server.js 25.1 KB
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const fs = require('fs');
const http = require('http');
const https = require('https');
const express = require('express');
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const bodyParser = require('body-parser')
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// const request = require('ajax-request');
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// const request = require('request');
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const axios = require('axios');
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const app = express();
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app.use(bodyParser.urlencoded({ extended: false })) 
app.use(bodyParser.json())
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// Certificate
const privateKey = fs.readFileSync('/etc/letsencrypt/live/umfrage.smartvillages.online/privkey.pem', 'utf8');
const certificate = fs.readFileSync('/etc/letsencrypt/live/umfrage.smartvillages.online/cert.pem', 'utf8');
const ca = fs.readFileSync('/etc/letsencrypt/live/umfrage.smartvillages.online/chain.pem', 'utf8');
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const credentials = {
	key: privateKey,
	cert: certificate,
	ca: ca
};

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app.use(express.static('vcm'));
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// Starting both http & https servers
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// const httpServer = http.createServer(app);
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const httpsServer = https.createServer(credentials, app);

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// httpServer.listen(8081, () => {
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// 	console.log('HTTP Server running on port 80');
// });
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httpsServer.listen(8083, () => {
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	console.log('HTTPS Server running on port 443');
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});

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var minutesDifference
var hoursDifference
var secondsDifference
var daysDifference


function timeDifference(date11,date22) {
  var date2 = new Date(date11); 
  var date1 = new Date(date22); 
  var difference = date1 - date2

  daysDifference = Math.floor(difference/1000/60/60/24);
  difference -= daysDifference*1000*60*60*24

  hoursDifference = Math.floor(difference/1000/60/60);
  difference -= hoursDifference*1000*60*60

  minutesDifference = Math.floor(difference/1000/60);
  difference -= minutesDifference*1000*60

  secondsDifference = Math.floor(difference/1000);

  console.log('difference = ' + 
    daysDifference + ' day/s ' + 
    hoursDifference + ' hour/s ' + 
    minutesDifference + ' minute/s ' + 
    secondsDifference + ' second/s ');
}


function timeDifference1(date11,date22) {
  var date2 = new Date(date11); 
  var date1 = new Date(date22); 
  var difference = date1 - date2

  var minutesDifference1
  var hoursDifference1
  var secondsDifference1
  var daysDifference1

  daysDifference1 = Math.floor(difference/1000/60/60/24);
  difference -= daysDifference1*1000*60*60*24

  hoursDifference1 = Math.floor(difference/1000/60/60);
  difference -= hoursDifference1*1000*60*60

  minutesDifference1 = Math.floor(difference/1000/60);
  difference -= minutesDifference1*1000*60

  secondsDifference1 = Math.floor(difference/1000);

  console.log('difference = ' + 
    daysDifference1 + ' day/s ' + 
    hoursDifference1 + ' hour/s ' + 
    minutesDifference1 + ' minute/s ' + 
    secondsDifference1 + ' second/s ');
  var result = {"daysDifference":daysDifference1,
                "hoursDifference":hoursDifference1,
                "minutesDifference":minutesDifference1,
                "secondsDifference":secondsDifference1}
    return(result);
}


//===========================================================================================================================
//Final Version
//===========================================================================================================================
// ---- Traffic Flow ----
// - 3Parts -
// - get request from the html page
app.get('/TrafficFlow', async (req, res) => {
	console.log('command angekommen!')
  try{
	let APIout = await flow_getApiResponse('https://traffic.ls.hereapi.com/traffic/6.2/flow.json?prox=48.7823,9.1807,919&responseattributes=sh%2Cfc&apiKey=9Grm-6B7VRvxAnbf2eKw29gR-9uuJP8VaXXYR8LK93Y');
  
	let json_tf = await flow_buildTFLOWJson(APIout);
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	console.log(json_tf)
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	var json_tfs = {
	  "name":"flow" + "01",
	  "type":"FeatureCollection",
	  "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
	  "features": json_tf
	  
	};
	
	res.json(json_tfs)
  
