migrate therinaldos.com data

wedding-pics/apps/dav/lib/CalDAV/Activity/Backend.php

@@ -0,0 +1,661 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @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;
+
+use OCA\DAV\CalDAV\Activity\Provider\Calendar;
+use OCA\DAV\CalDAV\Activity\Provider\Event;
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\Activity\IEvent;
+use OCP\Activity\IManager as IActivityManager;
+use OCP\App\IAppManager;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\IUserSession;
+use Sabre\VObject\Reader;
+
+/**
+ * Class Backend
+ *
+ * @package OCA\DAV\CalDAV\Activity
+ */
+class Backend {
+
+	/** @var IActivityManager */
+	protected $activityManager;
+
+	/** @var IGroupManager */
+	protected $groupManager;
+
+	/** @var IUserSession */
+	protected $userSession;
+
+	/** @var IAppManager */
+	protected $appManager;
+
+	/** @var IUserManager */
+	protected $userManager;
+
+	public function __construct(IActivityManager $activityManager, IGroupManager $groupManager, IUserSession $userSession, IAppManager $appManager, IUserManager $userManager) {
+		$this->activityManager = $activityManager;
+		$this->groupManager = $groupManager;
+		$this->userSession = $userSession;
+		$this->appManager = $appManager;
+		$this->userManager = $userManager;
+	}
+
+	/**
+	 * Creates activities when a calendar was creates
+	 *
+	 * @param array $calendarData
+	 */
+	public function onCalendarAdd(array $calendarData) {
+		$this->triggerCalendarActivity(Calendar::SUBJECT_ADD, $calendarData);
+	}
+
+	/**
+	 * Creates activities when a calendar was updated
+	 *
+	 * @param array $calendarData
+	 * @param array $shares
+	 * @param array $properties
+	 */
+	public function onCalendarUpdate(array $calendarData, array $shares, array $properties) {
+		$this->triggerCalendarActivity(Calendar::SUBJECT_UPDATE, $calendarData, $shares, $properties);
+	}
+
+	/**
+	 * Creates activities when a calendar was moved to trash
+	 *
+	 * @param array $calendarData
+	 * @param array $shares
+	 */
+	public function onCalendarMovedToTrash(array $calendarData, array $shares): void {
+		$this->triggerCalendarActivity(Calendar::SUBJECT_MOVE_TO_TRASH, $calendarData, $shares);
+	}
+
+	/**
+	 * Creates activities when a calendar was restored
+	 *
+	 * @param array $calendarData
+	 * @param array $shares
+	 */
+	public function onCalendarRestored(array $calendarData, array $shares): void {
+		$this->triggerCalendarActivity(Calendar::SUBJECT_RESTORE, $calendarData, $shares);
+	}
+
+	/**
+	 * Creates activities when a calendar was deleted
+	 *
+	 * @param array $calendarData
+	 * @param array $shares
+	 */
+	public function onCalendarDelete(array $calendarData, array $shares): void {
+		$this->triggerCalendarActivity(Calendar::SUBJECT_DELETE, $calendarData, $shares);
+	}
+
+	/**
+	 * Creates activities when a calendar was (un)published
+	 *
+	 * @param array $calendarData
+	 * @param bool $publishStatus
+	 */
+	public function onCalendarPublication(array $calendarData, bool $publishStatus): void {
+		$this->triggerCalendarActivity($publishStatus ? Calendar::SUBJECT_PUBLISH : Calendar::SUBJECT_UNPUBLISH, $calendarData);
+	}
+
+	/**
+	 * Creates activities for all related users when a calendar was touched
+	 *
+	 * @param string $action
+	 * @param array $calendarData
+	 * @param array $shares
+	 * @param array $changedProperties
+	 */
+	protected function triggerCalendarActivity($action, array $calendarData, array $shares = [], array $changedProperties = []) {
+		if (!isset($calendarData['principaluri'])) {
+			return;
+		}
+
+		$principal = explode('/', $calendarData['principaluri']);
+		$owner = array_pop($principal);
+
+		$currentUser = $this->userSession->getUser();
+		if ($currentUser instanceof IUser) {
+			$currentUser = $currentUser->getUID();
+		} else {
+			$currentUser = $owner;
+		}
+
+		$event = $this->activityManager->generateEvent();
+		$event->setApp('dav')
+			->setObject('calendar', (int) $calendarData['id'])
+			->setType('calendar')
+			->setAuthor($currentUser);
+
+		$changedVisibleInformation = array_intersect([
+			'{DAV:}displayname',
+			'{http://apple.com/ns/ical/}calendar-color'
+		], array_keys($changedProperties));
+
+		if (empty($shares) || ($action === Calendar::SUBJECT_UPDATE && empty($changedVisibleInformation))) {
+			$users = [$owner];
+		} else {
+			$users = $this->getUsersForShares($shares);
+			$users[] = $owner;
+		}
+
+		foreach ($users as $user) {
+			if ($action === Calendar::SUBJECT_DELETE && !$this->userManager->userExists($user)) {
+				// Avoid creating calendar_delete activities for deleted users
+				continue;
+			}
+
+			$event->setAffectedUser($user)
+				->setSubject(
+					$user === $currentUser ? $action . '_self' : $action,
+					[
+						'actor' => $currentUser,
+						'calendar' => [
+							'id' => (int) $calendarData['id'],
+							'uri' => $calendarData['uri'],
+							'name' => $calendarData['{DAV:}displayname'],
+						],
+					]
+				);
+			$this->activityManager->publish($event);
+		}
+	}
+
+	/**
+	 * Creates activities for all related users when a calendar was (un-)shared
+	 *
+	 * @param array $calendarData
+	 * @param array $shares
+	 * @param array $add
+	 * @param array $remove
+	 */
+	public function onCalendarUpdateShares(array $calendarData, array $shares, array $add, array $remove) {
+		$principal = explode('/', $calendarData['principaluri']);
+		$owner = $principal[2];
+
+		$currentUser = $this->userSession->getUser();
+		if ($currentUser instanceof IUser) {
+			$currentUser = $currentUser->getUID();
+		} else {
