Alte Version abgeändert auf neue Datebank /-Struktur).
This commit is contained in:
294
routes/mapdata.js
Executable file
294
routes/mapdata.js
Executable file
@@ -0,0 +1,294 @@
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"use strict";
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var express = require('express');
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var router = express.Router();
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var moment = require('moment');
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const axios = require('axios');
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let $ = require('jquery');
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var fs = require('fs');
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process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
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// URL to get coordinates for cities
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const NOMINATIM_URL="https://nominatim.openstreetmap.org/search?format=json&limit=3&q=";
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// Mongo wird in app.js geöffnet und verbunden und bleibt immer verbunden !!
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// Fetch the actual out of the dbase
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router.get('/getaktdata/', async function (req, res) {
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var db = req.app.get('dbase'); // db wird in req übergeben (von app.js)
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let box = req.query.box;
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let poly = [];
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var collection = db.collection('properties'); // Using properties collection now
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var aktData = []; // hier die daten sammeln
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var now = moment(); // akt. Uhrzeit
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var lastDate = 0;
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let south=null,north=null,east=null,west=null;
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let loc = {};
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if(req.query.poly != undefined) {
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poly = JSON.parse(req.query.poly);
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}
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if (!((box == "") || (box == undefined))) {
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south = parseFloat(box[0][1]);
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north = parseFloat(box[1][1]);
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east = parseFloat(box[1][0]);
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west = parseFloat(box[0][0]);
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console.log("getaktdata: S=", south, " N=", north, " E=", east, " W=", west)
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}
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console.log("getaktdata: now fetching data from DB");
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// Build geo query - location is now in location array (last element)
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if(poly.length != 0) {
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loc = {
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'location.loc': {
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$geoWithin: {
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$geometry: {
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type: "Polygon",
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coordinates: [poly],
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}
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}
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},
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type: 'radioactivity' // Only radiation sensors for map
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}
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} else if (south !== null) {
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loc = {
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'location.loc': {
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$geoWithin: {
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$box: [
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[west, south],
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[east, north]
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]
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}
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},
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type: 'radioactivity' // Only radiation sensors for map
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}
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} else {
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loc = {
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type: 'radioactivity' // Only radiation sensors for map
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}
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}
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try {
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let docs = await collection.find(loc).toArray();
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if (docs == null) {
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console.log("getaktdata: docs==null");
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res.json({"avgs": [], "lastDate": null});
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return;
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}
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console.log("getaktdata: data fetched, length=",docs.length);
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for (var i = 0; i < docs.length; i++) {
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var item = docs[i];
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// Skip if no values or no location
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if (!item.values || !item.location || item.location.length === 0) {
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continue;
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}
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// Get current location (last in array)
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let currentLoc = item.location[item.location.length - 1];
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// Get current name (last in array)
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let currentName = item.name;
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if (Array.isArray(item.name)) {
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currentName = item.name[item.name.length - 1].name;
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}
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var oneAktData = {};
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oneAktData['location'] = currentLoc.loc.coordinates;
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oneAktData['id'] = item._id;
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// Handle timestamp - might be in $date format
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let timestamp = item.values.timestamp;
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if (timestamp && timestamp.$date) {
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timestamp = new Date(timestamp.$date);
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} else {
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timestamp = new Date(timestamp);
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}
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oneAktData['lastSeen'] = timestamp;
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// Extract sensor type from name (e.g., "Radiation SBM-20" -> "SBM-20")
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oneAktData['name'] = currentName.replace('Radiation ', '');
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// indoor is now a number (0 or 1)
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oneAktData['indoor'] = currentLoc.indoor === 1;
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var dt = timestamp;
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if ((now - dt) >= (7 * 24 * 3600 * 1000)) { // älter als 1 Woche ->
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oneAktData['cpm'] = -2; // -2 zurückgeben
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} else if ((now - dt) >= (2 * 3600 * 1000)) { // älter als 2 Stunde ->
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oneAktData['cpm'] = -1; // -1 zurückgeben
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} else {
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oneAktData['cpm'] = -5; // bedeutet -> nicht anzeigen
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if (item.values.hasOwnProperty('counts_per_minute')) {
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oneAktData['cpm'] = item.values.counts_per_minute.toFixed(0); // und merken
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}
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if (dt > lastDate) {
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lastDate = dt;
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}
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}
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aktData.push(oneAktData); // dies ganzen Werte nun in das Array
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}
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res.json({"avgs": aktData, "lastDate": lastDate}); // alles bearbeitet -> Array senden
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}
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catch(e) {
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console.log("Problem mit getaktdata", e);
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res.json({"avgs": [], "lastDate": null});
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return;
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}
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});
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/* ===============================================================
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// AKW (Nuclear Power Plant) FUNCTIONS - COMMENTED OUT FOR NOW
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// Will be needed later, so not deleting
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// ===============================================================
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// Fetch all akw data out of the dbase
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router.get('/getakwdata/', async function (req, res) {