  }catch (error) {
	console.log(error)
  }
  });
  // - request from the here API
  function flow_getApiResponse(url) {
	return new Promise(function (resolve, reject) {
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	  axios.get(url)
		.then(function (response) {
		  // handle success
		  console.log(response.data);
		  resolve(response.data);
		})
		.catch(function (error) {
		  // handle error
		  console.log(error);
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		  reject(error);
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		});
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	});
  }
  // - build geojson from response 
  function flow_buildTFLOWJson(inputData){
	return new Promise(function (resolve, reject) {
	try {
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	  var json_tflow = inputData
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	var JsonFeature = [];
	console.log(json_tflow.RWS[0].RW.length + "---- in flow func")
	var length = json_tflow.RWS[0].RW.length;
	
	// console.log(length);
  
	for (var i = 0; i<= length -1; i++){
	  var shplength = json_tflow.RWS[0].RW[i].FIS[0].FI[0].SHP.length;
  
	  // var type = accident.body.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_TYPE_DESC;
	  var mid = json_tflow.RWS[0].RW[i].mid;
	  var LI = json_tflow.RWS[0].RW[i].LI;
	  var DE = json_tflow.RWS[0].RW[i].DE;
	  var PBT = json_tflow.RWS[0].RW[i].PBT;
	  var TMC = json_tflow.RWS[0].RW[i].FIS[0].FI[0].TMC;
	  var CF = json_tflow.RWS[0].RW[i].FIS[0].FI[0].CF[0];
  
	  var locationshp = [];
	  for (var j = 0; j <= shplength - 1; j++ ){
		var value = json_tflow.RWS[0].RW[i].FIS[0].FI[0].SHP[j].value[0];
		// console.log(value[0])
  
  
		var splitvalue = [];
		splitvalue = value.split(" ");
		// console.log(splitvalue.length)
		var coord = [];
		for (var k = 0; k <= splitvalue.length -2; k++){
		  var latlon = [];
		  latlon = splitvalue[k].split(",");
		  var lat = latlon[0];
		  var lon = latlon[1];
		  coord.push([parseFloat(lon),parseFloat(lat)])
		}
		// var FC = accident.body.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].LOCATION.GEOLOC.ORIGIN.LONGITUDE;
		locationshp.push(coord)
		// console.log(value)
	  }
	  if (CF.JF){
		// console.log("CF.JF -- " + CF.JF)
	  } 
	  
	  
	  if ((CF.JF >= 3) ){
  
		JsonFeature.push({
  
		  "type":"Feature",
		  "properties": { "id": mid, "name": "linestring" , "LI": LI, "DE": DE, "PBT":PBT, "TMC":TMC, "CF":CF},
		  "geometry":{
			  "type":"MultiLineString",
			  "coordinates":  locationshp
			},
			"vcsMeta": {
			  "style": {
				"type": "vector",
				"stroke": {
				  "color": [
					153,
					0,
					0,
					1
				  ],
				  "width": 2,
				  "lineDash": null
				}
			  }
			}
		  }) 
	  } else if ((CF.JF <3 && CF.JF >= 2) ){
		JsonFeature.push({
  
		  "type":"Feature",
		  "properties": { "id": mid, "name": "linestring" , "LI": LI, "DE": DE, "PBT":PBT, "TMC":TMC, "CF":CF},
		  "geometry":{
			  "type":"MultiLineString",
			  "coordinates":  locationshp
			},
			"vcsMeta": {
			  "style": {
				"type": "vector",
				"stroke": {
				  "color": [
					255,
					153,
					51,
					1
				  ],
				  "width": 2,
				  "lineDash": null
				}
			  }
			}
		  }) 
	  } else if ((CF.JF <2 && CF.JF >= 1)){
		JsonFeature.push({
  
		  "type":"Feature",
		  "properties": { "id": mid, "name": "linestring" , "LI": LI, "DE": DE, "PBT":PBT, "TMC":TMC, "CF":CF},
		  "geometry":{
			  "type":"MultiLineString",
			  "coordinates":  locationshp
			},
			"vcsMeta": {
			  "style": {
				"type": "vector",
				"stroke": {
				  "color": [
					230,
					230,
					0,
					1
				  ],
				  "width": 2,
				  "lineDash": null
				}
			  }
			}
		  }) 
	  } else if ((CF.JF < 1)){
		JsonFeature.push({
  
