168 lines
4.4 KiB
PHP
168 lines
4.4 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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class Upgrade {
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/**
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* @var Legacy $legacy
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*/
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private $legacy;
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private $numericIds = array();
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private $mimeTypeIds = array();
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/**
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* @param Legacy $legacy
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*/
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public function __construct($legacy) {
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$this->legacy = $legacy;
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}
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/**
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* Preform a shallow upgrade
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*
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* @param string $path
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* @param int $mode
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*/
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function upgradePath($path, $mode = Scanner::SCAN_RECURSIVE) {
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if (!$this->legacy->hasItems()) {
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return;
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}
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\OC_Hook::emit('\OC\Files\Cache\Upgrade', 'migrate_path', $path);
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if ($row = $this->legacy->get($path)) {
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$data = $this->getNewData($row);
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$this->insert($data);
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$this->upgradeChilds($data['id'], $mode);
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}
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}
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/**
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* @param int $id
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*/
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function upgradeChilds($id, $mode = Scanner::SCAN_RECURSIVE) {
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$children = $this->legacy->getChildren($id);
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foreach ($children as $child) {
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$childData = $this->getNewData($child);
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\OC_Hook::emit('\OC\Files\Cache\Upgrade', 'migrate_path', $child['path']);
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$this->insert($childData);
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if ($mode == Scanner::SCAN_RECURSIVE) {
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$this->upgradeChilds($child['id']);
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}
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}
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}
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/**
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* @param array $data the data for the new cache
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*/
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function insert($data) {
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if (!$this->inCache($data['storage'], $data['path_hash'], $data['id'])) {
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$insertQuery = \OC_DB::prepare('INSERT INTO `*PREFIX*filecache`
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( `fileid`, `storage`, `path`, `path_hash`, `parent`, `name`, `mimetype`, `mimepart`, `size`, `mtime`, `encrypted` )
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VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
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$insertQuery->execute(array($data['id'], $data['storage'],
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$data['path'], $data['path_hash'], $data['parent'], $data['name'],
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$data['mimetype'], $data['mimepart'], $data['size'], $data['mtime'], $data['encrypted']));
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}
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}
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/**
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* @param string $storage
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* @param string $pathHash
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* @param string $id
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* @return bool
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*/
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function inCache($storage, $pathHash, $id) {
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$query = \OC_DB::prepare('SELECT `fileid` FROM `*PREFIX*filecache` WHERE `storage` = ? AND `path_hash` = ?');
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$result = $query->execute(array($storage, $pathHash));
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if ($result->fetchRow()) {
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return true;
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} else {
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$query = \OC_DB::prepare('SELECT `fileid` FROM `*PREFIX*filecache` WHERE `fileid` = ?');
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$result = $query->execute(array($id));
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return (bool)$result->fetchRow();
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}
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}
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/**
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* get the new data array from the old one
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*
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* @param array $data the data from the old cache
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* @return array
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*/
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function getNewData($data) {
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$newData = $data;
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list($storage, $internalPath) = \OC\Files\Filesystem::resolvePath($data['path']);
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/**
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* @var \OC\Files\Storage\Storage $storage
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* @var string $internalPath;
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*/
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$newData['path_hash'] = md5($internalPath);
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$newData['path'] = $internalPath;
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$newData['storage'] = $this->getNumericId($storage);
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$newData['parent'] = ($internalPath === '') ? -1 : $data['parent'];
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$newData['permissions'] = ($data['writable']) ? \OCP\PERMISSION_ALL : \OCP\PERMISSION_READ;
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$newData['storage_object'] = $storage;
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$newData['mimetype'] = $this->getMimetypeId($newData['mimetype'], $storage);
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$newData['mimepart'] = $this->getMimetypeId($newData['mimepart'], $storage);
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return $newData;
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}
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/**
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* get the numeric storage id
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*
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* @param \OC\Files\Storage\Storage $storage
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* @return int
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*/
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function getNumericId($storage) {
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$storageId = $storage->getId();
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if (!isset($this->numericIds[$storageId])) {
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$cache = $storage->getCache();
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$this->numericIds[$storageId] = $cache->getNumericStorageId();
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}
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return $this->numericIds[$storageId];
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}
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/**
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* @param string $mimetype
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* @param \OC\Files\Storage\Storage $storage
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* @return int
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*/
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function getMimetypeId($mimetype, $storage) {
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if (!isset($this->mimeTypeIds[$mimetype])) {
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$cache = new Cache($storage);
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$this->mimeTypeIds[$mimetype] = $cache->getMimetypeId($mimetype);
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}
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return $this->mimeTypeIds[$mimetype];
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}
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/**
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* check if a cache upgrade is required for $user
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*
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* @param string $user
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* @return bool
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*/
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static function needUpgrade($user) {
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$cacheVersion = (int)\OCP\Config::getUserValue($user, 'files', 'cache_version', 4);
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return $cacheVersion < 5;
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}
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/**
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* mark the filecache as upgrade
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*
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* @param string $user
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*/
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static function upgradeDone($user) {
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\OCP\Config::setUserValue($user, 'files', 'cache_version', 5);
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}
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}
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