
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});
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if ($personalCalendarTimezone !== null) {
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return $personalCalendarTimezone->getTimeZone()->getName();
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}
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// No timezone in the personalCalendarTimezone calendar or no personalCalendarTimezone calendar
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// Loop through all calendars until we find a timezone.
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/** @var ?VTimeZone $firstTimezone */
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$firstTimezone = array_reduce($calendars, function (?VTimeZone $acc, ICalendar $calendar) {
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if ($acc !== null) {
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return $acc;
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}
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if (!$calendar->isDeleted() && $calendar instanceof CalendarImpl) {
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return $calendar->getSchedulingTimezone();
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}
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return null;
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});
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if ($firstTimezone !== null) {
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return $firstTimezone->getTimeZone()->getName();
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}
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return null;
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}
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public function getDefaultTimezone(): string {
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return $this->config->getSystemValueString('default_timezone', 'UTC');
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}
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}
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