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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Joas Schilling <coding@schilljs.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\Comments;
use OCP\Comments\CommentsEntityEvent;
use OCP\Comments\ICommentsManager;
use OCP\ILogger;
use OCP\IUserManager;
use OCP\IUserSession;
use Sabre\DAV\Exception\NotAuthenticated;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\ICollection;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
class RootCollection implements ICollection {
/** @var EntityTypeCollection[]|null */
private $entityTypeCollections;
/** @var ICommentsManager */
protected $commentsManager;
/** @var string */
protected $name = 'comments';
/** @var ILogger */
protected $logger;
/** @var IUserManager */
protected $userManager;
/** @var IUserSession */
protected $userSession;
/** @var EventDispatcherInterface */
protected $dispatcher;
/**
* @param ICommentsManager $commentsManager
* @param IUserManager $userManager
* @param IUserSession $userSession
* @param EventDispatcherInterface $dispatcher
* @param ILogger $logger
*/
public function __construct(
ICommentsManager $commentsManager,
IUserManager $userManager,
IUserSession $userSession,
EventDispatcherInterface $dispatcher,
ILogger $logger)
{
$this->commentsManager = $commentsManager;
$this->logger = $logger;
$this->userManager = $userManager;
$this->userSession = $userSession;
$this->dispatcher = $dispatcher;
}
/**
* initializes the collection. At this point of time, we need the logged in
* user. Since it is not the case when the instance is created, we cannot
* have this in the constructor.
*
* @throws NotAuthenticated
*/
protected function initCollections() {
if($this->entityTypeCollections !== null) {
return;
}
$user = $this->userSession->getUser();
if(is_null($user)) {
throw new NotAuthenticated();
}
$event = new CommentsEntityEvent(CommentsEntityEvent::EVENT_ENTITY);
$this->dispatcher->dispatch(CommentsEntityEvent::EVENT_ENTITY, $event);
$this->entityTypeCollections = [];
foreach ($event->getEntityCollections() as $entity => $entityExistsFunction) {
$this->entityTypeCollections[$entity] = new EntityTypeCollection(
$entity,
$this->commentsManager,
$this->userManager,
$this->userSession,
$this->logger,
$entityExistsFunction
);
}
}
/**
* Creates a new file in the directory
*
* @param string $name Name of the file
* @param resource|string $data Initial payload
* @return null|string
* @throws Forbidden
*/
function createFile($name, $data = null) {
throw new Forbidden('Cannot create comments by id');
}
/**
* Creates a new subdirectory
*
* @param string $name
* @throws Forbidden
*/
function createDirectory($name) {
throw new Forbidden('Permission denied to create collections');
}
/**
* Returns a specific child node, referenced by its name
*
* This method must throw Sabre\DAV\Exception\NotFound if the node does not
* exist.
*
* @param string $name
* @return \Sabre\DAV\INode
* @throws NotFound
*/
function getChild($name) {
$this->initCollections();
if(isset($this->entityTypeCollections[$name])) {
return $this->entityTypeCollections[$name];
}
throw new NotFound('Entity type "' . $name . '" not found."');
}
/**
* Returns an array with all the child nodes
*
* @return \Sabre\DAV\INode[]
*/
function getChildren() {
$this->initCollections();
return $this->entityTypeCollections;
}
/**
* Checks if a child-node with the specified name exists
*
* @param string $name
* @return bool
*/
function childExists($name) {
$this->initCollections();
return isset($this->entityTypeCollections[$name]);
}
/**
* Deleted the current node
*
* @throws Forbidden
*/
function delete() {
throw new Forbidden('Permission denied to delete this collection');
}
/**
* Returns the name of the node.
*
* This is used to generate the url.
*
* @return string
*/
function getName() {
return $this->name;
}
/**
* Renames the node
*
* @param string $name The new name
* @throws Forbidden
*/
function setName($name) {
throw new Forbidden('Permission denied to rename this collection');
}
/**
* Returns the last modification time, as a unix timestamp
*
* @return int
*/
function getLastModified() {
return null;
}
}