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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\ICommentsManager;
use OCP\ILogger;
use OCP\IUserManager;
use OCP\IUserSession;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAV\Exception\NotFound;
/**
* Class EntityTypeCollection
*
* This is collection on the type of things a user can leave comments on, for
* example: 'files'.
*
* Its children are instances of EntityCollection (representing a specific
* object, for example the file by id).
*
* @package OCA\DAV\Comments
*/
class EntityTypeCollection extends RootCollection {
/** @var ILogger */
protected $logger;
/** @var IUserManager */
protected $userManager;
/** @var \Closure */
protected $childExistsFunction;
/**
* @param string $name
* @param ICommentsManager $commentsManager
* @param IUserManager $userManager
* @param IUserSession $userSession
* @param ILogger $logger
* @param \Closure $childExistsFunction
*/
public function __construct(
$name,
ICommentsManager $commentsManager,
IUserManager $userManager,
IUserSession $userSession,
ILogger $logger,
\Closure $childExistsFunction
) {
$name = trim($name);
if(empty($name) || !is_string($name)) {
throw new \InvalidArgumentException('"name" parameter must be non-empty string');
}
$this->name = $name;
$this->commentsManager = $commentsManager;
$this->logger = $logger;
$this->userManager = $userManager;
$this->userSession = $userSession;
$this->childExistsFunction = $childExistsFunction;
}
/**
* 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) {
if(!$this->childExists($name)) {
throw new NotFound('Entity does not exist or is not available');
}
return new EntityCollection(
$name,
$this->name,
$this->commentsManager,
$this->userManager,
$this->userSession,
$this->logger
);
}
/**
* Returns an array with all the child nodes
*
* @return \Sabre\DAV\INode[]
* @throws MethodNotAllowed
*/
function getChildren() {
throw new MethodNotAllowed('No permission to list folder contents');
}
/**
* Checks if a child-node with the specified name exists
*
* @param string $name
* @return bool
*/
function childExists($name) {
return call_user_func($this->childExistsFunction, $name);
}
}