/**
* update the filecache according to changes to the filesystem
* @param string path
* @param string root (optional)
*/
public static function update($path, $root = false)
{
if ($root === false) {
$view = OC_Filesystem::getView();
} else {
$view = new OC_FilesystemView($root);
}
$mimetype = $view->getMimeType($path);
$size = 0;
$cached = OC_FileCache_Cached::get($path, $root);
$cachedSize = isset($cached['size']) ? $cached['size'] : 0;
if ($view->is_dir($path . '/')) {
if (OC_FileCache::inCache($path, $root)) {
$cachedContent = OC_FileCache_Cached::getFolderContent($path, $root);
foreach ($cachedContent as $file) {
$size += $file['size'];
}
$mtime = $view->filemtime($path . '/');
$ctime = $view->filectime($path . '/');
$writable = $view->is_writable($path . '/');
OC_FileCache::put($path, array('size' => $size, 'mtime' => $mtime, 'ctime' => $ctime, 'mimetype' => $mimetype, 'writable' => $writable));
} else {
$count = 0;
OC_FileCache::scan($path, null, $count, $root);
return;
//increaseSize is already called inside scan
}
} else {
$size = OC_FileCache::scanFile($path, $root);
}
OC_FileCache::increaseSize(dirname($path), $size - $cachedSize, $root);
}
/**
* check if a file or folder is updated outside owncloud
* @param string path
* @param string root (optional)
* @return bool
*/
public static function isUpdated($path, $root = '')
{
if (!$root) {
$root = OC_Filesystem::getRoot();
$view = OC_Filesystem::getView();
} else {
if ($root == '/') {
$root = '';
}
$view = new OC_FilesystemView($root);
}
if (!$view->file_exists($path)) {
return false;
}
$mtime = $view->filemtime($path);
$isDir = $view->is_dir($path);
$fullPath = $root . $path;
$query = OC_DB::prepare('SELECT mtime FROM *PREFIX*fscache WHERE path_hash=?');
$result = $query->execute(array(md5($fullPath)));
if ($row = $result->fetchRow()) {
$cachedMTime = $row['mtime'];
return $mtime > $cachedMTime;
} else {
//file not in cache, so it has to be updated
if ($path == '/' or $path == '') {
//dont auto update the root folder, it will be scanned
return false;
}
return true;
}
}
