Sprach- und Stadt-Wechsel geht wieder

routes/index.js

@@ -1,5 +1,5 @@
 import express from 'express'
-import pkg from  '../package.json' assert { type: "json" }
+import pkg from '../package.json' assert { type: "json" }
 import { setLanguage } from '../charts/utilities.js'
 
 const router = express.Router()
@@ -7,15 +7,15 @@ const { name, version, date } = pkg
 
 const renderOpts = (sid, cat) => {
   let tit = 'Feinstaub'
-  if(cat === 'multigeiger') {
+  if (cat === 'multigeiger') {
     tit = 'Geiger'
-  } else   if (cat == 'noise') {
+  } else if (cat == 'noise') {
     tit = 'Noise'
   }
   return {
     title: tit,
     version: version,
-    date: date.slice(0,10),
+    date: date.slice(0, 10),
     csensor: sid,
     category: cat
   }
@@ -28,7 +28,7 @@ const translate = (x) => {
 }
 
 const getIndex = (cat) => {
-  if (cat == 'noise'){
+  if (cat == 'noise') {
     return 'index_noise'
   } else if (cat === 'multigeiger') {
     return 'index_geiger'
@@ -39,10 +39,10 @@ const getIndex = (cat) => {
 /* GET home page. If there is no parameter 'lng=xx', check stored language and call
 te page again with correct language (chglang.js))
 */
-router.get('/', function(req, res, next) {
-//  req.i18n.changeLanguage('de')
-  if(req.query.lng === undefined) {
-    res.render('chglang')
+router.get('/', function (req, res, next) {
+  //  req.i18n.changeLanguage('de')
+  if (req.query.lng === undefined) {
+    res.render('chglang', {sensorid: ''})
   } else {
     i18n = req.i18n
     let opts = renderOpts(-1, req.app.get('category'))
@@ -58,17 +58,22 @@ router.get('/', function(req, res, next) {
 // })
 
 
-router.get('/:sid', async function(req, res, next) {
+router.get('/:sid', async function (req, res, next) {
   const sid = req.params.sid
   let opts
-  if(isNaN(sid)) {
-    opts = renderOpts(-1, req.app.get('category'))
+  if (req.query.lng === undefined) {
+    res.render('chglang', { sensorid: sid })
   } else {
-    opts = renderOpts(sid, req.app.get('category'))
+    i18n = req.i18n
+    if (isNaN(sid)) {
+      opts = renderOpts(-1, req.app.get('category'))
+    } else {
+      opts = renderOpts(sid, req.app.get('category'))
+    }
+    res.render(getIndex(opts.category), opts)
   }
-  res.render(getIndex(opts.category), opts)
 })
 
 //export default router
 
-export  { router, translate }
+export { router, translate }