aufgeteilt in Module

routes/address.js

@@ -0,0 +1,33 @@
+import { getCollections } from '../db/mongo.js';
+
+export function registerAddressRoute(app, requireLogin) {
+  const ADDRESS_SERVICE_URL = process.env.ADDRESS_SERVICE_URL || 'https://noise.fuerst-stuttgart.de/srv/getaddress';
+
+  app.get('/api/address/:sensorNumber', requireLogin, async (req, res) => {
+    const sensorNumber = parseInt(req.params.sensorNumber, 10);
+    if (isNaN(sensorNumber)) {
+      return res.status(400).json({ error: 'Ungültige Sensornummer' });
+    }
+    const url = ADDRESS_SERVICE_URL + `?sensorid=${encodeURIComponent(sensorNumber)}`;
+    try {
+      const r = await fetch(url, { headers: { 'Accept': 'application/json' } });
+      if (!r.ok) {
+        return res.status(502).json({ error: `Adressdienst Fehler (${r.status})` });
+      }
+      const data = await r.json();
+      const addrObj = data?.erg?.address || data?.address || {};
+      const street = addrObj.street ?? '';
+      const plz    = addrObj.plz ?? '';
+      const city   = addrObj.city ?? '';
+      const rightPart = [plz, city].filter(Boolean).join(' ').trim();
+      const addressString = [street, rightPart].filter(Boolean).join(', ');
+      return res.json({
+        address: addressString,
+        parts: { street, plz, city }
+      });
+    } catch (err) {
+      console.error('Address lookup failed:', err);
+      return res.status(504).json({ error: 'Adressdienst nicht erreichbar' });
+    }
+  });
+}