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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\DAV\SystemTag;
use OCP\IUser;
use OCP\SystemTag\ISystemTag;
use OCP\SystemTag\ISystemTagManager;
use OCP\SystemTag\ISystemTagObjectMapper;
use OCP\SystemTag\TagNotFoundException;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAV\Exception\NotFound;
/**
* Mapping node for system tag to object id
*/
class SystemTagMappingNode implements \Sabre\DAV\INode {
public function __construct(
private ISystemTag $tag,
private string $objectId,
private string $objectType,
private IUser $user,
private ISystemTagManager $tagManager,
private ISystemTagObjectMapper $tagMapper,
private \Closure $childWriteAccessFunction,
) {
}
/**
* Returns the object id of the relationship
*
* @return string object id
*/
public function getObjectId() {
return $this->objectId;
}
/**
* Returns the object type of the relationship
*
* @return string object type
*/
public function getObjectType() {
return $this->objectType;
}
/**
* Returns the system tag represented by this node
*
* @return ISystemTag system tag
*/
public function getSystemTag() {
return $this->tag;
}
/**
* Returns the id of the tag
*
* @return string
*/
public function getName() {
return $this->tag->getId();
}
/**
* Renames the node
*
* @param string $name The new name
*
* @throws MethodNotAllowed not allowed to rename node
*
* @return never
*/
public function setName($name) {
throw new MethodNotAllowed();
}
/**
* Returns null, not supported
*
* @return null
*/
public function getLastModified() {
return null;
}
/**
* Delete tag to object association
*
* @return void
*/
public function delete() {
try {
if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
}
if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
throw new Forbidden('No permission to unassign tag ' . $this->tag->getId());
}
$writeAccessFunction = $this->childWriteAccessFunction;
if (!$writeAccessFunction($this->objectId)) {
throw new Forbidden('No permission to unassign tag to ' . $this->objectId);
}
$this->tagMapper->unassignTags($this->objectId, $this->objectType, $this->tag->getId());
} catch (TagNotFoundException $e) {
// can happen if concurrent deletion occurred
throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
}
}
}
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