feat: WebDAV Sync mit vollständiger Ordnerstruktur (user/ordner/unterordner/datei)

backend/src/tools/dateien/routes.js

@@ -200,11 +200,30 @@ router.post('/', authenticate, (req, res) => {
       .run(uid, req.file.filename, req.file.originalname, req.file.mimetype||'application/octet-stream', req.file.size, folderId);
     const newFile = db.prepare('SELECT f.*,u.username as owner FROM files f JOIN users u ON u.id=f.user_id WHERE f.id=?').get(r.lastInsertRowid);
 
-    // WebDAV: Datei asynchron spiegeln (Fehler ignorieren, lokale Kopie bleibt)
+    // WebDAV: Datei asynchron spiegeln mit Ordnerstruktur
     const cfg = webdav.getConfig();
     if (cfg.enabled) {
       const user = db.prepare('SELECT username FROM users WHERE id=?').get(uid);
-      const davPath = webdav.userPath(cfg, user.username) + '/' + req.file.originalname;
+      // Ordnerpfad auflösen
+      function getFolderPath(fid) {
+        if (!fid) return '';
+        const parts = [];
+        let cur = fid;
+        const seen = new Set();
+        while (cur) {
+          if (seen.has(cur)) break; seen.add(cur);
+          const fo = db.prepare('SELECT name, parent_id FROM folders WHERE id=?').get(cur);
+          if (!fo) break;
+          parts.unshift(fo.name.replace(/[/\\]/g, '_'));
+          cur = fo.parent_id;
+        }
+        return parts.join('/');
+      }
+      const folderPath = getFolderPath(folderId);
+      const userBase   = webdav.userPath(cfg, user.username);
+      const davPath    = folderPath
+        ? `${userBase}/${folderPath}/${req.file.originalname}`
+        : `${userBase}/${req.file.originalname}`;
       fs.readFile(path.join(UPLOAD_DIR, req.file.filename), (err, buf) => {
         if (!err) webdav.uploadFile(buf, davPath, req.file.mimetype).catch(e => console.error('[webdav upload]', e.message));
       });