+			$currentUser = $owner;
+		}
+
+		$event = $this->activityManager->generateEvent();
+		$event->setApp('dav')
+			->setObject('calendar', (int) $calendarData['id'])
+			->setType('calendar')
+			->setAuthor($currentUser);
+
+		foreach ($remove as $principal) {
+			// principal:principals/users/test
+			$parts = explode(':', $principal, 2);
+			if ($parts[0] !== 'principal') {
+				continue;
+			}
+			$principal = explode('/', $parts[1]);
+
+			if ($principal[1] === 'users') {
+				$this->triggerActivityUser(
+					$principal[2],
+					$event,
+					$calendarData,
+					Calendar::SUBJECT_UNSHARE_USER,
+					Calendar::SUBJECT_DELETE . '_self'
+				);
+
+				if ($owner !== $principal[2]) {
+					$parameters = [
+						'actor' => $event->getAuthor(),
+						'calendar' => [
+							'id' => (int) $calendarData['id'],
+							'uri' => $calendarData['uri'],
+							'name' => $calendarData['{DAV:}displayname'],
+						],
+						'user' => $principal[2],
+					];
+
+					if ($owner === $event->getAuthor()) {
+						$subject = Calendar::SUBJECT_UNSHARE_USER . '_you';
+					} elseif ($principal[2] === $event->getAuthor()) {
+						$subject = Calendar::SUBJECT_UNSHARE_USER . '_self';
+					} else {
+						$event->setAffectedUser($event->getAuthor())
+							->setSubject(Calendar::SUBJECT_UNSHARE_USER . '_you', $parameters);
+						$this->activityManager->publish($event);
+
+						$subject = Calendar::SUBJECT_UNSHARE_USER . '_by';
+					}
+
+					$event->setAffectedUser($owner)
+						->setSubject($subject, $parameters);
+					$this->activityManager->publish($event);
+				}
+			} elseif ($principal[1] === 'groups') {
+				$this->triggerActivityGroup($principal[2], $event, $calendarData, Calendar::SUBJECT_UNSHARE_USER);
+
+				$parameters = [
+					'actor' => $event->getAuthor(),
+					'calendar' => [
+						'id' => (int) $calendarData['id'],
+						'uri' => $calendarData['uri'],
+						'name' => $calendarData['{DAV:}displayname'],
+					],
+					'group' => $principal[2],
+				];
+
+				if ($owner === $event->getAuthor()) {
+					$subject = Calendar::SUBJECT_UNSHARE_GROUP . '_you';
+				} else {
+					$event->setAffectedUser($event->getAuthor())
+						->setSubject(Calendar::SUBJECT_UNSHARE_GROUP . '_you', $parameters);
+					$this->activityManager->publish($event);
+
+					$subject = Calendar::SUBJECT_UNSHARE_GROUP . '_by';
+				}
+
+				$event->setAffectedUser($owner)
+					->setSubject($subject, $parameters);
+				$this->activityManager->publish($event);
+			}
+		}
+
+		foreach ($add as $share) {
+			if ($this->isAlreadyShared($share['href'], $shares)) {
+				continue;
+			}
+
+			// principal:principals/users/test
+			$parts = explode(':', $share['href'], 2);
+			if ($parts[0] !== 'principal') {
+				continue;
+			}
+			$principal = explode('/', $parts[1]);
+
+			if ($principal[1] === 'users') {
+				$this->triggerActivityUser($principal[2], $event, $calendarData, Calendar::SUBJECT_SHARE_USER);
+
+				if ($owner !== $principal[2]) {
+					$parameters = [
+						'actor' => $event->getAuthor(),
+						'calendar' => [
+							'id' => (int) $calendarData['id'],
+							'uri' => $calendarData['uri'],
+							'name' => $calendarData['{DAV:}displayname'],
+						],
+						'user' => $principal[2],
+					];
+
+					if ($owner === $event->getAuthor()) {
+						$subject = Calendar::SUBJECT_SHARE_USER . '_you';
+					} else {
+						$event->setAffectedUser($event->getAuthor())
+							->setSubject(Calendar::SUBJECT_SHARE_USER . '_you', $parameters);
+						$this->activityManager->publish($event);
+
+						$subject = Calendar::SUBJECT_SHARE_USER . '_by';
+					}
+
+					$event->setAffectedUser($owner)
+						->setSubject($subject, $parameters);
+					$this->activityManager->publish($event);
+				}
+			} elseif ($principal[1] === 'groups') {
+				$this->triggerActivityGroup($principal[2], $event, $calendarData, Calendar::SUBJECT_SHARE_USER);
+
+				$parameters = [
+					'actor' => $event->getAuthor(),
+					'calendar' => [
+						'id' => (int) $calendarData['id'],
+						'uri' => $calendarData['uri'],
+						'name' => $calendarData['{DAV:}displayname'],
+					],
+					'group' => $principal[2],
+				];
+
+				if ($owner === $event->getAuthor()) {
+					$subject = Calendar::SUBJECT_SHARE_GROUP . '_you';
+				} else {
+					$event->setAffectedUser($event->getAuthor())
+						->setSubject(Calendar::SUBJECT_SHARE_GROUP . '_you', $parameters);
+					$this->activityManager->publish($event);
+
+					$subject = Calendar::SUBJECT_SHARE_GROUP . '_by';
+				}
+
+				$event->setAffectedUser($owner)
+					->setSubject($subject, $parameters);
+				$this->activityManager->publish($event);
+			}
+		}
+	}
+
+	/**
+	 * Checks if a calendar is already shared with a principal
+	 *
+	 * @param string $principal
+	 * @param array[] $shares
+	 * @return bool
+	 */
+	protected function isAlreadyShared($principal, $shares) {
+		foreach ($shares as $share) {
+			if ($principal === $share['href']) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Creates the given activity for all members of the given group
+	 *
+	 * @param string $gid
+	 * @param IEvent $event
+	 * @param array $properties
+	 * @param string $subject
+	 */
+	protected function triggerActivityGroup($gid, IEvent $event, array $properties, $subject) {
+		$group = $this->groupManager->get($gid);
+
+		if ($group instanceof IGroup) {
+			foreach ($group->getUsers() as $user) {
+				// Exclude current user
+				if ($user->getUID() !== $event->getAuthor()) {
+					$this->triggerActivityUser($user->getUID(), $event, $properties, $subject);
