115 lines
2.7 KiB
PHP
115 lines
2.7 KiB
PHP
<?php
|
|
/**
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <icewind@owncloud.com>
|
|
*
|
|
* @copyright Copyright (c) 2015, ownCloud, Inc.
|
|
* @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 OC\Files\Cache;
|
|
|
|
/**
|
|
* Propagates changes in etag and mtime up the filesystem tree
|
|
*
|
|
* @package OC\Files\Cache
|
|
*/
|
|
class ChangePropagator {
|
|
/**
|
|
* @var string[]
|
|
*/
|
|
protected $changedFiles = array();
|
|
|
|
/**
|
|
* @var \OC\Files\View
|
|
*/
|
|
protected $view;
|
|
|
|
/**
|
|
* @param \OC\Files\View $view
|
|
*/
|
|
public function __construct(\OC\Files\View $view) {
|
|
$this->view = $view;
|
|
}
|
|
|
|
public function addChange($path) {
|
|
$this->changedFiles[] = $path;
|
|
}
|
|
|
|
public function getChanges() {
|
|
return $this->changedFiles;
|
|
}
|
|
|
|
/**
|
|
* propagate the registered changes to their parent folders
|
|
*
|
|
* @param int $time (optional) the mtime to set for the folders, if not set the current time is used
|
|
*/
|
|
public function propagateChanges($time = null) {
|
|
$parents = $this->getAllParents();
|
|
$this->changedFiles = array();
|
|
if (!$time) {
|
|
$time = time();
|
|
}
|
|
foreach ($parents as $parent) {
|
|
/**
|
|
* @var \OC\Files\Storage\Storage $storage
|
|
* @var string $internalPath
|
|
*/
|
|
|
|
list($storage, $internalPath) = $this->view->resolvePath($parent);
|
|
if ($storage) {
|
|
$cache = $storage->getCache();
|
|
$entry = $cache->get($internalPath);
|
|
$cache->update($entry['fileid'], array('mtime' => max($time, $entry['mtime']), 'etag' => $storage->getETag($internalPath)));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return string[]
|
|
*/
|
|
public function getAllParents() {
|
|
$parents = array();
|
|
foreach ($this->getChanges() as $path) {
|
|
$parents = array_values(array_unique(array_merge($parents, $this->getParents($path))));
|
|
}
|
|
return $parents;
|
|
}
|
|
|
|
/**
|
|
* get all parent folders of $path
|
|
*
|
|
* @param string $path
|
|
* @return string[]
|
|
*/
|
|
protected function getParents($path) {
|
|
$parts = explode('/', $path);
|
|
|
|
// remove the singe file
|
|
array_pop($parts);
|
|
$result = array('/');
|
|
$resultPath = '';
|
|
foreach ($parts as $part) {
|
|
if ($part) {
|
|
$resultPath .= '/' . $part;
|
|
$result[] = $resultPath;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
}
|