		  "type":"Feature",
		  "properties": { "id": mid, "name": "linestring" , "LI": LI, "DE": DE, "PBT":PBT, "TMC":TMC, "CF":CF},
		  "geometry":{
			  "type":"MultiLineString",
			  "coordinates":  locationshp
			},
			"vcsMeta": {
			  "style": {
				"type": "vector",
				"stroke": {
				  "color": [
					0,
					153,
					0,
					1
				  ],
				  "width": 2,
				  "lineDash": null
				}
			  }
			}
		  }) 
	  }
	};
	resolve(JsonFeature)
	}catch(error){ reject(error)}
  
   
  
	});
  
  };
  
  
  // ---- Accidents ----
  // - 3Parts -
  // - get request from the html page
  app.get('/CONSTRUCTION', async (req, res) => {
	console.log('Construction angekommen!')
  try{
	let APIout = await CON_getApiResponse('https://traffic.ls.hereapi.com/traffic/6.3/incidents.json?apiKey=9Grm-6B7VRvxAnbf2eKw29gR-9uuJP8VaXXYR8LK93Y&bbox=48.790,9.139;48.771,9.239');
	
	let json_con = await CON_buildTFLOWJson(APIout,"CONSTRUCTION");
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	// console.log(json_con)
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	var json_cons = {
	  "name":"incident" + "01",
	  "type":"FeatureCollection",
	  "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
	  "features": json_con
	  
	};
	res.json(json_cons)
  }catch (error) {
	console.log(error)
  }
	  
  });
  app.get('/ROAD_CLOSURE', async (req, res) => {
	console.log('Construction angekommen!')
  try{
	let APIout = await CON_getApiResponse('https://traffic.ls.hereapi.com/traffic/6.3/incidents.json?apiKey=9Grm-6B7VRvxAnbf2eKw29gR-9uuJP8VaXXYR8LK93Y&bbox=48.790,9.139;48.771,9.239');
	
	let json_con = await CON_buildTFLOWJson(APIout,"ROAD_CLOSURE");
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	// console.log(json_con)
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	var json_cons = {
	  "name":"incident" + "01",
	  "type":"FeatureCollection",
	  "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
	  "features": json_con
	  
	};
	res.json(json_cons)
  }catch (error) {
	console.log(error)
  }
	  
  });
  // - request from the here API
  function CON_getApiResponse(url) {
	return new Promise(function (resolve, reject) {
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	  console.log(url)
	  axios.get(url)
		.then(function (response) {
		  // handle success
		  // console.log(response.data);
		  resolve(response.data);
		})
		.catch(function (error) {
		  // handle error
		  // console.log(error);
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		  reject(error);
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		});
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	});
  }
  // - build geojson from response 
  function CON_buildTFLOWJson(inputData,type){
	return new Promise(function (resolve, reject) {
	try {
	  var JsonFeature = [];
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	  var json_acc = inputData
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	  var length = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM.length;
	  // console.log(length)
	  for (var i = 0; i <= length - 1; i++){
	
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		 //console.log(json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i])
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		var lat = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].LOCATION.GEOLOC.ORIGIN.LATITUDE;
		var lon = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].LOCATION.GEOLOC.ORIGIN.LONGITUDE;
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		//  var type = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_TYPE_DESC;
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		var id = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_ID;
		var origid = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].ORIGINAL_TRAFFIC_ITEM_ID;
		var TRAFFIC_ITEM_DESCRIPTION = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_DESCRIPTION;
		var COMMENTS = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].COMMENTS;
		var CRITICALITY = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].CRITICALITY;
		var VERIFIED = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].VERIFIED;
		var TRAFFIC_ITEM_TYPE_DESC = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_TYPE_DESC;
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		console.log(TRAFFIC_ITEM_TYPE_DESC)
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		var TRAFFIC_ITEM_STATUS_SHORT_DESC  = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_STATUS_SHORT_DESC;
		var TRAFFIC_ITEM_DETAIL = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].TRAFFIC_ITEM_DETAIL;
		var START_TIME = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].START_TIME;
		var LOCATION = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].LOCATION;
		var ENTRY_TIME = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].ENTRY_TIME;
		var END_TIME = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].END_TIME;
		var ABBREVIATION = json_acc.TRAFFIC_ITEMS.TRAFFIC_ITEM[i].ABBREVIATION;
	
		if (type == 'CONSTRUCTION'){
	
		  // console.log(i)
	
