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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
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, string $objectType): array;
/**
* 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 $offset The last object id you already received
*
* @return string[] array of object ids or empty array if none found
*
* @throws TagNotFoundException if at least one of the
* given tags does not exist
* @throws \InvalidArgumentException When a limit is specified together with
* multiple tag ids
*
* @since 9.0.0
*/
public function getObjectIdsForTags($tagIds, string $objectType, int $limit = 0, string $offset = ''): array;
/**
* 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 TagNotFoundException if at least one of the
* given tags does not exist
*
* @since 9.0.0
*/
public function assignTags(string $objId, string $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 TagNotFoundException if at least one of the
* given tags does not exist
*
* @since 9.0.0
*/
public function unassignTags(string $objId, string $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 $all is matched, false
* otherwise
*
* @throws TagNotFoundException if the tag does not exist
*
* @since 9.0.0
*/
public function haveTag($objIds, string $objectType, string $tagId, bool $all = true): bool;
}
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