nextcloud/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php

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<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Julius Härtl <jus@bitgrid.net>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Thomas Citharel <nextcloud@tcit.fr>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DAV\CalDAV\Activity\Provider;
use OCP\Activity\IEvent;
use OCP\Activity\IEventMerger;
use OCP\Activity\IManager;
use OCP\IGroupManager;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUserManager;
use OCP\L10N\IFactory;
class Calendar extends Base {
public const SUBJECT_ADD = 'calendar_add';
public const SUBJECT_UPDATE = 'calendar_update';
public const SUBJECT_DELETE = 'calendar_delete';
public const SUBJECT_PUBLISH = 'calendar_publish';
public const SUBJECT_UNPUBLISH = 'calendar_unpublish';
public const SUBJECT_SHARE_USER = 'calendar_user_share';
public const SUBJECT_SHARE_GROUP = 'calendar_group_share';
public const SUBJECT_UNSHARE_USER = 'calendar_user_unshare';
public const SUBJECT_UNSHARE_GROUP = 'calendar_group_unshare';
/** @var IFactory */
protected $languageFactory;
/** @var IL10N */
protected $l;
/** @var IManager */
protected $activityManager;
/** @var IEventMerger */
protected $eventMerger;
/**
* @param IFactory $languageFactory
* @param IURLGenerator $url
* @param IManager $activityManager
* @param IUserManager $userManager
* @param IGroupManager $groupManager
* @param IEventMerger $eventMerger
*/
public function __construct(IFactory $languageFactory, IURLGenerator $url, IManager $activityManager, IUserManager $userManager, IGroupManager $groupManager, IEventMerger $eventMerger) {
parent::__construct($userManager, $groupManager, $url);
$this->languageFactory = $languageFactory;
$this->activityManager = $activityManager;
$this->eventMerger = $eventMerger;
}
/**
* @param string $language
* @param IEvent $event
* @param IEvent|null $previousEvent
* @return IEvent
* @throws \InvalidArgumentException
* @since 11.0.0
*/
public function parse($language, IEvent $event, IEvent $previousEvent = null) {
if ($event->getApp() !== 'dav' || $event->getType() !== 'calendar') {
throw new \InvalidArgumentException();
}
$this->l = $this->languageFactory->get('dav', $language);
if ($this->activityManager->getRequirePNG()) {
$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar-dark.png')));
} else {
$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar.svg')));
}
if ($event->getSubject() === self::SUBJECT_ADD) {
$subject = $this->l->t('{actor} created calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_ADD . '_self') {
$subject = $this->l->t('You created calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_DELETE) {
$subject = $this->l->t('{actor} deleted calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_DELETE . '_self') {
$subject = $this->l->t('You deleted calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_UPDATE) {
$subject = $this->l->t('{actor} updated calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_UPDATE . '_self') {
$subject = $this->l->t('You updated calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_PUBLISH . '_self') {
$subject = $this->l->t('You shared calendar {calendar} as public link');
} elseif ($event->getSubject() === self::SUBJECT_UNPUBLISH . '_self') {
$subject = $this->l->t('You removed public link for calendar {calendar}');
} elseif ($event->getSubject() === self::SUBJECT_SHARE_USER) {
$subject = $this->l->t('{actor} shared calendar {calendar} with you');
} elseif ($event->getSubject() === self::SUBJECT_SHARE_USER . '_you') {
$subject = $this->l->t('You shared calendar {calendar} with {user}');
} elseif ($event->getSubject() === self::SUBJECT_SHARE_USER . '_by') {
$subject = $this->l->t('{actor} shared calendar {calendar} with {user}');
} elseif ($event->getSubject() === self::SUBJECT_UNSHARE_USER) {
$subject = $this->l->t('{actor} unshared calendar {calendar} from you');
} elseif ($event->getSubject() === self::SUBJECT_UNSHARE_USER . '_you') {
$subject = $this->l->t('You unshared calendar {calendar} from {user}');
} elseif ($event->getSubject() === self::SUBJECT_UNSHARE_USER . '_by') {
$subject = $this->l->t('{actor} unshared calendar {calendar} from {user}');
} elseif ($event->getSubject() === self::SUBJECT_UNSHARE_USER . '_self') {
$subject = $this->l->t('{actor} unshared calendar {calendar} from themselves');
} elseif ($event->getSubject() === self::SUBJECT_SHARE_GROUP . '_you') {
$subject = $this->l->t('You shared calendar {calendar} with group {group}');
} elseif ($event->getSubject() === self::SUBJECT_SHARE_GROUP . '_by') {
$subject = $this->l->t('{actor} shared calendar {calendar} with group {group}');