	  
		  if (TRAFFIC_ITEM_TYPE_DESC == "CONSTRUCTION"){
		   JsonFeature.push({
			"type":"Feature",
			"properties": { "id": id, "name": "datapoint" , "original_traffic_id": origid, "TRAFFIC_ITEM_DESCRIPTION": TRAFFIC_ITEM_DESCRIPTION, "COMMENTS":COMMENTS, "CRITICALITY":CRITICALITY, 
			"VERIFIED":VERIFIED,"TRAFFIC_ITEM_TYPE_DESC":TRAFFIC_ITEM_TYPE_DESC, "TRAFFIC_ITEM_STATUS_SHORT_DESC":TRAFFIC_ITEM_STATUS_SHORT_DESC, "TRAFFIC_ITEM_DETAIL":TRAFFIC_ITEM_DETAIL,
			"START_TIME":START_TIME, "LOCATION":LOCATION, "ENTRY_TIME":ENTRY_TIME, "END_TIME":END_TIME, "ABBREVIATION":ABBREVIATION},
			"geometry":{
				"type":"MultiPoint",
				"coordinates": [ [lon, lat]]
			  }
			}) 
		  }
		  
	
		} else if (type == "ROAD_CLOSURE"){
	
		  if (TRAFFIC_ITEM_TYPE_DESC == "ROAD_CLOSURE"){
			JsonFeature.push({
			 "type":"Feature",
			 "properties": { "id": id, "name": "datapoint" , "original_traffic_id": origid, "TRAFFIC_ITEM_DESCRIPTION": TRAFFIC_ITEM_DESCRIPTION, "COMMENTS":COMMENTS, "CRITICALITY":CRITICALITY, 
			 "VERIFIED":VERIFIED,"TRAFFIC_ITEM_TYPE_DESC":TRAFFIC_ITEM_TYPE_DESC, "TRAFFIC_ITEM_STATUS_SHORT_DESC":TRAFFIC_ITEM_STATUS_SHORT_DESC, "TRAFFIC_ITEM_DETAIL":TRAFFIC_ITEM_DETAIL,
			 "START_TIME":START_TIME, "LOCATION":LOCATION, "ENTRY_TIME":ENTRY_TIME, "END_TIME":END_TIME, "ABBREVIATION":ABBREVIATION},
			 "geometry":{
				 "type":"MultiPoint",
				 "coordinates": [ [lon, lat]]
			   }
			 }) 
		   }
		}
	
	  }
	resolve(JsonFeature)
	}catch(error){ reject(error)}
  
   
  
	});
  
  };
  
  
  // ---- Navpoint ----
  // - receive coordinates and return a geojson
  app.get('/addPoint', async (req, res) => {
	try {
	  var data = req.query;
	  var Punktadd = {
		"type":"FeatureCollection",
		"name":"data_point",
		"crs":{
		   "type":"name",
		   "properties":{
			  "name":"urn:ogc:def:crs:OGC:1.3:CRS84"
		   }
		},
		"features":[
		   {
			  "type":"Feature",
			  "properties":{
				 "id":null,
				 "name":"datapoint",
				 "loc": data.sloc
			  },
			  "geometry":{
				 "type":"Point",
				 "coordinates":[
				  parseFloat(parseFloat(data.slon).toFixed(7)),
				  parseFloat(parseFloat(data.slat).toFixed(7))
				 ]
			  }
		   }
		]
	 }
	 res.json(Punktadd);
  
	}  catch (error) {
	  console.log(error)
	}
	  
  });
  
  
  // http://localhost:8083/Routecalc2?slat=48.68997020356071&slon=9.202611390575258&sloc=Start&elat=48.726559406813294&elon=9.113775973868089&eloc=End
  // ---- Route Berechnen Test ----
  app.get('/Routecalc2', async (req, res) => {
	console.log('command angekommen ////// Route/////!')
	const pointData = req.query;
	console.log(pointData);
	try {
	  let APIout = await CON_getApiResponse('https://router.hereapi.com/v8/routes?transportMode=car&origin='+ pointData.slat + ',' + pointData.slon + '&destination=' + pointData.elat + ',' + pointData.elon +  '&return=polyline&apiKey=9Grm-6B7VRvxAnbf2eKw29gR-9uuJP8VaXXYR8LK93Y');
  
	  console.log(APIout)
	  let json_route = await Route_buildJson(APIout);
	  console.log(json_route)
	  var json_routes = {
		"name":"navcar" + "01",
		"type":"FeatureCollection",
		"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
		"features": json_route
	  };
	   
	  console.log(json_routes);
	  console.log('.../route calc successful!');
	  res.json(json_routes);
	}
	catch (err) {
		console.log('.../loadSetP failed!\n' + err);
	}
  
