/**
* find all versions which belong to the file we want to restore
*
* @param string $filename name of the file which should be restored
* @param int $timestamp timestamp when the file was deleted
* @return array
*/
private static function getVersionsFromTrash($filename, $timestamp)
{
$view = new \OC\Files\View('/' . \OCP\User::getUser() . '/files_trashbin/versions');
$versions = array();
//force rescan of versions, local storage may not have updated the cache
/** @var \OC\Files\Storage\Storage $storage */
list($storage, ) = $view->resolvePath('/');
$storage->getScanner()->scan('files_trashbin');
if ($timestamp) {
// fetch for old versions
$matches = $view->searchRaw($filename . '.v%.d' . $timestamp);
$offset = -strlen($timestamp) - 2;
} else {
$matches = $view->searchRaw($filename . '.v%');
}
if (is_array($matches)) {
foreach ($matches as $ma) {
if ($timestamp) {
$parts = explode('.v', substr($ma['path'], 0, $offset));
$versions[] = end($parts);
} else {
$parts = explode('.v', $ma);
$versions[] = end($parts);
}
}
}
return $versions;
}
