use background scanner

apps/files/ajax/scan.php

 <?php
+set_time_limit(0); //scanning can take ages
+session_write_close();
+
+$force = (isset($_GET['force']) and ($_GET['force'] === 'true'));
+$dir = isset($_GET['dir']) ? $_GET['dir'] : '';
+
+$eventSource = new OC_EventSource();
+ScanListener::$eventSource = $eventSource;
+ScanListener::$view = \OC\Files\Filesystem::getView();
 
-return;
+OC_Hook::connect('\OC\Files\Cache\Scanner', 'scan_folder', 'ScanListener', 'folder');
+OC_Hook::connect('\OC\Files\Cache\Scanner', 'scan_file', 'ScanListener', 'file');
 
-set_time_limit(0);//scanning can take ages
+$absolutePath = \OC\Files\Filesystem::getView()->getAbsolutePath($dir);
 
-$force=isset($_GET['force']) and $_GET['force']=='true';
-$dir=isset($_GET['dir'])?$_GET['dir']:'';
-$checkOnly=isset($_GET['checkonly']) and $_GET['checkonly']=='true';
+$mountPoints = \OC\Files\Filesystem::getMountPoints($absolutePath);
+$mountPoints[] = \OC\Files\Filesystem::getMountPoint($absolutePath);
+$mountPoints = array_reverse($mountPoints); //start with the mount point of $dir
 
-if(!$checkOnly) {
-	$eventSource=new OC_EventSource();
+foreach ($mountPoints as $mountPoint) {
+	$storage = \OC\Files\Filesystem::getStorage($mountPoint);
+	error_log('scanning mp '.$mountPoint);
+	ScanListener::$mountPoints[$storage->getId()] = $mountPoint;
+	$scanner = $storage->getScanner();
+	if ($force) {
+		$scanner->scan('');
+	} else {
+		$scanner->backgroundScan();
+	}
 }
 
-session_write_close();
+$eventSource->send('done', ScanListener::$fileCount);
+$eventSource->close();
 
-//create the file cache if necesary
-if($force or !OC_FileCache::inCache('')) {
-	if(!$checkOnly) {
-		OCP\DB::beginTransaction();
+class ScanListener {
 
-		if(OC_Cache::isFast()) {
-			OC_Cache::clear('fileid/'); //make sure the old fileid's don't mess things up
-		}
+	static public $fileCount = 0;
+	static public $lastCount = 0;
 
-		OC_FileCache::scan($dir, $eventSource);
-		OC_FileCache::clean();
-		OCP\DB::commit();
-		$eventSource->send('success', true);
-	} else {
-		OCP\JSON::success(array('data'=>array('done'=>true)));
-		exit;
-	}
-} else {
-	if($checkOnly) {
-		OCP\JSON::success(array('data'=>array('done'=>false)));
-		exit;
+	/**
+	 * @var \OC\Files\View $view
+	 */
+	static public $view;
+
+	/**
+	 * @var array $mountPoints map storage ids to mountpoints
+	 */
+	static public $mountPoints = array();
+
+	/**
+	 * @var \OC_EventSource event source to pass events to
+	 */
+	static public $eventSource;
+
+	static function folder($params) {
+		$internalPath = $params['path'];
+		$mountPoint = self::$mountPoints[$params['storage']];
+		$path = self::$view->getRelativePath($mountPoint . $internalPath);
+		self::$eventSource->send('folder', $path);
 	}
-	if(isset($eventSource)) {
-		$eventSource->send('success', false);
-	} else {
-		exit;
+
+	static function file() {
+		self::$fileCount++;
+		if (self::$fileCount > self::$lastCount + 20) { //send a count update every 20 files
+			self::$lastCount = self::$fileCount;
+			self::$eventSource->send('count', self::$fileCount);
+		}
 	}
 }
-$eventSource->close();

apps/files/js/files.js

@@ -602,12 +602,8 @@ $(document).ready(function() {
 		});
 	});
 
-	//check if we need to scan the filesystem
-	$.get(OC.filePath('files','ajax','scan.php'),{checkonly:'true'}, function(response) {
-		if(response.data.done){
-			scanFiles();
-		}
-	}, "json");
+	//do a background scan if needed
+	scanFiles();
 
 	var lastWidth = 0;
 	var breadcrumbs = [];
@@ -676,27 +672,23 @@ $(document).ready(function() {
 	resizeBreadcrumbs(true);
 });
 
-function scanFiles(force,dir){
+function scanFiles(force, dir){
 	if(!dir){
-		dir='';
+		dir = '';
 	}
-	force=!!force; //cast to bool
-	scanFiles.scanning=true;
-	$('#scanning-message').show();
-	$('#fileList').remove();
-	var scannerEventSource=new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force:force,dir:dir});
-	scanFiles.cancel=scannerEventSource.close.bind(scannerEventSource);
-	scannerEventSource.listen('scanning',function(data){
-		$('#scan-count').text(t('files', '{count} files scanned', {count: data.count}));
-		$('#scan-current').text(data.file+'/');
+	force = !!force; //cast to bool
+	scanFiles.scanning = true;
+	var scannerEventSource = new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force:force,dir:dir});
+	scanFiles.cancel = scannerEventSource.close.bind(scannerEventSource);
+	scannerEventSource.listen('count',function(count){
+		console.log(count + 'files scanned')
+	});
+	scannerEventSource.listen('folder',function(path){
+		console.log('now scanning ' + path)
 	});
-	scannerEventSource.listen('success',function(success){
+	scannerEventSource.listen('done',function(count){
 		scanFiles.scanning=false;
-		if(success){
-			window.location.reload();
-		}else{
-			alert(t('files', 'error while scanning'));
-		}
+		console.log('done after ' + count + 'files');
 	});
 }
 scanFiles.scanning=false;