  });
  // - build geojson for Car Routing
  function Route_buildJson(inputData){
	return new Promise(function (resolve, reject) {
	try {
	  var JsonFeature = [];
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	  var json_route = inputData
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	  var pol = polycalc.decode(json_route.routes[0].sections[0].polyline)
	  var length = pol.polyline.length;
	  
	  // console.log(length);
	  var id = json_route.routes[0].id;
	  var mid = json_route.routes[0].sections[0].id;
	  var transport = json_route.routes[0].sections[0].transport.mode;
	  var departureTime = json_route.routes[0].sections[0].departure.time;
	  var departureOriglat = json_route.routes[0].sections[0].departure.place.originalLocation.lat;
	  // console.log(departureOriglat)
	  var departureOriglon = json_route.routes[0].sections[0].departure.place.originalLocation.lng;
	  // console.log(departureOriglon)
	  var departurelat = json_route.routes[0].sections[0].departure.place.location.lat;
	  var departurelon = json_route.routes[0].sections[0].departure.place.location.lng;
	  var arrivalTime = json_route.routes[0].sections[0].arrival.time;
	  var arrivalOriglat = json_route.routes[0].sections[0].arrival.place.originalLocation.lat;
	  var arrivalOriglon = json_route.routes[0].sections[0].arrival.place.originalLocation.lng;
	  var arrivallat = json_route.routes[0].sections[0].arrival.place.location.lat;
	  var arrivallon = json_route.routes[0].sections[0].arrival.place.location.lng;
	 
	  var departure = [];
	  departure.push([parseFloat(parseFloat(departureOriglon).toFixed(5)),parseFloat(parseFloat(departureOriglat).toFixed(5))]);
	  departure.push([parseFloat(parseFloat(departurelon).toFixed(5)),parseFloat(parseFloat(departurelat).toFixed(5))])
	
	  timeDifference(departureTime,arrivalTime);
	
	
	  JsonFeature.push({
	
		"type":"Feature",
		"properties": { "id": id, "name": "linestring" ,"transport": transport,"departureTime": departureTime, "daysDifference": daysDifference, "hoursDifference": hoursDifference, "minutesDifference" : minutesDifference, "secondsDifference": secondsDifference},
		"geometry":{
			"type":"LineString",
			"coordinates":  departure
		  },
		  "vcsMeta": {
			"style": {
			  "type": "vector",
			  "stroke": {
				"color": [
				  30,144,255,
				  1
				],
				"width": 3,
				"lineDash": null
			  }
			}
		  }
		}) 
	
	  var arrival = [];
	  arrival.push([parseFloat(parseFloat(arrivalOriglon).toFixed(5)),parseFloat(parseFloat(arrivalOriglat).toFixed(5))]);
	  arrival.push([parseFloat(parseFloat(arrivallon).toFixed(5)),parseFloat(parseFloat(arrivallat).toFixed(5))])
		// console.log(arrival)
	  JsonFeature.push({
	
		"type":"Feature",
		"properties": { "id": id, "name": "linestring" ,"transport": transport,"arrivalTime": arrivalTime,"departureTime": departureTime, "daysDifference": daysDifference, "hoursDifference": hoursDifference, "minutesDifference" : minutesDifference, "secondsDifference": secondsDifference},
		"geometry":{
			"type":"LineString",
			"coordinates":  arrival
		  },
		  "vcsMeta": {
			"style": {
			  "type": "vector",
			  "stroke": {
				"color": [
				  30,144,255,
				  1
				],
				"width": 3,
				"lineDash": null
			  }
			}
		  }
		}) 
	
	
		var pline = [];
		var length = pol.polyline.length;
	
		for (var i = 0; i<= length -1; i++){
		  pline.push([parseFloat(parseFloat(pol.polyline[i][1]).toFixed(5)),parseFloat(parseFloat(pol.polyline[i][0]).toFixed(5))])
		}
	  JsonFeature.push({
	
