Big update in a while. It is very functional
This commit is contained in:
311
main.js
311
main.js
@ -1,8 +1,7 @@
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let serverPort = 80;
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const serverPort = 8081;
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const url = "http://transport.tallinn.ee/gps.txt";
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const express = require('express');
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const { fstat } = require('fs');
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const app = express();
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const http = require('http');
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const server = http.createServer(app);
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@ -10,8 +9,18 @@ const { Server } = require("socket.io");
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const io = new Server(server);
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const axios = require('axios');
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const fs = require('fs');
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const path = require('path');
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let cafTramTakArray = ["502", "520", "505", "518", "513", "507"];
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const localFilePath = 'gps/gps.txt'
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let cafTramTakArray = ["501", "502", "503", "504", "505", "506", "507", "508", "509", "510", "511", "512", "513", "514", "515", "516", "517", "518", "519", "520"];
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let pesaTramTakArray = ["521", "522", "523", "524", "525", "526", "527", "528", "529", "530", "531", "532"];
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let electricBusTakArray = ["1350", "1351", "1353", "1356", "1357", "2411", "2413", "2414", "2416"];
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let kt6tmTramArray = ["96", "97", "98", "99", "102", "103", "109", "110", "114", "123", "131", "148"];
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let kt4suTramArray = ["104"];
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let kt4tmrTramArray = ["136", "138", "140", "141", "142", "168"];
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let kt4dTramArray = ["157", "161", "170", "172", "173", "176", "177", "178", "179", "180"];
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let kt4tmTramArray = ["181", "182"];
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let requestedType = "Unfetched";
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let requestedLine = "Unfetched";
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@ -21,131 +30,227 @@ let requestedTak = "Unfetched";
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let vehicleType = "Unfetched";
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let requestedLatLong = "Unfetched";
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console.log("Server initalize!");
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let isRequestMode = false;
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let requestModeIntervalId = null;
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let lastFetchTime = 0;
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const defaultFetchInterval = 120000;
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const requestModeInterval = 30000;
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const requestModeDuration = 120000;
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app.use(express.static('client'))
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console.log("Server initialized!");
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app.use(express.static('client'));
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app.get('/tltmap', (req, res) => {
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console.log("Requested / (index.html). Fetching!");
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//index.html
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res.sendFile(__dirname + '/client/index.html');
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res.sendFile(path.join(__dirname, 'client/index.html'));
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});
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app.get('/img/marker.png', (req, res) => {
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var img = fs.readFileSync('./client/marker.png');
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res.writeHead(200, {'Content-Type': 'image/png'});
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const img = fs.readFileSync('./client/marker.png');
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res.writeHead(200, { 'Content-Type': 'image/png' });
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res.end(img, 'binary');
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});
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server.listen(serverPort, () => {
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console.log("Apache server initalized...");
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console.log("Apache server initialized...");
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console.log('Server started on port', serverPort);
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//triggerDataFetch();
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});
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io.on('connection', (socket) => {
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socket.on('takSearch', (tak) => {
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try {
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socket.on('takSearch', async (tak) => {
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try {
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console.log("Input tak: " + tak);
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fetchData(tak, socket);
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} catch {
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saveRequestLogs(socket, tak);
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if (isRequestMode) {
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const currentTime = Date.now();
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if (currentTime - lastFetchTime >= requestModeInterval) {
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await fetchAndSaveData("Request Mode");
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}
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} else {
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await fetchAndSaveData("Request Mode");
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}
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if (isRequestMode) {
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clearInterval(requestModeIntervalId);
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}
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startRequestModeFetch();
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fetchDataFromLocalFile(tak, socket);
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} catch (error) {
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console.error("Error processing takSearch:", error);
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}
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});
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});
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async function triggerConstantDataFetch() {
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while (true) {
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console.log("Fetching new data...");
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await fetchData();
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console.log("Data fetch completed. Wait 5 seconds before next fetch!");
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function saveRequestLogs(socket, takInput) {
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const xForwardedFor = socket.request.headers['x-forwarded-for'];
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let clientIp;
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if (xForwardedFor) {
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clientIp = xForwardedFor.split(',')[0].trim();
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} else {
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clientIp = socket.request.connection.remoteAddress;
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}
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const date = new Date();
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const logData = `${clientIp} - [${date}] - [SEARCH ${takInput}] - ${socket.handshake.headers['user-agent']}\n`;
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writeToLog('search_log.txt', logData);
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}
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function writeToLog(logfile, logdata) {
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var realLogFile = path.join('logs/', logfile);
