293 lines
8.0 KiB
PHP
293 lines
8.0 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCP\Comments;
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use OCP\IUser;
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/**
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* Interface ICommentsManager
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*
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* This class manages the access to comments
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*
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* @package OCP\Comments
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* @since 9.0.0
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*/
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interface ICommentsManager {
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/**
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* @const DELETED_USER type and id for a user that has been deleted
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* @see deleteReferencesOfActor
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* @since 9.0.0
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*
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* To be used as replacement for user type actors in deleteReferencesOfActor().
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*
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* User interfaces shall show "Deleted user" as display name, if needed.
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*/
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const DELETED_USER = 'deleted_users';
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/**
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* returns a comment instance
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*
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* @param string $id the ID of the comment
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* @return IComment
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* @throws NotFoundException
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* @since 9.0.0
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*/
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public function get($id);
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/**
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* returns the comment specified by the id and all it's child comments
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*
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* @param string $id
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* @param int $limit max number of entries to return, 0 returns all
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* @param int $offset the start entry
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* @return array
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* @since 9.0.0
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*
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* The return array looks like this
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* [
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* 'comment' => IComment, // root comment
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* 'replies' =>
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* [
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* 0 =>
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* [
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* 'comment' => IComment,
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* 'replies' =>
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* [
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* 0 =>
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* [
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* 'comment' => IComment,
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* 'replies' => [ … ]
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* ],
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* …
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* ]
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* ]
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* 1 =>
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* [
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* 'comment' => IComment,
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* 'replies'=> [ … ]
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* ],
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* …
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* ]
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* ]
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*/
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public function getTree($id, $limit = 0, $offset = 0);
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/**
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* returns comments for a specific object (e.g. a file).
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*
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* The sort order is always newest to oldest.
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*
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* @param string $objectType the object type, e.g. 'files'
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* @param string $objectId the id of the object
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* @param int $limit optional, number of maximum comments to be returned. if
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* not specified, all comments are returned.
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* @param int $offset optional, starting point
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* @param \DateTime|null $notOlderThan optional, timestamp of the oldest comments
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* that may be returned
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* @return IComment[]
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* @since 9.0.0
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*/
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public function getForObject(
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$objectType,
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$objectId,
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$limit = 0,
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$offset = 0,
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\DateTime $notOlderThan = null
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);
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/**
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* @param $objectType string the object type, e.g. 'files'
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* @param $objectId string the id of the object
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* @param \DateTime|null $notOlderThan optional, timestamp of the oldest comments
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* that may be returned
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* @return Int
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* @since 9.0.0
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*/
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public function getNumberOfCommentsForObject($objectType, $objectId, \DateTime $notOlderThan = null);
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/**
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* Get the number of unread comments for all files in a folder
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*
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* @param int $folderId
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* @param IUser $user
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* @return array [$fileId => $unreadCount]
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* @since 12.0.0
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*/
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public function getNumberOfUnreadCommentsForFolder($folderId, IUser $user);
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/**
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* creates a new comment and returns it. At this point of time, it is not
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* saved in the used data storage. Use save() after setting other fields
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* of the comment (e.g. message or verb).
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*
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* @param string $actorType the actor type (e.g. 'users')
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* @param string $actorId a user id
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* @param string $objectType the object type the comment is attached to
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* @param string $objectId the object id the comment is attached to
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* @return IComment
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* @since 9.0.0
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*/
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public function create($actorType, $actorId, $objectType, $objectId);
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/**
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* permanently deletes the comment specified by the ID
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*
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* When the comment has child comments, their parent ID will be changed to
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* the parent ID of the item that is to be deleted.
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*
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* @param string $id
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* @return bool
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* @since 9.0.0
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*/
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public function delete($id);
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/**
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* saves the comment permanently
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*
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* if the supplied comment has an empty ID, a new entry comment will be
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* saved and the instance updated with the new ID.
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*
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* Otherwise, an existing comment will be updated.
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*
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* Throws NotFoundException when a comment that is to be updated does not
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* exist anymore at this point of time.
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*
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* @param IComment $comment
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* @return bool
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* @throws NotFoundException
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* @since 9.0.0
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*/
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public function save(IComment $comment);
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/**
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* removes references to specific actor (e.g. on user delete) of a comment.
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* The comment itself must not get lost/deleted.
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*
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* A 'users' type actor (type and id) should get replaced by the
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* value of the DELETED_USER constant of this interface.
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*
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* @param string $actorType the actor type (e.g. 'users')
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* @param string $actorId a user id
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* @return boolean
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* @since 9.0.0
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*/
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public function deleteReferencesOfActor($actorType, $actorId);
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/**
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* deletes all comments made of a specific object (e.g. on file delete)
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*
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* @param string $objectType the object type (e.g. 'files')
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* @param string $objectId e.g. the file id
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* @return boolean
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* @since 9.0.0
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*/
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public function deleteCommentsAtObject($objectType, $objectId);
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/**
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* sets the read marker for a given file to the specified date for the
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* provided user
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*
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* @param string $objectType
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* @param string $objectId
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* @param \DateTime $dateTime
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* @param \OCP\IUser $user
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* @since 9.0.0
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*/
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public function setReadMark($objectType, $objectId, \DateTime $dateTime, \OCP\IUser $user);
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/**
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* returns the read marker for a given file to the specified date for the
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* provided user. It returns null, when the marker is not present, i.e.
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* no comments were marked as read.
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*
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* @param string $objectType
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* @param string $objectId
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* @param \OCP\IUser $user
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* @return \DateTime|null
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* @since 9.0.0
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*/
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public function getReadMark($objectType, $objectId, \OCP\IUser $user);
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/**
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* deletes the read markers for the specified user
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*
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* @param \OCP\IUser $user
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* @return bool
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* @since 9.0.0
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*/
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public function deleteReadMarksFromUser(\OCP\IUser $user);
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/**
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* deletes the read markers on the specified object
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*
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* @param string $objectType
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* @param string $objectId
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* @return bool
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* @since 9.0.0
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*/
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public function deleteReadMarksOnObject($objectType, $objectId);
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/**
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* registers an Entity to the manager, so event notifications can be send
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* to consumers of the comments infrastructure
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*
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* @param \Closure $closure
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* @since 11.0.0
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*/
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public function registerEventHandler(\Closure $closure);
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/**
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* registers a method that resolves an ID to a display name for a given type
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*
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* @param string $type
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* @param \Closure $closure
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* @throws \OutOfBoundsException
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* @since 11.0.0
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*
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* Only one resolver shall be registered per type. Otherwise a
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* \OutOfBoundsException has to thrown.
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*/
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public function registerDisplayNameResolver($type, \Closure $closure);
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/**
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* resolves a given ID of a given Type to a display name.
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*
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* @param string $type
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* @param string $id
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* @return string
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* @throws \OutOfBoundsException
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* @since 11.0.0
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*
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* If a provided type was not registered, an \OutOfBoundsException shall
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* be thrown. It is upon the resolver discretion what to return of the
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* provided ID is unknown. It must be ensured that a string is returned.
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*/
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public function resolveDisplayName($type, $id);
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}
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