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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\Comments\NotFoundException;
use OCP\ILogger;
use OCP\IUserManager;
use OCP\IUserSession;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\IProperties;
use Sabre\DAV\PropPatch;
/**
* Class EntityCollection
*
* this represents a specific holder of comments, identified by an entity type
* (class member $name) and an entity id (class member $id).
*
* @package OCA\DAV\Comments
*/
class EntityCollection extends RootCollection implements IProperties {
const PROPERTY_NAME_READ_MARKER = '{http://owncloud.org/ns}readMarker';
/** @var string */
protected $id;
/** @var ILogger */
protected $logger;
/**
* @param string $id
* @param string $name
* @param ICommentsManager $commentsManager
* @param IUserManager $userManager
* @param IUserSession $userSession
* @param ILogger $logger
*/
public function __construct(
$id,
$name,
ICommentsManager $commentsManager,
IUserManager $userManager,
IUserSession $userSession,
ILogger $logger
) {
foreach(['id', 'name'] as $property) {
$$property = trim($$property);
if(empty($$property) || !is_string($$property)) {
throw new \InvalidArgumentException('"' . $property . '" parameter must be non-empty string');
}
}
$this->id = $id;
$this->name = $name;
$this->commentsManager = $commentsManager;
$this->logger = $logger;
$this->userManager = $userManager;
$this->userSession = $userSession;
}
/**
* returns the ID of this entity
*
* @return string
*/
public function getId() {
return $this->id;
}
/**
* 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) {
try {
$comment = $this->commentsManager->get($name);
return new CommentNode(
$this->commentsManager,
$comment,
$this->userManager,
$this->userSession,
$this->logger
);
} catch (NotFoundException $e) {
throw new NotFound();
}
}
/**
* Returns an array with all the child nodes
*
* @return \Sabre\DAV\INode[]
*/
function getChildren() {
return $this->findChildren();
}
/**
* Returns an array of comment nodes. Result can be influenced by offset,
* limit and date time parameters.
*
* @param int $limit
* @param int $offset
* @param \DateTime|null $datetime
* @return CommentNode[]
*/
function findChildren($limit = 0, $offset = 0, \DateTime $datetime = null) {
$comments = $this->commentsManager->getForObject($this->name, $this->id, $limit, $offset, $datetime);
$result = [];
foreach($comments as $comment) {
$result[] = new CommentNode(
$this->commentsManager,
$comment,
$this->userManager,
$this->userSession,
$this->logger
);
}
return $result;
}
/**
* Checks if a child-node with the specified name exists
*
* @param string $name
* @return bool
*/
function childExists($name) {
try {
$this->commentsManager->get($name);
return true;
} catch (NotFoundException $e) {
return false;
}
}
/**
* Sets the read marker to the specified date for the logged in user
*
* @param \DateTime $value
* @return bool
*/
public function setReadMarker($value) {
$dateTime = new \DateTime($value);
$user = $this->userSession->getUser();
$this->commentsManager->setReadMark($this->name, $this->id, $dateTime, $user);
return true;
}
/**
* @inheritdoc
*/
function propPatch(PropPatch $propPatch) {
$propPatch->handle(self::PROPERTY_NAME_READ_MARKER, [$this, 'setReadMarker']);
}
/**
* @inheritdoc
*/
function getProperties($properties) {
$marker = null;
$user = $this->userSession->getUser();
if(!is_null($user)) {
$marker = $this->commentsManager->getReadMark($this->name, $this->id, $user);
}
return [self::PROPERTY_NAME_READ_MARKER => $marker];
}
}