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server.js

@@ -12,6 +12,7 @@ const adminConfig = require('./services/adminConfig');
 const { readNotificationSettings, writeNotificationSettings } = require('./services/userSettingsStore');
 const notificationService = require('./services/notificationService');
 const { readStoreWatch, writeStoreWatch } = require('./services/storeWatchStore');
+const { readPreferences, writePreferences } = require('./services/userPreferencesStore');
 
 const ONE_YEAR_MS = 365 * 24 * 60 * 60 * 1000;
 const adminEmail = (process.env.ADMIN_EMAIL || '').toLowerCase();
@@ -463,6 +464,35 @@ app.post('/api/store-watch/subscriptions', requireAuth, (req, res) => {
   res.json({ success: true, stores: persisted });
 });
 
+app.get('/api/user/preferences', requireAuth, (req, res) => {
+  const preferences = readPreferences(req.session.profile.id);
+  res.json(preferences);
+});
+
+app.post('/api/user/preferences/location', requireAuth, (req, res) => {
+  const { lat, lon } = req.body || {};
+  if (lat === null || lon === null || lat === undefined || lon === undefined) {
+    const updated = writePreferences(req.session.profile.id, { location: null });
+    return res.json({ location: updated.location });
+  }
+  const parsedLat = Number(lat);
+  const parsedLon = Number(lon);
+  if (
+    !Number.isFinite(parsedLat) ||
+    !Number.isFinite(parsedLon) ||
+    parsedLat < -90 ||
+    parsedLat > 90 ||
+    parsedLon < -180 ||
+    parsedLon > 180
+  ) {
+    return res.status(400).json({ error: 'Ungültige Koordinaten' });
+  }
+  const updated = writePreferences(req.session.profile.id, {
+    location: { lat: parsedLat, lon: parsedLon }
+  });
+  res.json({ location: updated.location });
+});
+
 app.get('/api/config', requireAuth, (req, res) => {
   const config = readConfig(req.session.profile.id);
   res.json(config);