feat: WebDAV Sync-Button - alle lokalen Dateien auf Synology kopieren

backend/src/routes/admin.js

@@ -226,4 +226,44 @@ router.post('/webdav/test', authenticate, requireAdmin, async (req, res) => {
   }
 });
 
+// ── WebDAV Sync: alle lokalen Dateien auf NAS kopieren ────────────────────
+router.post('/webdav/sync', authenticate, requireAdmin, async (req, res) => {
+  const webdav = require('../tools/dateien/webdav');
+  const path   = require('path');
+  const fs     = require('fs');
+  const UPLOAD_DIR = process.env.UPLOAD_DIR || '/data/uploads';
+
+  const cfg = webdav.getConfig();
+  if (!cfg.enabled) return res.status(400).json({ error: 'WebDAV nicht aktiviert' });
+
+  // Alle Dateien aus DB holen mit Username
+  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.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)) {
+      results.failed++;
+      results.errors.push(`${file.originalname}: lokale Datei fehlt`);
+      continue;
+    }
+    try {
+      const buf = fs.readFileSync(localPath);
+      const davPath = webdav.userPath(cfg, file.username) + '/' + file.originalname;
+      await webdav.uploadFile(buf, davPath, file.mimetype || 'application/octet-stream');
+      results.ok++;
+    } catch(e) {
+      results.failed++;
+      results.errors.push(`${file.originalname}: ${e.message}`);
+    }
+  }
+
+  res.json({ total: files.length, ...results });
+});
+
 module.exports = router;