feat: Sync legt alle Ordner an (inkl. leere), Upload-Freigaben in _Upload-Freigaben/

backend/src/routes/admin.js

@@ -247,21 +247,53 @@ router.post('/webdav/sync', authenticate, requireAdmin, async (req, res) => {
       visited.add(current);
       const folder = db.prepare('SELECT id, name, parent_id FROM folders WHERE id=?').get(current);
       if (!folder) break;
-      parts.unshift(folder.name.replace(/[/\\]/g, '_'));
+      parts.unshift(folder.name.replace(/[\/\\]/g, '_'));
       current = folder.parent_id;
     }
     return parts.join('/');
   }
 
-  // Alle Dateien aus DB holen mit Username und folder_id
+  const results = { folders: 0, ok: 0, failed: 0, errors: [] };
+
+  // ── Schritt 1: Alle User-Basisordner + Unterordner anlegen ───────────────
+  const users = db.prepare('SELECT id, username FROM users ORDER BY id').all();
+
+  for (const user of users) {
+    const userBase = webdav.userPath(cfg, user.username);
+
+    // User-Basisordner
+    try { await webdav.mkdirp(userBase); results.folders++; } catch(e) {
+      results.errors.push(`Ordner ${userBase}: ${e.message}`);
+    }
+
+    // Upload-Freigabe Ordner
+    try { await webdav.mkdirp(`${userBase}/_Upload-Freigaben`); results.folders++; } catch {}
+
+    // Alle DB-Ordner dieses Users (sortiert nach parent_id damit Parents zuerst)
+    const folders = db.prepare(`
+      WITH RECURSIVE tree AS (
+        SELECT id, name, parent_id, 0 as depth FROM folders WHERE user_id=? AND parent_id IS NULL
+        UNION ALL
+        SELECT f.id, f.name, f.parent_id, t.depth+1 FROM folders f JOIN tree t ON f.parent_id=t.id
+      ) SELECT * FROM tree ORDER BY depth, id
+    `).all(user.id);
+
+    for (const folder of folders) {
+      const folderPath = getFolderPath(folder.id);
+      const davPath = `${userBase}/${folderPath}`;
+      try { await webdav.mkdirp(davPath); results.folders++; } catch(e) {
+        results.errors.push(`Ordner ${davPath}: ${e.message}`);
+      }
+    }
+  }
+
+  // ── Schritt 2: Alle Dateien hochladen ────────────────────────────────────
   const files = db.prepare(`
     SELECT f.*, u.username FROM files f
     JOIN users u ON u.id = f.user_id
     ORDER BY f.user_id, f.folder_id, f.id
   `).all();
 
-  const results = { ok: 0, failed: 0, errors: [] };
-
   for (const file of files) {
     const localPath = path.join(UPLOAD_DIR, file.filename);
     if (!fs.existsSync(localPath)) {
@@ -284,7 +316,36 @@ router.post('/webdav/sync', authenticate, requireAdmin, async (req, res) => {
     }
   }
 
-  res.json({ total: files.length, ...results });
+  // ── Schritt 3: Upload-Freigabe Dateien ───────────────────────────────────
+  const uploadLogs = db.prepare(`
+    SELECT l.filename, l.originalname, l.mimetype, l.size,
+           s.user_id, u.username
+    FROM upload_share_logs l
+    JOIN upload_shares s ON s.id = l.share_id
+    JOIN users u ON u.id = s.user_id
+    WHERE l.filename IS NOT NULL
+  `).all();
+
+  for (const log of uploadLogs) {
+    const localPath = path.join(UPLOAD_DIR, log.filename);
+    if (!fs.existsSync(localPath)) continue;
+    try {
+      const buf = fs.readFileSync(localPath);
+      const userBase = webdav.userPath(cfg, log.username);
+      const davPath  = `${userBase}/_Upload-Freigaben/${log.originalname || log.filename}`;
+      await webdav.uploadFile(buf, davPath, log.mimetype || 'application/octet-stream');
+      results.ok++;
+    } catch(e) {
+      results.failed++;
+      results.errors.push(`Upload-Freigabe ${log.originalname}: ${e.message}`);
+    }
+  }
+
+  res.json({
+    total: files.length + uploadLogs.length,
+    ...results,
+    message: `${results.folders} Ordner angelegt, ${results.ok} Dateien kopiert, ${results.failed} fehlgeschlagen`
+  });
 });
 
 module.exports = router;

frontend/src/App.jsx

@@ -2818,7 +2818,7 @@ function WebDavSettings({ toast }) {
           {syncResult && !syncResult.error && (
             <div style={{padding:'10px 12px',background:'rgba(74,222,128,0.08)',border:'1px solid rgba(74,222,128,0.3)',borderRadius:8,fontFamily:'monospace',fontSize:11}}>
               <div style={{color:'#4ade80',marginBottom:4}}>
-                ✓ Sync abgeschlossen: {syncResult.ok}/{syncResult.total} erfolgreich
+                ✓ {syncResult.message || `Sync abgeschlossen: ${syncResult.ok}/${syncResult.total} Dateien`}
               </div>
               {syncResult.failed > 0 && (
                 <div style={{color:'#f87171'}}>