+				}
+			}
+		}
+	}
+
+	/**
+	 * Creates the given activity for the given user
+	 *
+	 * @param string $user
+	 * @param IEvent $event
+	 * @param array $properties
+	 * @param string $subject
+	 * @param string $subjectSelf
+	 */
+	protected function triggerActivityUser($user, IEvent $event, array $properties, $subject, $subjectSelf = '') {
+		$event->setAffectedUser($user)
+			->setSubject(
+				$user === $event->getAuthor() && $subjectSelf ? $subjectSelf : $subject,
+				[
+					'actor' => $event->getAuthor(),
+					'calendar' => [
+						'id' => (int) $properties['id'],
+						'uri' => $properties['uri'],
+						'name' => $properties['{DAV:}displayname'],
+					],
+				]
+			);
+
+		$this->activityManager->publish($event);
+	}
+
+	/**
+	 * Creates activities when a calendar object was created/updated/deleted
+	 *
+	 * @param string $action
+	 * @param array $calendarData
+	 * @param array $shares
+	 * @param array $objectData
+	 */
+	public function onTouchCalendarObject($action, array $calendarData, array $shares, array $objectData) {
+		if (!isset($calendarData['principaluri'])) {
+			return;
+		}
+
+		$principal = explode('/', $calendarData['principaluri']);
+		$owner = array_pop($principal);
+
+		$currentUser = $this->userSession->getUser();
+		if ($currentUser instanceof IUser) {
+			$currentUser = $currentUser->getUID();
+		} else {
+			$currentUser = $owner;
+		}
+
+		$classification = $objectData['classification'] ?? CalDavBackend::CLASSIFICATION_PUBLIC;
+		$object = $this->getObjectNameAndType($objectData);
+
+		if (!$object) {
+			return;
+		}
+
+		$action = $action . '_' . $object['type'];
+
+		if ($object['type'] === 'todo' && str_starts_with($action, Event::SUBJECT_OBJECT_UPDATE) && $object['status'] === 'COMPLETED') {
+			$action .= '_completed';
+		} elseif ($object['type'] === 'todo' && str_starts_with($action, Event::SUBJECT_OBJECT_UPDATE) && $object['status'] === 'NEEDS-ACTION') {
+			$action .= '_needs_action';
+		}
+
+		$event = $this->activityManager->generateEvent();
+		$event->setApp('dav')
+			->setObject('calendar', (int) $calendarData['id'])
+			->setType($object['type'] === 'event' ? 'calendar_event' : 'calendar_todo')
+			->setAuthor($currentUser);
+
+		$users = $this->getUsersForShares($shares);
+		$users[] = $owner;
+
+		// Users for share can return the owner itself if the calendar is published
+		foreach (array_unique($users) as $user) {
+			if ($classification === CalDavBackend::CLASSIFICATION_PRIVATE && $user !== $owner) {
+				// Private events are only shown to the owner
+				continue;
+			}
+
+			$params = [
+				'actor' => $event->getAuthor(),
+				'calendar' => [
+					'id' => (int) $calendarData['id'],
+					'uri' => $calendarData['uri'],
+					'name' => $calendarData['{DAV:}displayname'],
+				],
+				'object' => [
+					'id' => $object['id'],
+					'name' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $owner ? 'Busy' : $object['name'],
+					'classified' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $owner,
+				],
+			];
+
+			if ($object['type'] === 'event' && !str_contains($action, Event::SUBJECT_OBJECT_DELETE) && $this->appManager->isEnabledForUser('calendar')) {
+				$params['object']['link']['object_uri'] = $objectData['uri'];
+				$params['object']['link']['calendar_uri'] = $calendarData['uri'];
+				$params['object']['link']['owner'] = $owner;
+			}
+
+
+			$event->setAffectedUser($user)
+				->setSubject(
+					$user === $currentUser ? $action . '_self' : $action,
+					$params
+				);
+
+			$this->activityManager->publish($event);
+		}
+	}
+
+	/**
+	 * Creates activities when a calendar object was moved
+	 */
+	public function onMovedCalendarObject(array $sourceCalendarData, array $targetCalendarData, array $sourceShares, array $targetShares, array $objectData): void {
+		if (!isset($targetCalendarData['principaluri'])) {
+			return;
+		}
+
+		$sourcePrincipal = explode('/', $sourceCalendarData['principaluri']);
+		$sourceOwner = array_pop($sourcePrincipal);
+
+		$targetPrincipal = explode('/', $targetCalendarData['principaluri']);
+		$targetOwner = array_pop($targetPrincipal);
+
+		if ($sourceOwner !== $targetOwner) {
+			$this->onTouchCalendarObject(
+				Event::SUBJECT_OBJECT_DELETE,
+				$sourceCalendarData,
+				$sourceShares,
+				$objectData
+			);
+			$this->onTouchCalendarObject(
+				Event::SUBJECT_OBJECT_ADD,
+				$targetCalendarData,
+				$targetShares,
+				$objectData
+			);
+			return;
+		}
+
+		$currentUser = $this->userSession->getUser();
+		if ($currentUser instanceof IUser) {
+			$currentUser = $currentUser->getUID();
+		} else {
+			$currentUser = $targetOwner;
+		}
+
+		$classification = $objectData['classification'] ?? CalDavBackend::CLASSIFICATION_PUBLIC;
+		$object = $this->getObjectNameAndType($objectData);
+
+		if (!$object) {
+			return;
+		}
+
+		$event = $this->activityManager->generateEvent();
+		$event->setApp('dav')
+			->setObject('calendar', (int) $targetCalendarData['id'])
+			->setType($object['type'] === 'event' ? 'calendar_event' : 'calendar_todo')
+			->setAuthor($currentUser);
+
+		$users = $this->getUsersForShares(array_intersect($sourceShares, $targetShares));
+		$users[] = $targetOwner;
+
+		// Users for share can return the owner itself if the calendar is published
+		foreach (array_unique($users) as $user) {
+			if ($classification === CalDavBackend::CLASSIFICATION_PRIVATE && $user !== $targetOwner) {
+				// Private events are only shown to the owner
+				continue;
+			}
+
+			$params = [
+				'actor' => $event->getAuthor(),
+				'sourceCalendar' => [
