/**
* update the cache according to changes in the folder
* @param string path
* @param string root (optional)
*/
public static function updateFolder($path, $root = false)
{
if ($root === false) {
$view = OC_Filesystem::getView();
} else {
$view = new OC_FilesystemView($root);
}
$dh = $view->opendir($path . '/');
if ($dh) {
//check for changed/new files
while (($filename = readdir($dh)) !== false) {
if ($filename != '.' and $filename != '..' and $filename != '') {
$file = $path . '/' . $filename;
$isDir = $view->is_dir($file);
if (self::hasUpdated($file, $root, $isDir)) {
if ($isDir) {
self::updateFolder($file, $root);
} elseif ($root === false) {
//filesystem hooks are only valid for the default root
OC_Hook::emit('OC_Filesystem', 'post_write', array('path' => $file));
} else {
self::update($file, $root);
}
}
}
}
}
self::cleanFolder($path, $root);
//update the folder last, so we can calculate the size correctly
if ($root === false) {
//filesystem hooks are only valid for the default root
OC_Hook::emit('OC_Filesystem', 'post_write', array('path' => $path));
} else {
self::update($path, $root);
}
}
/**
* recursively scan the filesystem and fill the cache
* @param string $path
* @param OC_EventSource $enventSource (optional)
* @param int count (optional)
* @param string root (optional)
*/
public static function scan($path, $eventSource = false, &$count = 0, $root = false)
{
if ($eventSource) {
$eventSource->send('scanning', array('file' => $path, 'count' => $count));
}
$lastSend = $count;
// NOTE: Ugly hack to prevent shared files from going into the cache (the source already exists somewhere in the cache)
if (substr($path, 0, 7) == '/Shared') {
return;
}
if ($root === false) {
$view = OC_Filesystem::getView();
} else {
$view = new OC_FilesystemView($root);
}
self::scanFile($path, $root);
$dh = $view->opendir($path . '/');
$totalSize = 0;
if ($dh) {
while (($filename = readdir($dh)) !== false) {
if ($filename != '.' and $filename != '..') {
$file = $path . '/' . $filename;
if ($view->is_dir($file . '/')) {
self::scan($file, $eventSource, $count, $root);
} else {
$totalSize += self::scanFile($file, $root);
$count++;
if ($count > $lastSend + 25 and $eventSource) {
$lastSend = $count;
$eventSource->send('scanning', array('file' => $path, 'count' => $count));
}
}
}
}
}
OC_FileCache_Update::cleanFolder($path, $root);
self::increaseSize($path, $totalSize, $root);
}
