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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCP\SystemTag;
/**
* Public interface to access and manage system-wide tags.
*
* @since 9.0.0
*/
interface ISystemTagObjectMapper {
/**
* Get a list of tag ids for the given object ids.
*
* This returns an array that maps object id to tag ids
* [
* 1 => array('id1', 'id2'),
* 2 => array('id3', 'id2'),
* 3 => array('id5'),
* 4 => array()
* ]
*
* Untagged objects will have an empty array associated.
*
* @param string|array $objIds object ids
* @param string $objectType object type
*
* @return array with object id as key and an array
* of tag ids as value
*
* @since 9.0.0
*/
public function getTagIdsForObjects($objIds, $objectType);
/**
* Get a list of objects tagged with $tagIds.
*
* @param string|array $tagIds Tag id or array of tag ids.
* @param string $objectType object type
* @param int $limit Count of object ids you want to get
* @param string $offset The last object id you already received
*
* @return string[] array of object ids or empty array if none found
*
* @throws \OCP\SystemTag\TagNotFoundException if at least one of the
* given tags does not exist
* @throws \InvalidArgumentException When a limit is specified together with
* multiple tag ids
*
* @since 9.0.0
*/
public function getObjectIdsForTags($tagIds, $objectType, $limit = 0, $offset = '');
/**
* Assign the given tags to the given object.
*
* If at least one of the given tag ids doesn't exist, none of the tags
* will be assigned.
*
* If the relationship already existed, fail silently.
*
* @param string $objId object id
* @param string $objectType object type
* @param string|array $tagIds tag id or array of tag ids to assign
*
* @throws \OCP\SystemTag\TagNotFoundException if at least one of the
* given tags does not exist
*
* @since 9.0.0
*/
public function assignTags($objId, $objectType, $tagIds);
/**
* Unassign the given tags from the given object.
*
* If at least one of the given tag ids doesn't exist, none of the tags
* will be unassigned.
*
* If the relationship did not exist in the first place, fail silently.
*
* @param string $objId object id
* @param string $objectType object type
* @param string|array $tagIds tag id or array of tag ids to unassign
*
* @throws \OCP\SystemTag\TagNotFoundException if at least one of the
* given tags does not exist
*
* @since 9.0.0
*/
public function unassignTags($objId, $objectType, $tagIds);
/**
* Checks whether the given objects have the given tag.
*
* @param string|array $objIds object ids
* @param string $objectType object type
* @param string $tagId tag id to check
* @param bool $all true to check that ALL objects have the tag assigned,
* false to check that at least ONE object has the tag.
*
* @return bool true if the condition set by $all is matched, false
* otherwise
*
* @throws \OCP\SystemTag\TagNotFoundException if the tag does not exist
*
* @since 9.0.0
*/
public function haveTag($objIds, $objectType, $tagId, $all = true);
}