		"type":"Feature",
		"properties": { "id": id, "name": "linestring" ,"transport": transport,"departureTime": departureTime, "daysDifference": daysDifference, "hoursDifference": hoursDifference, "minutesDifference" : minutesDifference, "secondsDifference": secondsDifference},
		"geometry":{
			"type":"LineString",
			"coordinates":  pline
		  },
		  "vcsMeta": {
			"style": {
			  "type": "vector",
			  "stroke": {
				"color": [
				  199,21,133,
				  1
				],
				"width": 4,
				"lineDash": null
			  }
			}
		  }
		}) 
	
	  // console.log(JsonFeature)
	
	
	
	
	resolve(JsonFeature)
	}catch(error){ reject(error)}
  
   
  
	});
  
  };
  // ---- Route Offis Berechnen Test ----
  app.get('/navPublicT2', async (req, res) => {
	console.log('command angekommen ////// Route/////!')
	const pointData = req.query;
	console.log(pointData);
	try {
	  let APIout = await CON_getApiResponse('https://transit.router.hereapi.com/v8/routes?origin='+ parseFloat(parseFloat(pointData.slat).toFixed(5)) + ',' + parseFloat(parseFloat(pointData.slon).toFixed(5)) + '&destination=' + parseFloat(parseFloat(pointData.elat).toFixed(5)) + ',' + parseFloat(parseFloat(pointData.elon).toFixed(5)) +  '&return=polyline&apiKey=9Grm-6B7VRvxAnbf2eKw29gR-9uuJP8VaXXYR8LK93Y');
  
	  console.log(APIout)
	  let json_pub = await Route_PublicbuildJson(APIout);
	  console.log(json_pub)
	  // navPublicjson = {
	  //   "name":"navPublic" + "01",
	  //   "type":"FeatureCollection",
	  //   "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
	  //   "features": buildNavPublic()
		
	  // };
	  var json_public = {
		"name":"navPublic" + "01",
		"type":"FeatureCollection",
		"crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } },
		"features": json_pub
	  };
	   
	  console.log(json_public);
	  console.log('.../route calc successful!');
	  res.json(json_public);
	}
	catch (err) {
		console.log('.../loadSetP failed!\n' + err);
	}
  
  });
  
  // - build geojson for Public Routing
  function Route_PublicbuildJson(inputData){
	return new Promise(function (resolve, reject) {
	try {
	  var JsonFeature = [];
	  // var pol = polycalc.decode(navcar.body.routes[0].sections[0].polyline)
	  // var length = pol.polyline.length;
	  
	  // console.log(length);
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	  var json_public = inputData
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	  var id = json_public.routes[0].id;
	
	  var length = json_public.routes[0].sections.length;
	  console.log("length of Sections: " + length)
	  for (var i = 0; i<= length -1; i++){
		console.log(i)
		if (json_public.routes[0].sections[i].type == "pedestrian"){
		  console.log("pedestrian")
			var section = json_public.routes[0].sections[i]
			var agencyid = section.id;
			var agencyname = section.name;
			var arrivaltime = section.arrival.time;
			var arrivalplace = section.arrival.place;
			var departuretime = section.departure.time;
			var departureplace = section.departure.place;
			var transportInfo = section.transport;
	
			var pol = polycalc.decode(section.polyline)
			var pollength = pol.polyline.length;
			var timedifference = timeDifference1(departuretime,arrivaltime);
			var pline = [];
				
			for (var j = 0; j<= pollength -1; j++){
			  pline.push([parseFloat(parseFloat(pol.polyline[j][1]).toFixed(5)),parseFloat(parseFloat(pol.polyline[j][0]).toFixed(5))])
			}
	