+					'id' => (int) $sourceCalendarData['id'],
+					'uri' => $sourceCalendarData['uri'],
+					'name' => $sourceCalendarData['{DAV:}displayname'],
+				],
+				'targetCalendar' => [
+					'id' => (int) $targetCalendarData['id'],
+					'uri' => $targetCalendarData['uri'],
+					'name' => $targetCalendarData['{DAV:}displayname'],
+				],
+				'object' => [
+					'id' => $object['id'],
+					'name' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $targetOwner ? 'Busy' : $object['name'],
+					'classified' => $classification === CalDavBackend::CLASSIFICATION_CONFIDENTIAL && $user !== $targetOwner,
+				],
+			];
+
+			if ($object['type'] === 'event' && $this->appManager->isEnabledForUser('calendar')) {
+				$params['object']['link']['object_uri'] = $objectData['uri'];
+				$params['object']['link']['calendar_uri'] = $targetCalendarData['uri'];
+				$params['object']['link']['owner'] = $targetOwner;
+			}
+
+			$event->setAffectedUser($user)
+				->setSubject(
+					$user === $currentUser ? Event::SUBJECT_OBJECT_MOVE . '_' . $object['type'] . '_self' : Event::SUBJECT_OBJECT_MOVE . '_' . $object['type'],
+					$params
+				);
+
+			$this->activityManager->publish($event);
+		}
+	}
+
+	/**
+	 * @param array $objectData
+	 * @return string[]|false
+	 */
+	protected function getObjectNameAndType(array $objectData) {
+		$vObject = Reader::read($objectData['calendardata']);
+		$component = $componentType = null;
+		foreach ($vObject->getComponents() as $component) {
+			if (in_array($component->name, ['VEVENT', 'VTODO'])) {
+				$componentType = $component->name;
+				break;
+			}
+		}
+
+		if (!$componentType) {
+			// Calendar objects must have a VEVENT or VTODO component
+			return false;
+		}
+
+		if ($componentType === 'VEVENT') {
+			return ['id' => (string) $component->UID, 'name' => (string) $component->SUMMARY, 'type' => 'event'];
+		}
+		return ['id' => (string) $component->UID, 'name' => (string) $component->SUMMARY, 'type' => 'todo', 'status' => (string) $component->STATUS];
+	}
+
+	/**
+	 * Get all users that have access to a given calendar
+	 *
+	 * @param array $shares
+	 * @return string[]
+	 */
+	protected function getUsersForShares(array $shares) {
+		$users = $groups = [];
+		foreach ($shares as $share) {
+			$principal = explode('/', $share['{http://owncloud.org/ns}principal']);
+			if ($principal[1] === 'users') {
+				$users[] = $principal[2];
+			} elseif ($principal[1] === 'groups') {
+				$groups[] = $principal[2];
+			}
+		}
+
+		if (!empty($groups)) {
+			foreach ($groups as $gid) {
+				$group = $this->groupManager->get($gid);
+				if ($group instanceof IGroup) {
+					foreach ($group->getUsers() as $user) {
+						$users[] = $user->getUID();
+					}
+				}
+			}
+		}
+
+		return array_unique($users);
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Filter/Calendar.php

@@ -0,0 +1,93 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @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\Filter;
+
+use OCP\Activity\IFilter;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+
+class Calendar implements IFilter {
+
+	/** @var IL10N */
+	protected $l;
+
+	/** @var IURLGenerator */
+	protected $url;
+
+	public function __construct(IL10N $l, IURLGenerator $url) {
+		$this->l = $l;
+		$this->url = $url;
+	}
+
+	/**
+	 * @return string Lowercase a-z and underscore only identifier
+	 * @since 11.0.0
+	 */
+	public function getIdentifier() {
+		return 'calendar';
+	}
+
+	/**
+	 * @return string A translated string
+	 * @since 11.0.0
+	 */
+	public function getName() {
+		return $this->l->t('Calendar');
+	}
+
+	/**
+	 * @return int whether the filter should be rather on the top or bottom of
+	 * the admin section. The filters are arranged in ascending order of the
+	 * priority values. It is required to return a value between 0 and 100.
+	 * @since 11.0.0
+	 */
+	public function getPriority() {
+		return 40;
+	}
+
+	/**
+	 * @return string Full URL to an icon, empty string when none is given
+	 * @since 11.0.0
+	 */
+	public function getIcon() {
+		return $this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar.svg'));
+	}
+
+	/**
+	 * @param string[] $types
+	 * @return string[] An array of allowed apps from which activities should be displayed
+	 * @since 11.0.0
+	 */
+	public function filterTypes(array $types) {
+		return array_intersect(['calendar', 'calendar_event'], $types);
+	}
+
+	/**
+	 * @return string[] An array of allowed apps from which activities should be displayed
+	 * @since 11.0.0
+	 */
+	public function allowedApps() {
+		return [];
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Filter/Todo.php

@@ -0,0 +1,92 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Filter;
+
+use OCP\Activity\IFilter;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+
+class Todo implements IFilter {
+
+	/** @var IL10N */
+	protected $l;
+
+	/** @var IURLGenerator */
+	protected $url;
+
+	public function __construct(IL10N $l, IURLGenerator $url) {
+		$this->l = $l;
+		$this->url = $url;
+	}
+
+	/**
+	 * @return string Lowercase a-z and underscore only identifier
+	 * @since 11.0.0
+	 */
+	public function getIdentifier() {
+		return 'calendar_todo';
+	}
+
+	/**
+	 * @return string A translated string
+	 * @since 11.0.0
+	 */
+	public function getName() {
+		return $this->l->t('To-dos');
+	}
+
+	/**
+	 * @return int whether the filter should be rather on the top or bottom of
+	 * the admin section. The filters are arranged in ascending order of the
+	 * priority values. It is required to return a value between 0 and 100.