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fs.appendFile(realLogFile, logdata, 'utf8', (err) => {
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if (err) {
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console.error('Error writing to file:', err);
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}
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});
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}
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async function fetchAndSaveData(fetchMode) {
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try {
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console.log(`Fetch started (${fetchMode})`);
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const date = new Date();
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const timestamp = date.toISOString().replace(/:/g, '_').replace('T', '-').split('.')[0];
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const logData = `${date} - Fetching new data (${fetchMode})...\n`;
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writeToLog('fetch_log.txt', logData);
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if (fs.existsSync(localFilePath)) {
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const oldFilePath = `gps/gps-${timestamp}.txt`
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fs.renameSync(localFilePath, oldFilePath);
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}
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const response = await axios.get(url);
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if (response.status === 200) {
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fs.writeFileSync(localFilePath, response.data, 'utf8');
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console.log("Fetch completed.");
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const logData = `${date} - Fetching completed (${fetchMode})!\n`;
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writeToLog('fetch_log.txt', logData);
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} else {
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const logData = `${date} - Fetching failed (${fetchMode}). Got: ${response.status}\n`;
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writeToLog('errors_log.txt', logData);
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}
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lastFetchTime = Date.now();
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} catch (error) {
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const date = new Date();
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const logData = `${date} - Error fetching data (${fetchMode}): ${error.message}\n`;
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writeToLog('errors_log.txt', logData);
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}
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}
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async function fetchData(takInput, socket) {
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try {
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const response = await axios.get(url);
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if (response.status === 200) {
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const lines = response.data.split('\n');
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let takFound = 0;
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lines.forEach(line => {
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if (line) {
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const data = line.split(',');
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if (data.length >= 9) {
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try {
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const transportType = parseInt(data[0]);
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const lineNumber = parseInt(data[1]);
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const longitude = parseInt(data[2]) / 1000000;
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const latitude = parseInt(data[3]) / 1000000;
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const tak = data[6];
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let transportTypeDecoded;
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function startPeriodicDataFetch() {
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fetchAndSaveData("Normal Mode");
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setInterval(() => {
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if (!isRequestMode) {
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fetchAndSaveData("Normal Mode");
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}
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}, defaultFetchInterval);
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}
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switch (transportType) {
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case 1:
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transportTypeDecoded = "TROLL";
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break;
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case 2:
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transportTypeDecoded = "BUS";
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break;
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case 3:
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transportTypeDecoded = "TRAM";
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break;
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case 7:
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transportTypeDecoded = "NIGHTBUS";
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break;
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default:
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transportTypeDecoded = "Unknown";
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break;
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}
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if (tak == takInput) {
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if (transportTypeDecoded == "TRAM") {
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if (cafTramTakArray.includes(tak)) {
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vehicleType = "CAF Urbos (Spain) (Overhead 600V, Motor 264 kW) 70km/h TOP";
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}
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else {
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vehicleType = "-- INFO UNAVAIL. --";
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}
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}
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else {
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vehicleType = "Unfetched";
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}
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takFound = 1;
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requestedType = transportTypeDecoded;
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requestedLine = lineNumber;
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requestedLat = latitude;
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requestedLong = longitude;
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requestedLatLong = String(latitude) + " " + String(longitude);
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requestedTak = tak;
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console.log("Requested data fetched:");
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console.log("Transport Type:", transportTypeDecoded);
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console.log("Line Number:", lineNumber);
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console.log("Latitude:", latitude);
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console.log("Longitude:", longitude);
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console.log("Merged coordinates:", requestedLatLong);
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console.log("TAK:", tak);
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console.log();
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socket.emit('takResults', requestedType, requestedLine, requestedLat, requestedLong, requestedTak, requestedLatLong, vehicleType);
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}
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else if (tak != takInput && takFound != 1) {
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takFound = 0;
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let busNotFoundText = "BUS NOT FOUND!";
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requestedType = busNotFoundText;
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requestedLine = busNotFoundText;
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requestedLat = busNotFoundText;
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requestedLong = busNotFoundText;
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requestedTak = busNotFoundText;
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}
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} catch (error) {