		JsonFeature.push({
	
		  "type":"Feature",
		  "properties": { "id": agencyid,"agencyName":agencyname, "name": "linestring" ,"type": "pedestrian","transportInfo":transportInfo,"arrivalTime": arrivaltime,"arrivalPlace": arrivalplace,"departureTime": departuretime,"departurePlace": departureplace, "daysDifference": timedifference.daysDifference, "hoursDifference": timedifference.hoursDifference, "minutesDifference" : timedifference.minutesDifference, "secondsDifference": timedifference.secondsDifference},
		  "geometry":{
			  "type":"LineString",
			  "coordinates":  pline
			},
			"vcsMeta": {
			  "style": {
				"type": "vector",
				"stroke": {
				  "color": [
					30,144,255,
					1
				  ],
				  "width": 3,
				  "lineDash": null
				}
			  }
			}
		  })
		  console.log(JsonFeature)
		} else if (json_public.routes[0].sections[i].type == "transit"){
			console.log("transit")
			var section = json_public.routes[0].sections[i]
			var agencyid = section.id;
			var agencyname = section.name;
			var arrivaltime = section.arrival.time;
			var arrivalplace = section.arrival.place;
			var departuretime = section.departure.time;
			var departureplace = section.departure.place;
			var transportInfo = section.transport;
	
			var pol = polycalc.decode(section.polyline)
			var pollength = pol.polyline.length;
			var timedifference = timeDifference1(departuretime,arrivaltime);
			var pline = [];
				
			for (var j = 0; j<= pollength -1; j++){
			  pline.push([parseFloat(parseFloat(pol.polyline[j][1]).toFixed(5)),parseFloat(parseFloat(pol.polyline[j][0]).toFixed(5))])
			}
	
		JsonFeature.push({
	
		  "type":"Feature",
		  "properties": { "id": agencyid,"agencyName":agencyname, "name": "linestring" ,"type": "transit","transportInfo":transportInfo,"arrivalTime": arrivaltime,"arrivalPlace": arrivalplace,"departureTime": departuretime,"departurePlace": departureplace, "daysDifference": timedifference.daysDifference, "hoursDifference": timedifference.hoursDifference, "minutesDifference" : timedifference.minutesDifference, "secondsDifference": timedifference.secondsDifference},
		  "geometry":{
			  "type":"LineString",
			  "coordinates":  pline
			},
			"vcsMeta": {
			  "style": {
				"type": "vector",
				"stroke": {
				  "color": [
					255,140,0,
					1
				  ],
				  "width": 4,
				  "lineDash": null
				}
			  }
			}
		  }) 
		  console.log(JsonFeature)
		}
	  
	 
	  }
	
	
	
	resolve(JsonFeature)
	}catch(error){ reject(error)}
  
   
  
	});
  
  };
  
  // ---- Noise Real Time ----
  // - 3Parts -
  // - get request from the html page
  app.get('/NoiseRealTime', async (req, res) => {
	console.log('command angekommen!')
  try{
	let APIout = await flow_getApiResponse('https://data.sensor.community/airrohr/v1/sensor/49368/');
  
	console.log(APIout);
  
	
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	res.json((APIout));
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  }catch (error) {
	console.log(error)
  }
  });
  
  // ---- Historic Noise Data ----
  // ---- Trial Version from PostgreSQL ----
  const pgp = require('pg-promise')({
	// Initialization Options 
  });
  
  const connection = {
  
	user: 'postgres', 																		// name of the user account
	database: 'NoiseSensorData', 																	// name of the database
	password: 'ahpk94meteor', 																	// env var: PGPASSWORD 
	host: '193.196.38.112', 				// Server hosting the postgres database (host: '35.187.21.114')
	port: 5432, 																				// env var: PGPORT 
	max: 10, 																					// max number of clients in the pool
	idleTimeoutMillis: 30000 																	// how long a client is allowed to remain idle before being closed
  
  }
  
  const db = pgp(connection);
  console.log('successful connected to DB: NoiseSensorData!')
  
  app.post('/getNoiseHist', function (req, res) {
   
	try {
	
		const data = req.body;
	// = "select sensor_id from public.noisesensor;"
  
	let query_string = " SELECT   * FROM   noisesensors  ORDER BY timestamp ASC;"
	  // query_string += "from noisesensor;"; 
  
	console.log(query_string)
	// request the data rsr
	db.result(query_string)
	.then(result => {
	  res.json(result.rows);
	})
	.catch(error => {
	  console.log('ERROR:', error);
	});			
	console.log('.../getNoiseHist successful!');
	}
  
	catch (err) {
		console.log('.../getNoiseHist failed!\n' + err);
	}
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  });