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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @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 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 {
/**
* @var ISystemTag
*/
protected $tag;
/**
* @var string
*/
private $objectId;
/**
* @var string
*/
private $objectType;
/**
* User
*
* @var IUser
*/
protected $user;
/**
* @var ISystemTagManager
*/
protected $tagManager;
/**
* @var ISystemTagObjectMapper
*/
private $tagMapper;
/**
* Sets up the node, expects a full path name
*
* @param ISystemTag $tag system tag
* @param string $objectId
* @param string $objectType
* @param IUser $user user
* @param ISystemTagManager $tagManager
* @param ISystemTagObjectMapper $tagMapper
*/
public function __construct(
ISystemTag $tag,
$objectId,
$objectType,
IUser $user,
ISystemTagManager $tagManager,
ISystemTagObjectMapper $tagMapper
) {
$this->tag = $tag;
$this->objectId = $objectId;
$this->objectType = $objectType;
$this->user = $user;
$this->tagManager = $tagManager;
$this->tagMapper = $tagMapper;
}
/**
* 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 $name The new name
*
* @throws MethodNotAllowed not allowed to rename node
*/
public function setName($name) {
throw new MethodNotAllowed();
}
/**
* Returns null, not supported
*
*/
public function getLastModified() {
return null;
}
/**
* Delete tag to object association
*/
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());
}
$this->tagMapper->unassignTags($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);
}
}
}
|