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console.log("Invalid data format!", line);
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function startRequestModeFetch() {
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isRequestMode = true;
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requestModeIntervalId = setInterval(async () => {
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const currentTime = Date.now();
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if (currentTime - lastFetchTime >= requestModeInterval) {
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await fetchAndSaveData("Request Mode");
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}
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}, requestModeInterval);
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setTimeout(() => {
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clearInterval(requestModeIntervalId);
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isRequestMode = false;
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}, requestModeDuration);
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}
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async function fetchDataFromLocalFile(takInput, socket) {
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try {
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const data = fs.readFileSync(localFilePath, 'utf8');
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const lines = data.split('\n');
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let takFound = 0;
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lines.forEach(line => {
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if (line) {
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const data = line.split(',');
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if (data.length >= 9) {
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try {
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const transportType = parseInt(data[0]);
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const lineNumber = parseInt(data[1]);
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const longitude = parseFloat(data[2]) / 1000000;
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const latitude = parseFloat(data[3]) / 1000000;
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const tak = data[6];
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let transportTypeDecoded;
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switch (transportType) {
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case 1:
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transportTypeDecoded = "TROLL";
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break;
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case 2:
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transportTypeDecoded = "BUS";
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break;
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case 3:
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transportTypeDecoded = "TRAM";
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break;
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case 7:
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transportTypeDecoded = "NIGHTBUS";
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break;
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default:
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transportTypeDecoded = "Unknown";
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break;
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}
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if (tak === takInput) {
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if (transportTypeDecoded === "TRAM") {
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if (cafTramTakArray.includes(tak)) {
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vehicleType = "CAF Urbos AXL (Spain) (Overhead 600V, Motor 264 kW) 70km/h TOP";
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} else if (pesaTramTakArray.includes(tak)) {
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vehicleType = "PESA Twist 147N";
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} else if (kt6tmTramArray.includes(tak)) {
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vehicleType = "Tatra KT6 TM";
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} else if (kt4suTramArray.includes(tak)) {
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vehicleType = "Tatra KT4 SU";
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} else if (kt4tmrTramArray.includes(tak)) {
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vehicleType = "Tatra KT4 TMR";
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} else if (kt4dTramArray.includes(tak)) {
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vehicleType = "Tatra KT4 D";
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} else if (kt4tmTramArray.includes(tak)) {
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vehicleType = "Tatra KT4 TM";
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} else {
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vehicleType = "-- Info unavailable --";
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}
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} else if (transportTypeDecoded === "BUS") {
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if (electricBusTakArray.includes(tak)) {
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vehicleType = "Solaris Urbino IV 12 Electric";
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}
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} else {
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vehicleType = "-- Info unavailable --";
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}
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takFound = 1;
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requestedType = transportTypeDecoded;
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requestedLine = lineNumber;
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requestedLat = latitude;
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requestedLong = longitude;
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requestedLatLong = `${latitude} ${longitude}`;
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requestedTak = tak;
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console.log("Requested data fetched:");
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console.log("Transport Type:", transportTypeDecoded);
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console.log("Line Number:", lineNumber);
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console.log("Latitude:", latitude);
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console.log("Longitude:", longitude);
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console.log("Merged coordinates:", requestedLatLong);
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console.log("TAK:", tak);
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console.log();
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socket.emit('takResults', requestedType, requestedLine, requestedLat, requestedLong, requestedTak, requestedLatLong, vehicleType);
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} else if (tak !== takInput && takFound !== 1) {
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takFound = 0;
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const busNotFoundText = "VEHICLE NOT FOUND!";
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requestedType = busNotFoundText;
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requestedLine = busNotFoundText;
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requestedLat = busNotFoundText;
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requestedLong = busNotFoundText;
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requestedTak = busNotFoundText;
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}
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} catch (error) {
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console.log("Invalid data format!", line);
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}
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}
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});
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} else {
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console.log("Data fetch fail! Got status:", response.status);
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}
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}
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});
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} catch (error) {
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console.error("Error fetching data:", error);
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console.error("Error reading local file:", error);
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}
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}
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}
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startPeriodicDataFetch();
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