} elseif ($event->getSubject() === self::SUBJECT_UNSHARE_GROUP . '_you') {
$subject = $this->l->t('You unshared calendar {calendar} from group {group}');
} elseif ($event->getSubject() === self::SUBJECT_UNSHARE_GROUP . '_by') {
$subject = $this->l->t('{actor} unshared calendar {calendar} from group {group}');
} else {
throw new \InvalidArgumentException();
}
$parsedParameters = $this->getParameters($event);
$this->setSubjects($event, $subject, $parsedParameters);
$event = $this->eventMerger->mergeEvents('calendar', $event, $previousEvent);
if ($event->getChildEvent() === null) {
if (isset($parsedParameters['user'])) {
// Couldn't group by calendar, maybe we can group by users
$event = $this->eventMerger->mergeEvents('user', $event, $previousEvent);
} elseif (isset($parsedParameters['group'])) {
// Couldn't group by calendar, maybe we can group by groups
$event = $this->eventMerger->mergeEvents('group', $event, $previousEvent);
}
}
return $event;
}
/**
* @param IEvent $event
* @return array
*/
protected function getParameters(IEvent $event) {
$subject = $event->getSubject();
$parameters = $event->getSubjectParameters();
// Nextcloud 13+
if (isset($parameters['calendar'])) {
switch ($subject) {
case self::SUBJECT_ADD:
case self::SUBJECT_ADD . '_self':
case self::SUBJECT_DELETE:
case self::SUBJECT_DELETE . '_self':
case self::SUBJECT_UPDATE:
case self::SUBJECT_UPDATE . '_self':
case self::SUBJECT_PUBLISH . '_self':
case self::SUBJECT_UNPUBLISH . '_self':
case self::SUBJECT_SHARE_USER:
case self::SUBJECT_UNSHARE_USER:
case self::SUBJECT_UNSHARE_USER . '_self':
return [
'actor' => $this->generateUserParameter($parameters['actor']),
'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
];
case self::SUBJECT_SHARE_USER . '_you':
case self::SUBJECT_UNSHARE_USER . '_you':
return [
'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
'user' => $this->generateUserParameter($parameters['user']),
];
case self::SUBJECT_SHARE_USER . '_by':
case self::SUBJECT_UNSHARE_USER . '_by':
return [
'actor' => $this->generateUserParameter($parameters['actor']),
'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
'user' => $this->generateUserParameter($parameters['user']),
];
case self::SUBJECT_SHARE_GROUP . '_you':
case self::SUBJECT_UNSHARE_GROUP . '_you':
return [
'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
'group' => $this->generateGroupParameter($parameters['group']),
];
case self::SUBJECT_SHARE_GROUP . '_by':
case self::SUBJECT_UNSHARE_GROUP . '_by':
return [
'actor' => $this->generateUserParameter($parameters['actor']),
'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
'group' => $this->generateGroupParameter($parameters['group']),
];
}
}
// Legacy - Do NOT Remove unless necessary
// Removing this will break parsing of activities that were created on
// Nextcloud 12, so we should keep this as long as it's acceptable.
// Otherwise if people upgrade over multiple releases in a short period,
// they will get the dead entries in their stream.
switch ($subject) {
case self::SUBJECT_ADD:
case self::SUBJECT_ADD . '_self':
case self::SUBJECT_DELETE:
case self::SUBJECT_DELETE . '_self':
case self::SUBJECT_UPDATE:
case self::SUBJECT_UPDATE . '_self':
case self::SUBJECT_PUBLISH . '_self':
case self::SUBJECT_UNPUBLISH . '_self':
case self::SUBJECT_SHARE_USER:
case self::SUBJECT_UNSHARE_USER:
case self::SUBJECT_UNSHARE_USER . '_self':
return [
'actor' => $this->generateUserParameter($parameters[0]),
'calendar' => $this->generateLegacyCalendarParameter((int)$event->getObjectId(), $parameters[1]),
];
case self::SUBJECT_SHARE_USER . '_you':
case self::SUBJECT_UNSHARE_USER . '_you':
return [
'user' => $this->generateUserParameter($parameters[0]),
'calendar' => $this->generateLegacyCalendarParameter((int)$event->getObjectId(), $parameters[1]),
];
case self::SUBJECT_SHARE_USER . '_by':
case self::SUBJECT_UNSHARE_USER . '_by':
return [
'user' => $this->generateUserParameter($parameters[0]),
'calendar' => $this->generateLegacyCalendarParameter((int)$event->getObjectId(), $parameters[1]),
'actor' => $this->generateUserParameter($parameters[2]),
];
case self::SUBJECT_SHARE_GROUP . '_you':
case self::SUBJECT_UNSHARE_GROUP . '_you':
return [
'group' => $this->generateGroupParameter($parameters[0]),
'calendar' => $this->generateLegacyCalendarParameter((int)$event->getObjectId(), $parameters[1]),
];
case self::SUBJECT_SHARE_GROUP . '_by':
case self::SUBJECT_UNSHARE_GROUP . '_by':
return [
'group' => $this->generateGroupParameter($parameters[0]),
'calendar' => $this->generateLegacyCalendarParameter((int)$event->getObjectId(), $parameters[1]),
'actor' => $this->generateUserParameter($parameters[2]),
];
}
throw new \InvalidArgumentException();
}
}