/**
* Retrieves the contents of a trash bin directory.
*
* @param string $dir path to the directory inside the trashbin
* or empty to retrieve the root of the trashbin
* @param string $user
* @param string $sortAttribute attribute to sort on or empty to disable sorting
* @param bool $sortDescending true for descending sort, false otherwise
* @return \OCP\Files\FileInfo[]
*/
public static function getTrashFiles($dir, $user, $sortAttribute = '', $sortDescending = false)
{
$result = array();
$timestamp = null;
$view = new \OC\Files\View('/' . $user . '/files_trashbin/files');
if (ltrim($dir, '/') !== '' && !$view->is_dir($dir)) {
throw new \Exception('Directory does not exists');
}
$dirContent = $view->opendir($dir);
if ($dirContent === false) {
return $result;
}
$mount = $view->getMount($dir);
$storage = $mount->getStorage();
$absoluteDir = $view->getAbsolutePath($dir);
$internalPath = $mount->getInternalPath($absoluteDir);
if (is_resource($dirContent)) {
$originalLocations = \OCA\Files_Trashbin\Trashbin::getLocations($user);
while (($entryName = readdir($dirContent)) !== false) {
if (!\OC\Files\Filesystem::isIgnoredDir($entryName)) {
$id = $entryName;
if ($dir === '' || $dir === '/') {
$size = $view->filesize($id);
$pathparts = pathinfo($entryName);
$timestamp = substr($pathparts['extension'], 1);
$id = $pathparts['filename'];
} else {
if ($timestamp === null) {
// for subfolders we need to calculate the timestamp only once
$size = $view->filesize($dir . '/' . $id);
$parts = explode('/', ltrim($dir, '/'));
$timestamp = substr(pathinfo($parts[0], PATHINFO_EXTENSION), 1);
}
}
$originalPath = '';
if (isset($originalLocations[$id][$timestamp])) {
$originalPath = $originalLocations[$id][$timestamp];
if (substr($originalPath, -1) === '/') {
$originalPath = substr($originalPath, 0, -1);
}
}
$i = array('name' => $id, 'mtime' => $timestamp, 'mimetype' => $view->is_dir($dir . '/' . $entryName) ? 'httpd/unix-directory' : \OC_Helper::getFileNameMimeType($id), 'type' => $view->is_dir($dir . '/' . $entryName) ? 'dir' : 'file', 'directory' => $dir === '/' ? '' : $dir, 'size' => $size);
if ($originalPath) {
$i['extraData'] = $originalPath . '/' . $id;
}
$result[] = new FileInfo($absoluteDir . '/' . $i['name'], $storage, $internalPath . '/' . $i['name'], $i, $mount);
}
}
closedir($dirContent);
}
if ($sortAttribute !== '') {
return \OCA\Files\Helper::sortFiles($result, $sortAttribute, $sortDescending);
}
return $result;
}
/**
* check if trash bin is empty for a given user
* @param string $user
*/
public static function isEmpty($user)
{
$view = new \OC\Files\View('/' . $user . '/files_trashbin');
if ($view->is_dir('/files') && ($dh = $view->opendir('/files'))) {
while ($file = readdir($dh)) {
if ($file !== '.' and $file !== '..') {
return false;
}
}
}
return true;
}
/**
* get a list of all available versions of a file in descending chronological order
* @param string $uid user id from the owner of the file
* @param string $filename file to find versions of, relative to the user files dir
* @param string $userFullPath
* @return array versions newest version first
*/
public static function getVersions($uid, $filename, $userFullPath = '')
{
$versions = array();
if (empty($filename)) {
return $versions;
}
// fetch for old versions
$view = new \OC\Files\View('/' . $uid . '/');
$pathinfo = pathinfo($filename);
$versionedFile = $pathinfo['basename'];
$dir = \OC\Files\Filesystem::normalizePath(self::VERSIONS_ROOT . '/' . $pathinfo['dirname']);
$dirContent = false;
if ($view->is_dir($dir)) {
$dirContent = $view->opendir($dir);
}
if ($dirContent === false) {
return $versions;
}
if (is_resource($dirContent)) {
while (($entryName = readdir($dirContent)) !== false) {
if (!\OC\Files\Filesystem::isIgnoredDir($entryName)) {
$pathparts = pathinfo($entryName);
$filename = $pathparts['filename'];
if ($filename === $versionedFile) {
$pathparts = pathinfo($entryName);
$timestamp = substr($pathparts['extension'], 1);
$filename = $pathparts['filename'];
$key = $timestamp . '#' . $filename;
$versions[$key]['version'] = $timestamp;
$versions[$key]['humanReadableTimestamp'] = self::getHumanReadableTimestamp($timestamp);
if (empty($userFullPath)) {
$versions[$key]['preview'] = '';
} else {
$versions[$key]['preview'] = \OCP\Util::linkToRoute('core_ajax_versions_preview', array('file' => $userFullPath, 'version' => $timestamp));
}
$versions[$key]['path'] = \OC\Files\Filesystem::normalizePath($pathinfo['dirname'] . '/' . $filename);
$versions[$key]['name'] = $versionedFile;
$versions[$key]['size'] = $view->filesize($dir . '/' . $entryName);
}
}
}
closedir($dirContent);
}
// sort with newest version first
krsort($versions);
return $versions;
}
