nextcloud/apps/files_versions/lib/hooks.php

76 lines
2.2 KiB
PHP

<?php
/**
* Copyright (c) 2012 Sam Tuke <samtuke@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
/**
* This class contains all hooks.
*/
namespace OCA_Versions;
class Hooks {
/**
* listen to write event.
*/
public static function write_hook( $params ) {
if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {
$versions = new Storage( new \OC_FilesystemView('') );
$path = $params[\OC_Filesystem::signal_param_path];
if($path<>'') $versions->store( $path );
}
}
/**
* @brief Erase versions of deleted file
* @param array
*
* This function is connected to the delete signal of OC_Filesystem
* cleanup the versions directory if the actual file gets deleted
*/
public static function remove_hook($params) {
$versions_fileview = \OCP\Files::getStorage('files_versions');
$rel_path = $params['path'];
$abs_path = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$rel_path.'.v';
if(Storage::isversioned($rel_path)) {
$versions = Storage::getVersions($rel_path);
foreach ($versions as $v) {
unlink($abs_path . $v['version']);
}
}
}
/**
* @brief rename/move versions of renamed/moved files
* @param array with oldpath and newpath
*
* This function is connected to the rename signal of OC_Filesystem and adjust the name and location
* of the stored versions along the actual file
*/
public static function rename_hook($params) {
$versions_fileview = \OCP\Files::getStorage('files_versions');
$rel_oldpath = $params['oldpath'];
$abs_oldpath = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$rel_oldpath.'.v';
$abs_newpath = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$params['newpath'].'.v';
if(Storage::isversioned($rel_oldpath)) {
$info=pathinfo($abs_newpath);
if(!file_exists($info['dirname'])) mkdir($info['dirname'],0700,true);
$versions = Storage::getVersions($rel_oldpath);
foreach ($versions as $v) {
rename($abs_oldpath.$v['version'], $abs_newpath.$v['version']);
}
}
}
}