+	 * @since 11.0.0
+	 */
+	public function getPriority() {
+		return 40;
+	}
+
+	/**
+	 * @return string Full URL to an icon, empty string when none is given
+	 * @since 11.0.0
+	 */
+	public function getIcon() {
+		return $this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/checkmark.svg'));
+	}
+
+	/**
+	 * @param string[] $types
+	 * @return string[] An array of allowed apps from which activities should be displayed
+	 * @since 11.0.0
+	 */
+	public function filterTypes(array $types) {
+		return array_intersect(['calendar_todo'], $types);
+	}
+
+	/**
+	 * @return string[] An array of allowed apps from which activities should be displayed
+	 * @since 11.0.0
+	 */
+	public function allowedApps() {
+		return [];
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Provider/Base.php

@@ -0,0 +1,133 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @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 OCA\DAV\CalDAV\CalDavBackend;
+use OCP\Activity\IEvent;
+use OCP\Activity\IProvider;
+use OCP\IGroup;
+use OCP\IGroupManager;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+use OCP\IUserManager;
+
+abstract class Base implements IProvider {
+	/** @var IUserManager */
+	protected $userManager;
+
+	/** @var IGroupManager */
+	protected $groupManager;
+
+	/** @var string[] */
+	protected $groupDisplayNames = [];
+
+	/** @var IURLGenerator */
+	protected $url;
+
+	/**
+	 * @param IUserManager $userManager
+	 * @param IGroupManager $groupManager
+	 * @param IURLGenerator $urlGenerator
+	 */
+	public function __construct(IUserManager $userManager, IGroupManager $groupManager, IURLGenerator $urlGenerator) {
+		$this->userManager = $userManager;
+		$this->groupManager = $groupManager;
+		$this->url = $urlGenerator;
+	}
+
+	protected function setSubjects(IEvent $event, string $subject, array $parameters): void {
+		$event->setRichSubject($subject, $parameters);
+	}
+
+	/**
+	 * @param array $data
+	 * @param IL10N $l
+	 * @return array
+	 */
+	protected function generateCalendarParameter($data, IL10N $l) {
+		if ($data['uri'] === CalDavBackend::PERSONAL_CALENDAR_URI &&
+			$data['name'] === CalDavBackend::PERSONAL_CALENDAR_NAME) {
+			return [
+				'type' => 'calendar',
+				'id' => $data['id'],
+				'name' => $l->t('Personal'),
+			];
+		}
+
+		return [
+			'type' => 'calendar',
+			'id' => $data['id'],
+			'name' => $data['name'],
+		];
+	}
+
+	/**
+	 * @param int $id
+	 * @param string $name
+	 * @return array
+	 */
+	protected function generateLegacyCalendarParameter($id, $name) {
+		return [
+			'type' => 'calendar',
+			'id' => $id,
+			'name' => $name,
+		];
+	}
+
+	protected function generateUserParameter(string $uid): array {
+		return [
+			'type' => 'user',
+			'id' => $uid,
+			'name' => $this->userManager->getDisplayName($uid) ?? $uid,
+		];
+	}
+
+	/**
+	 * @param string $gid
+	 * @return array
+	 */
+	protected function generateGroupParameter($gid) {
+		if (!isset($this->groupDisplayNames[$gid])) {
+			$this->groupDisplayNames[$gid] = $this->getGroupDisplayName($gid);
+		}
+
+		return [
+			'type' => 'user-group',
+			'id' => $gid,
+			'name' => $this->groupDisplayNames[$gid],
+		];
+	}
+
+	/**
+	 * @param string $gid
+	 * @return string
+	 */
+	protected function getGroupDisplayName($gid) {
+		$group = $this->groupManager->get($gid);
+		if ($group instanceof IGroup) {
+			return $group->getDisplayName();
+		}
+		return $gid;
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php

@@ -0,0 +1,277 @@
+<?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_MOVE_TO_TRASH = 'calendar_move_to_trash';
+	public const SUBJECT_RESTORE = 'calendar_restore';
+	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_MOVE_TO_TRASH) {
+			$subject = $this->l->t('{actor} deleted calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_MOVE_TO_TRASH . '_self') {
+			$subject = $this->l->t('You deleted calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_RESTORE) {
+			$subject = $this->l->t('{actor} restored calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_RESTORE . '_self') {
+			$subject = $this->l->t('You restored calendar {calendar}');
+		} elseif ($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_MOVE_TO_TRASH:
+				case self::SUBJECT_MOVE_TO_TRASH . '_self':
+				case self::SUBJECT_RESTORE:
+				case self::SUBJECT_RESTORE . '_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' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+				];
+			case self::SUBJECT_SHARE_USER . '_you':
+			case self::SUBJECT_UNSHARE_USER . '_you':
+				return [
+					'user' => $this->generateUserParameter($parameters[0]),
+					'calendar' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+				];
+			case self::SUBJECT_SHARE_USER . '_by':
+			case self::SUBJECT_UNSHARE_USER . '_by':
+				return [
+					'user' => $this->generateUserParameter($parameters[0]),
+					'calendar' => $this->generateLegacyCalendarParameter($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' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+				];
+			case self::SUBJECT_SHARE_GROUP . '_by':
+			case self::SUBJECT_UNSHARE_GROUP . '_by':
+				return [
+					'group' => $this->generateGroupParameter($parameters[0]),
+					'calendar' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+					'actor' => $this->generateUserParameter($parameters[2]),
+				];
+		}
+
+		throw new \InvalidArgumentException();
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Provider/Event.php

@@ -0,0 +1,257 @@
+<?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 OC_App;
+use OCP\Activity\IEvent;
+use OCP\Activity\IEventMerger;
+use OCP\Activity\IManager;
+use OCP\App\IAppManager;
+use OCP\IGroupManager;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+use OCP\IUserManager;
+use OCP\L10N\IFactory;
+
+class Event extends Base {
+	public const SUBJECT_OBJECT_ADD = 'object_add';
+	public const SUBJECT_OBJECT_UPDATE = 'object_update';
