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sources/lib/files/utils/scanner.php
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<?php
/**
* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Files\Utils;
use OC\Files\Filesystem;
use OC\Files\Mount;
use OC\Hooks\PublicEmitter;
/**
* Class Scanner
*
* Hooks available in scope \OC\Utils\Scanner
* - scanFile(string $absolutePath)
* - scanFolder(string $absolutePath)
*
* @package OC\Files\Utils
*/
class Scanner extends PublicEmitter {
/**
* @var string $user
*/
private $user;
/**
* @param string $user
*/
public function __construct($user) {
$this->user = $user;
}
/**
* get all storages for $dir
*
* @param string $dir
* @return \OC\Files\Mount[]
*/
protected function getMounts($dir) {
//TODO: move to the node based fileapi once that's done
\OC_Util::tearDownFS();
\OC_Util::setupFS($this->user);
$absolutePath = Filesystem::getView()->getAbsolutePath($dir);
$mounts = Mount::findIn($absolutePath);
$mounts[] = Mount::find($absolutePath);
$mounts = array_reverse($mounts); //start with the mount of $dir
return $mounts;
}
/**
* attach listeners to the scanner
*
* @param \OC\Files\Mount $mount
*/
protected function attachListener($mount) {
$scanner = $mount->getStorage()->getScanner();
$emitter = $this;
$scanner->listen('\OC\Files\Cache\Scanner', 'scanFile', function ($path) use ($mount, $emitter) {
$emitter->emit('\OC\Files\Utils\Scanner', 'scanFile', array($mount->getMountPoint() . $path));
});
$scanner->listen('\OC\Files\Cache\Scanner', 'scanFolder', function ($path) use ($mount, $emitter) {
$emitter->emit('\OC\Files\Utils\Scanner', 'scanFolder', array($mount->getMountPoint() . $path));
});
}
public function backgroundScan($dir) {
$mounts = $this->getMounts($dir);
foreach ($mounts as $mount) {
$scanner = $mount->getStorage()->getScanner();
$this->attachListener($mount);
$scanner->backgroundScan();
}
}
public function scan($dir) {
$mounts = $this->getMounts($dir);
foreach ($mounts as $mount) {
$scanner = $mount->getStorage()->getScanner();
$this->attachListener($mount);
$scanner->scan('', \OC\Files\Cache\Scanner::SCAN_RECURSIVE, \OC\Files\Cache\Scanner::REUSE_ETAG);
}
}
}
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