105 lines
2.5 KiB
PHP
105 lines
2.5 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Files\Cache;
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/**
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* listen to filesystem hooks and change the cache accordingly
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*/
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class Updater {
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/**
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* resolve a path to a storage and internal path
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*
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* @param string $path
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* @return array consisting of the storage and the internal path
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*/
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static public function resolvePath($path) {
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$view = \OC\Files\Filesystem::getView();
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return $view->resolvePath($path);
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}
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static public function writeUpdate($path) {
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/**
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* @var \OC\Files\Storage\Storage $storage
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* @var string $internalPath
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*/
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list($storage, $internalPath) = self::resolvePath($path);
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if ($storage) {
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$cache = $storage->getCache($internalPath);
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$scanner = $storage->getScanner($internalPath);
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$scanner->scan($internalPath, Scanner::SCAN_SHALLOW);
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$cache->correctFolderSize($internalPath);
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self::correctFolder($path, $storage->filemtime($internalPath));
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}
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}
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static public function deleteUpdate($path) {
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/**
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* @var \OC\Files\Storage\Storage $storage
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* @var string $internalPath
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*/
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list($storage, $internalPath) = self::resolvePath($path);
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if ($storage) {
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$cache = $storage->getCache($internalPath);
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$cache->remove($internalPath);
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$cache->correctFolderSize($internalPath);
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self::correctFolder($path, time());
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}
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}
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/**
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* Update the mtime and ETag of all parent folders
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*
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* @param string $path
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* @param string $time
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*/
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static public function correctFolder($path, $time) {
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if ($path !== '' && $path !== '/') {
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$parent = dirname($path);
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if ($parent === '.') {
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$parent = '';
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}
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/**
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* @var \OC\Files\Storage\Storage $storage
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* @var string $internalPath
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*/
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list($storage, $internalPath) = self::resolvePath($parent);
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if ($storage) {
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$cache = $storage->getCache();
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$id = $cache->getId($internalPath);
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if ($id !== -1) {
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$cache->update($id, array('mtime' => $time, 'etag' => $storage->getETag($internalPath)));
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self::correctFolder($parent, $time);
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}
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}
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}
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}
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/**
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* @param array $params
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*/
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static public function writeHook($params) {
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self::writeUpdate($params['path']);
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}
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/**
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* @param array $params
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*/
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static public function renameHook($params) {
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self::deleteUpdate($params['oldpath']);
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self::writeUpdate($params['newpath']);
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}
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/**
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* @param array $params
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*/
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static public function deleteHook($params) {
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self::deleteUpdate($params['path']);
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}
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}
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