+	public const SUBJECT_OBJECT_MOVE = 'object_move';
+	public const SUBJECT_OBJECT_MOVE_TO_TRASH = 'object_move_to_trash';
+	public const SUBJECT_OBJECT_RESTORE = 'object_restore';
+	public const SUBJECT_OBJECT_DELETE = 'object_delete';
+
+	/** @var IFactory */
+	protected $languageFactory;
+
+	/** @var IL10N */
+	protected $l;
+
+	/** @var IManager */
+	protected $activityManager;
+
+	/** @var IEventMerger */
+	protected $eventMerger;
+
+	/** @var IAppManager */
+	protected $appManager;
+
+	/**
+	 * @param IFactory $languageFactory
+	 * @param IURLGenerator $url
+	 * @param IManager $activityManager
+	 * @param IUserManager $userManager
+	 * @param IGroupManager $groupManager
+	 * @param IEventMerger $eventMerger
+	 * @param IAppManager $appManager
+	 */
+	public function __construct(IFactory $languageFactory, IURLGenerator $url, IManager $activityManager, IUserManager $userManager, IGroupManager $groupManager, IEventMerger $eventMerger, IAppManager $appManager) {
+		parent::__construct($userManager, $groupManager, $url);
+		$this->languageFactory = $languageFactory;
+		$this->activityManager = $activityManager;
+		$this->eventMerger = $eventMerger;
+		$this->appManager = $appManager;
+	}
+
+	/**
+	 * @param array $eventData
+	 * @return array
+	 */
+	protected function generateObjectParameter(array $eventData) {
+		if (!isset($eventData['id']) || !isset($eventData['name'])) {
+			throw new \InvalidArgumentException();
+		}
+
+		$params = [
+			'type' => 'calendar-event',
+			'id' => $eventData['id'],
+			'name' => trim($eventData['name']) !== '' ? $eventData['name'] : $this->l->t('Untitled event'),
+		];
+
+		if (isset($eventData['link']) && is_array($eventData['link']) && $this->appManager->isEnabledForUser('calendar')) {
+			try {
+				// The calendar app needs to be manually loaded for the routes to be loaded
+				OC_App::loadApp('calendar');
+				$linkData = $eventData['link'];
+				$objectId = base64_encode($this->url->getWebroot() . '/remote.php/dav/calendars/' . $linkData['owner'] . '/' . $linkData['calendar_uri'] . '/' . $linkData['object_uri']);
+				$link = [
+					'view' => 'dayGridMonth',
+					'timeRange' => 'now',
+					'mode' => 'sidebar',
+					'objectId' => $objectId,
+					'recurrenceId' => 'next'
+				];
+				$params['link'] = $this->url->linkToRouteAbsolute('calendar.view.indexview.timerange.edit', $link);
+			} catch (\Exception $error) {
+				// Do nothing
+			}
+		}
+		return $params;
+	}
+
+	/**
+	 * @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_event') {
+			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_OBJECT_ADD . '_event') {
+			$subject = $this->l->t('{actor} created event {event} in calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_ADD . '_event_self') {
+			$subject = $this->l->t('You created event {event} in calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_DELETE . '_event') {
+			$subject = $this->l->t('{actor} deleted event {event} from calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_DELETE . '_event_self') {
+			$subject = $this->l->t('You deleted event {event} from calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_event') {
+			$subject = $this->l->t('{actor} updated event {event} in calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_event_self') {
+			$subject = $this->l->t('You updated event {event} in calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_MOVE . '_event') {
+			$subject = $this->l->t('{actor} moved event {event} from calendar {sourceCalendar} to calendar {targetCalendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_MOVE . '_event_self') {
+			$subject = $this->l->t('You moved event {event} from calendar {sourceCalendar} to calendar {targetCalendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_MOVE_TO_TRASH . '_event') {
+			$subject = $this->l->t('{actor} deleted event {event} from calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_MOVE_TO_TRASH . '_event_self') {
+			$subject = $this->l->t('You deleted event {event} from calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_RESTORE . '_event') {
+			$subject = $this->l->t('{actor} restored event {event} of calendar {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_RESTORE . '_event_self') {
+			$subject = $this->l->t('You restored event {event} of calendar {calendar}');
+		} else {
+			throw new \InvalidArgumentException();
+		}
+
+		$parsedParameters = $this->getParameters($event);
+		$this->setSubjects($event, $subject, $parsedParameters);
+
+		$event = $this->eventMerger->mergeEvents('event', $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_OBJECT_ADD . '_event':
+				case self::SUBJECT_OBJECT_DELETE . '_event':
+				case self::SUBJECT_OBJECT_UPDATE . '_event':
+				case self::SUBJECT_OBJECT_MOVE_TO_TRASH . '_event':
+				case self::SUBJECT_OBJECT_RESTORE . '_event':
+					return [
+						'actor' => $this->generateUserParameter($parameters['actor']),
+						'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
+						'event' => $this->generateClassifiedObjectParameter($parameters['object']),
+					];
+				case self::SUBJECT_OBJECT_ADD . '_event_self':
+				case self::SUBJECT_OBJECT_DELETE . '_event_self':
+				case self::SUBJECT_OBJECT_UPDATE . '_event_self':
+				case self::SUBJECT_OBJECT_MOVE_TO_TRASH . '_event_self':
+				case self::SUBJECT_OBJECT_RESTORE . '_event_self':
+					return [
+						'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
+						'event' => $this->generateClassifiedObjectParameter($parameters['object']),
+					];
+			}
+		}
+
+		if (isset($parameters['sourceCalendar']) && isset($parameters['targetCalendar'])) {
+			switch ($subject) {
+				case self::SUBJECT_OBJECT_MOVE . '_event':
+					return [
+						'actor' => $this->generateUserParameter($parameters['actor']),
+						'sourceCalendar' => $this->generateCalendarParameter($parameters['sourceCalendar'], $this->l),