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const db = req.app.get('dbase'); // db wird in req übergeben (von app.js)
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let collection = db.collection('akws'); // die 'korrelation' verwenden
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let erg = [];
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let docs = [];
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console.log("getakwdata: now fetching data from DB");
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try {
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docs = await collection.find().toArray(); // find all
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if (docs == null) {
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console.log("getakwdata: docs==null");
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res.json(erg);
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return;
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}
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console.log("getawkdata: data fetched from akws, length=",docs.length);
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for (var i = 0; i < docs.length; i++) {
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var item = docs[i];
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var oneAktData = {};
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oneAktData['location'] = {
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type: 'Point',
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coordinates: [item.lon, item.lat]
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};
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oneAktData['name'] = item.Name;
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oneAktData['active'] = item.Status == 'aktiv';
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oneAktData['start'] = item.Baujahr;
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oneAktData['end'] = item.Stillgeleg;
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oneAktData['type'] = item.Status === 'aktiv' ? 'akw_a' : 'akw_s';
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oneAktData['link'] = item.Wiki_Link;
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erg.push(oneAktData); // dies ganzen Werte nun in das Array
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}
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collection = db.collection('th1_akws');
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docs = await collection.find().toArray();
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if (docs == null) {
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console.log("getakwdata: docs==null");
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res.json(erg);
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return;
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}
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console.log("getawkdata: data fetched from th_akws, length=", docs.length);
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for (let i = 0; i < docs.length; i++) {
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const item = docs[i];
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let oneAktData = {};
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let loc = item.geo.substr(6).split(' ');
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let lon = parseFloat(loc[0]);
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let lat = parseFloat(loc[1]);
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oneAktData['location'] = {
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type: 'Point',
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coordinates: [lon, lat]
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};
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oneAktData['name'] = item.name;
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oneAktData['typeText'] = item.types;
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oneAktData['type'] = item.types == "Nuclear power plant" ? 'akw_a' : 'other';
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oneAktData['link'] = item.item;
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if (item.itemServiceretirement != undefined) {
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oneAktData['ende'] = item.itemServiceretirement.substr(0,4);
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}
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if (item.itemServiceentry != undefined) {
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oneAktData['begin'] = item.itemServiceentry.substr(0,4);
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}
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// Push only NOT 'Nuclear Power Plants' into data array
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// if(item.types != 'Nuclear power plant') {
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erg.push(oneAktData);
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// }
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}
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res.json(erg);
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}
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catch(e) {
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console.log("Problem mit getakwdata", e);
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res.json({"akws": [], "research": [], "fusion": [], "waste": [],});
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return;
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}
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});
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*/
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router.get('/getStuttgart/', function (req, res) {
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fs.readFile('public/Stuttgart.gpx',function(err,data) {
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res.send(data);
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})
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});
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router.get('/getcoord/', function (req, res) {
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getCoordinates(req.query.city)
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.then(erg => res.json(erg));
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});
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router.get('/getIcon/:col', function (req, res) {
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let color = req.params.col;
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// fs.readFile('public/radioak4_30.png',function(err,data) {
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fs.readFile('public/nuclear-'+color+'.svg',function(err,data) {
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res.send(data);
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})
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});
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router.get('/regionSensors/', function (req, res) {
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var db = req.app.get('dbase'); // db wird in req übergeben (von app.js)
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var spoints = JSON.parse(req.query.points);
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getRegionSensors(db,spoints)
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.then(erg => res.json(erg));
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});
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async function getRegionSensors(db,p) {
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let properties = [];
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let pcoll = db.collection("properties");
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properties = await pcoll.find({
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'location.loc': {
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$geoWithin: {
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$geometry: {
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type: "Polygon",
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coordinates: [ p ],
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}
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}
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},
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type: 'radioactivity' // Only radiation sensors
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},{_id: 1, name: 1}
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).toArray();
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let sids = [];
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properties.forEach(x => {
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sids.push(x._id);
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});
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console.log('Anzahl gefundene Sensoren:',sids.length);
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return sids;
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}
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router.get('/storeSensors/', function (req, res) {
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let data = req.query.sensors;
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fs.writeFile('stuttgart.txt',data,(err) => {
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if (err) throw(err);
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console.log("Sensoren gespeichert");
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});
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});
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async function getCoordinates(city) {
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let start = moment()
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let url = NOMINATIM_URL + city;
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const response = await axios.get(encodeURI(url));
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const data = response.data;
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if(data.length !== 0) {
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console.log(`Fetching of city ${city} needs ${(moment() - start) / 1000} seconds.`)
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return data[0];
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} else {
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console.log(`City ${city} not found` )
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return {lat: 0, lon: 0}
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}
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}
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module.exports = router;
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