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<?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\Files_Versions;
class Hooks {
public static function connectHooks() {
// Listen to write signals
\OCP\Util::connectHook('OC_Filesystem', 'write', 'OCA\Files_Versions\Hooks', 'write_hook');
// Listen to delete and rename signals
\OCP\Util::connectHook('OC_Filesystem', 'post_delete', 'OCA\Files_Versions\Hooks', 'remove_hook');
\OCP\Util::connectHook('OC_Filesystem', 'delete', 'OCA\Files_Versions\Hooks', 'pre_remove_hook');
\OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OCA\Files_Versions\Hooks', 'rename_hook');
\OCP\Util::connectHook('OC_Filesystem', 'post_copy', 'OCA\Files_Versions\Hooks', 'copy_hook');
\OCP\Util::connectHook('OC_Filesystem', 'rename', 'OCA\Files_Versions\Hooks', 'pre_renameOrCopy_hook');
\OCP\Util::connectHook('OC_Filesystem', 'copy', 'OCA\Files_Versions\Hooks', 'pre_renameOrCopy_hook');
}
/**
* listen to write event.
*/
public static function write_hook( $params ) {
if (\OCP\App::isEnabled('files_versions')) {
$path = $params[\OC\Files\Filesystem::signal_param_path];
if($path<>'') {
Storage::store($path);
}
}
}
/**
* Erase versions of deleted file
* @param array $params
*
* This function is connected to the delete signal of OC_Filesystem
* cleanup the versions directory if the actual file gets deleted
*/
public static function remove_hook($params) {
if (\OCP\App::isEnabled('files_versions')) {
$path = $params[\OC\Files\Filesystem::signal_param_path];
if($path<>'') {
Storage::delete($path);
}
}
}
/**
* mark file as "deleted" so that we can clean up the versions if the file is gone
* @param array $params
*/
public static function pre_remove_hook($params) {
$path = $params[\OC\Files\Filesystem::signal_param_path];
if($path<>'') {
Storage::markDeletedFile($path);
}
}
/**
* rename/move versions of renamed/moved files
* @param array $params array with oldpath and newpath
*
* This function is connected to the rename signal of OC_Filesystem and adjust the name and location
* of the stored versions along the actual file
*/
public static function rename_hook($params) {
if (\OCP\App::isEnabled('files_versions')) {
$oldpath = $params['oldpath'];
$newpath = $params['newpath'];
if($oldpath<>'' && $newpath<>'') {
Storage::renameOrCopy($oldpath, $newpath, 'rename');
}
}
}
/**
* copy versions of copied files
* @param array $params array with oldpath and newpath
*
* This function is connected to the copy signal of OC_Filesystem and copies the
* the stored versions to the new location
*/
public static function copy_hook($params) {
if (\OCP\App::isEnabled('files_versions')) {
$oldpath = $params['oldpath'];
$newpath = $params['newpath'];
if($oldpath<>'' && $newpath<>'') {
Storage::renameOrCopy($oldpath, $newpath, 'copy');
}
}
}
/**
* Remember owner and the owner path of the source file.
* If the file already exists, then it was a upload of a existing file
* over the web interface and we call Storage::store() directly
*
* @param array $params array with oldpath and newpath
*
*/
public static function pre_renameOrCopy_hook($params) {
if (\OCP\App::isEnabled('files_versions')) {
$view = new \OC\Files\View(\OCP\User::getUser() . '/files');
if ($view->file_exists($params['newpath'])) {
Storage::store($params['newpath']);
} else {
Storage::setSourcePathAndUser($params['oldpath']);
}
}
}
}
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