+						'targetCalendar' => $this->generateCalendarParameter($parameters['targetCalendar'], $this->l),
+						'event' => $this->generateClassifiedObjectParameter($parameters['object']),
+					];
+				case self::SUBJECT_OBJECT_MOVE . '_event_self':
+					return [
+						'sourceCalendar' => $this->generateCalendarParameter($parameters['sourceCalendar'], $this->l),
+						'targetCalendar' => $this->generateCalendarParameter($parameters['targetCalendar'], $this->l),
+						'event' => $this->generateClassifiedObjectParameter($parameters['object']),
+					];
+			}
+		}
+
+		// 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_OBJECT_ADD . '_event':
+			case self::SUBJECT_OBJECT_DELETE . '_event':
+			case self::SUBJECT_OBJECT_UPDATE . '_event':
+				return [
+					'actor' => $this->generateUserParameter($parameters[0]),
+					'calendar' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+					'event' => $this->generateObjectParameter($parameters[2]),
+				];
+			case self::SUBJECT_OBJECT_ADD . '_event_self':
+			case self::SUBJECT_OBJECT_DELETE . '_event_self':
+			case self::SUBJECT_OBJECT_UPDATE . '_event_self':
+				return [
+					'calendar' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+					'event' => $this->generateObjectParameter($parameters[2]),
+				];
+		}
+
+		throw new \InvalidArgumentException();
+	}
+
+	private function generateClassifiedObjectParameter(array $eventData) {
+		$parameter = $this->generateObjectParameter($eventData);
+		if (!empty($eventData['classified'])) {
+			$parameter['name'] = $this->l->t('Busy');
+		}
+		return $parameter;
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Provider/Todo.php

@@ -0,0 +1,168 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ *
+ * @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;
+
+class Todo extends Event {
+
+	/**
+	 * @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_todo') {
+			throw new \InvalidArgumentException();
+		}
+
+		$this->l = $this->languageFactory->get('dav', $language);
+
+		if ($this->activityManager->getRequirePNG()) {
+			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/checkmark.png')));
+		} else {
+			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/checkmark.svg')));
+		}
+
+		if ($event->getSubject() === self::SUBJECT_OBJECT_ADD . '_todo') {
+			$subject = $this->l->t('{actor} created to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_ADD . '_todo_self') {
+			$subject = $this->l->t('You created to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_DELETE . '_todo') {
+			$subject = $this->l->t('{actor} deleted to-do {todo} from list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_DELETE . '_todo_self') {
+			$subject = $this->l->t('You deleted to-do {todo} from list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_todo') {
+			$subject = $this->l->t('{actor} updated to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_todo_self') {
+			$subject = $this->l->t('You updated to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_todo_completed') {
+			$subject = $this->l->t('{actor} solved to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_todo_completed_self') {
+			$subject = $this->l->t('You solved to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_todo_needs_action') {
+			$subject = $this->l->t('{actor} reopened to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_UPDATE . '_todo_needs_action_self') {
+			$subject = $this->l->t('You reopened to-do {todo} in list {calendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_MOVE . '_todo') {
+			$subject = $this->l->t('{actor} moved to-do {todo} from list {sourceCalendar} to list {targetCalendar}');
+		} elseif ($event->getSubject() === self::SUBJECT_OBJECT_MOVE . '_todo_self') {
+			$subject = $this->l->t('You moved to-do {todo} from list {sourceCalendar} to list {targetCalendar}');
+		} else {
+			throw new \InvalidArgumentException();
+		}
+
+		$parsedParameters = $this->getParameters($event);
+		$this->setSubjects($event, $subject, $parsedParameters);
+
+		$event = $this->eventMerger->mergeEvents('todo', $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_OBJECT_ADD . '_todo':
+				case self::SUBJECT_OBJECT_DELETE . '_todo':
+				case self::SUBJECT_OBJECT_UPDATE . '_todo':
+				case self::SUBJECT_OBJECT_UPDATE . '_todo_completed':
+				case self::SUBJECT_OBJECT_UPDATE . '_todo_needs_action':
+					return [
+						'actor' => $this->generateUserParameter($parameters['actor']),
+						'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
+						'todo' => $this->generateObjectParameter($parameters['object']),
+					];
+				case self::SUBJECT_OBJECT_ADD . '_todo_self':
+				case self::SUBJECT_OBJECT_DELETE . '_todo_self':
+				case self::SUBJECT_OBJECT_UPDATE . '_todo_self':
+				case self::SUBJECT_OBJECT_UPDATE . '_todo_completed_self':
+				case self::SUBJECT_OBJECT_UPDATE . '_todo_needs_action_self':
+					return [
+						'calendar' => $this->generateCalendarParameter($parameters['calendar'], $this->l),
+						'todo' => $this->generateObjectParameter($parameters['object']),
+					];
+			}
+		}
+
+		if (isset($parameters['sourceCalendar']) && isset($parameters['targetCalendar'])) {
+			switch ($subject) {
+				case self::SUBJECT_OBJECT_MOVE . '_todo':
+					return [
+						'actor' => $this->generateUserParameter($parameters['actor']),
+						'sourceCalendar' => $this->generateCalendarParameter($parameters['sourceCalendar'], $this->l),
+						'targetCalendar' => $this->generateCalendarParameter($parameters['targetCalendar'], $this->l),
+						'todo' => $this->generateObjectParameter($parameters['object']),
+					];
+				case self::SUBJECT_OBJECT_MOVE . '_todo_self':
+					return [
+						'sourceCalendar' => $this->generateCalendarParameter($parameters['sourceCalendar'], $this->l),
+						'targetCalendar' => $this->generateCalendarParameter($parameters['targetCalendar'], $this->l),
