Settings split according to chart

routes/api.js
   - check type of sensor
   - translate error message

app.js
   - debug = false at i18n

public/javascripts/chart_utilities.js
   - setter/getter for current Tab

public/javascripts/global.js
   - settings dialog completely rearranged
   - if only sensorid is given, check type

routes/index.js
   - set language to global variable

views/index.pug
   - reaggange settings dialog
   - translate 'Error'

views/layout.pug
   - load new datepicker (vanillajs-datepicker)

public/javascripts/map.js
   - fetching from server refactored to function
   - reenable tabs after leaving map

charts/preparecharts
   - typo

public/javascripts/showcharts.js
   - loadAll extended to  load also live and map

public/stylesheets/style.sass
   - a few changes for settinds dialog

locales/[de|en]
   - added a few words

charts/utilities.js
   - setter and getter for language

routes/api.js

@@ -1,6 +1,8 @@
 import express from 'express'
 import axios from 'axios'
 import * as prep from '../charts/preparecharts.js'
+import { getLanguage } from '../charts/utilities.js'
+import { translate as trans } from '../routes/index.js'
 
 const router = express.Router()
 
@@ -15,28 +17,28 @@ const disttable = [
 
 let APIHOST = process.env.APIHOST || 'http://localhost:3004'
 
+
 /* GET home page. */
 router.get('/:cmd', async function(req, res, next) {
-  req.i18n.changeLanguage(req.query.lng)
-  let l = req.i18n.resolvedLanguage
-  let txt = req.i18n.t('Settings')
+//  req.i18n.changeLanguage(req.query.lng)
   const cmd = req.params.cmd
+  const lng = getLanguage()
+  // console.log('api.js: cmd = ' + cmd + ', language = ' + lng)
   let url = APIHOST
-  if(isNaN(cmd)) {
-    url += req.originalUrl
-  } else {
-    // cmd is a number ==> sid
-    url += `getsensordata?sid=${cmd}`
-  }
+  url += (req.originalUrl + `&lng=${lng}`)
   try {
     const response = await axios(encodeURI(url));
     if (response.status !== 200) {
-      res.json({err: `Error from servercall: status = ${response.status}`})
+      res.json({err: `${trans('ESYSCALL')} status=${response.status}`})
     }
     if(response.data.err) {
       res.json(response.data)
       return
     }
+    if (cmd === 'getoneproperty') {
+        res.json(response.data)
+        return
+    }
     const options = response.data.options
     for(let x of disttable) {
       if (x.type === options.data) {
@@ -46,7 +48,7 @@ router.get('/:cmd', async function(req, res, next) {
       }
     }
   } catch (e) {
-    res.json({err: `Error from servercall: ${e}`})
+    res.json({err: `${trans('ESYSCALL')}  ${e}`})
   }
 })