+						'todo' => $this->generateObjectParameter($parameters['object']),
+					];
+			}
+		}
+
+		// 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_OBJECT_ADD . '_todo':
+			case self::SUBJECT_OBJECT_DELETE . '_todo':
+			case self::SUBJECT_OBJECT_UPDATE . '_todo':
+			case self::SUBJECT_OBJECT_UPDATE . '_todo_completed':
+			case self::SUBJECT_OBJECT_UPDATE . '_todo_needs_action':
+				return [
+					'actor' => $this->generateUserParameter($parameters[0]),
+					'calendar' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+					'todo' => $this->generateObjectParameter($parameters[2]),
+				];
+			case self::SUBJECT_OBJECT_ADD . '_todo_self':
+			case self::SUBJECT_OBJECT_DELETE . '_todo_self':
+			case self::SUBJECT_OBJECT_UPDATE . '_todo_self':
+			case self::SUBJECT_OBJECT_UPDATE . '_todo_completed_self':
+			case self::SUBJECT_OBJECT_UPDATE . '_todo_needs_action_self':
+				return [
+					'calendar' => $this->generateLegacyCalendarParameter($event->getObjectId(), $parameters[1]),
+					'todo' => $this->generateObjectParameter($parameters[2]),
+				];
+		}
+
+		throw new \InvalidArgumentException();
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Setting/CalDAVSetting.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Robin Appelman <robin@icewind.nl>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Robin Appelman <robin@icewind.nl>
+ *
+ * @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\Setting;
+
+use OCP\Activity\ActivitySettings;
+use OCP\IL10N;
+
+abstract class CalDAVSetting extends ActivitySettings {
+	/** @var IL10N */
+	protected $l;
+
+	/**
+	 * @param IL10N $l
+	 */
+	public function __construct(IL10N $l) {
+		$this->l = $l;
+	}
+
+	public function getGroupIdentifier() {
+		return 'calendar';
+	}
+
+	public function getGroupName() {
+		return $this->l->t('Calendar, contacts and tasks');
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Setting/Calendar.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Robin Appelman <robin@icewind.nl>
+ *
+ * @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\Setting;
+
+class Calendar extends CalDAVSetting {
+	/**
+	 * @return string Lowercase a-z and underscore only identifier
+	 * @since 11.0.0
+	 */
+	public function getIdentifier() {
+		return 'calendar';
+	}
+
+	/**
+	 * @return string A translated string
+	 * @since 11.0.0
+	 */
+	public function getName() {
+		return $this->l->t('A <strong>calendar</strong> was modified');
+	}
+
+	/**
+	 * @return int whether the filter should be rather on the top or bottom of
+	 * the admin section. The filters are arranged in ascending order of the
+	 * priority values. It is required to return a value between 0 and 100.
+	 * @since 11.0.0
+	 */
+	public function getPriority() {
+		return 50;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function canChangeStream() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function isDefaultEnabledStream() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the mail
+	 * @since 11.0.0
+	 */
+	public function canChangeMail() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function isDefaultEnabledMail() {
+		return false;
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Setting/Event.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Robin Appelman <robin@icewind.nl>
+ *
+ * @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\Setting;
+
+class Event extends CalDAVSetting {
+	/**
+	 * @return string Lowercase a-z and underscore only identifier
+	 * @since 11.0.0
+	 */
+	public function getIdentifier() {
+		return 'calendar_event';
+	}
+
+	/**
+	 * @return string A translated string
+	 * @since 11.0.0
+	 */
+	public function getName() {
+		return $this->l->t('A calendar <strong>event</strong> was modified');
+	}
+
+	/**
+	 * @return int whether the filter should be rather on the top or bottom of
+	 * the admin section. The filters are arranged in ascending order of the
+	 * priority values. It is required to return a value between 0 and 100.
+	 * @since 11.0.0
+	 */
+	public function getPriority() {
+		return 50;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function canChangeStream() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function isDefaultEnabledStream() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the mail
+	 * @since 11.0.0
+	 */
+	public function canChangeMail() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function isDefaultEnabledMail() {
+		return false;
+	}
+}

wedding-pics/apps/dav/lib/CalDAV/Activity/Setting/Todo.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Robin Appelman <robin@icewind.nl>
+ *
+ * @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\Setting;
+
+class Todo extends CalDAVSetting {
+
+	/**
+	 * @return string Lowercase a-z and underscore only identifier
+	 * @since 11.0.0
+	 */
+	public function getIdentifier() {
+		return 'calendar_todo';
+	}
+
+	/**
+	 * @return string A translated string
+	 * @since 11.0.0
+	 */
+	public function getName() {
+		return $this->l->t('A calendar <strong>to-do</strong> was modified');
+	}
+
+	/**
+	 * @return int whether the filter should be rather on the top or bottom of
+	 * the admin section. The filters are arranged in ascending order of the
+	 * priority values. It is required to return a value between 0 and 100.
+	 * @since 11.0.0
+	 */
+	public function getPriority() {
+		return 50;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function canChangeStream() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function isDefaultEnabledStream() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the mail
+	 * @since 11.0.0
+	 */
+	public function canChangeMail() {
+		return true;
+	}
+
+	/**
+	 * @return bool True when the option can be changed for the stream
+	 * @since 11.0.0
+	 */
+	public function isDefaultEnabledMail() {
+		return false;
+	}
+}