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webserverNode.js
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webserverNode.js
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String.prototype.replaceAll = function (search, replace) {
return this.split(search).join(replace);
};
var request = require('request');
var http = require('http');
var url = require('url');
var fs = require("fs");
var selected = '';
var index = fs.readFileSync('./index.html');
var averageTime = 100;
var dir, data, answ, time, dir2;
var path = "C:/temp/";
try {
dir = fs.readdirSync(path);
dir = sortDir(dir,'csv');
console.log(dir);
data = fs.readFileSync(path + dir[0], 'utf8');
answ = csvToJson(data.toString());
}
catch (e) {
console.error('ERROR:', 'An occurrence with first-loading',e);
}
var port = 8553;
var serverUrl = "http://127.0.0.1:" + port;
var server = http.createServer(function (req, res) {
var urlParsed = url.parse(req.url, true);
console.log(req.socket.remoteAddress + ': ' + urlParsed.pathname);
switch (urlParsed.pathname) {
case '/favicon.ico': {
res.end(fs.readFileSync('./favicon-192x192.png'));
break;
}
case '/getCurrentData': {
console.log(urlParsed.query.num);
try {
data = fs.readFileSync(path + urlParsed.query.num, 'utf8');
answ = csvToJson(data.toString());
res.statusCode = 200;
res.end(answ);
}
catch (e) {
console.error('ERROR:', e);
res.statusCode = 403;
res.end('Invalid request');
}
break;
}
case '/getFilesList': {
res.statusCode = 200;
res.end(JSON.stringify(dir));
break;
}
case '/': {
res.statusCode = 200;
res.end(index);
break;
}
case '/setData': {
if (req.method == 'POST') {
console.log('POST REQUEST')
console.log("[200] " + req.method + " to " + req.url);
var fullBody = '';
req.on('data', function (chunk) {
fullBody += chunk.toString();
});
req.on('end', function () {
var date = new Date();
try {
var month = date.getMonth();
var day = date.getDate();
var path = "./files/" + date.getFullYear().toString();
path += (month < 10) ? ('0'+month.toString()) : month.toString();
path += (day < 10) ? ('0'+day.toString()) : day.toString();
fs.writeFile(path + '.csv', fullBody, function (err) {
if (err)
return console.log(err);
console.log("The file was saved!");
});
}
catch (e) {
console.error('ERROR:', 'An occurrence with .csv saving',e);
}
// request ended -> do something with the data
res.writeHead(200, "OK", { 'Content-Type': 'text/html' });
res.end();
});
} else {
console.log("[405] " + req.method + " to " + req.url);
res.writeHead(405, "Method not supported", { 'Content-Type': 'text/html' });
res.end('<html><head><title>405 - Method not supported</title></head><body><h1>Method not supported.</h1></body></html>');
}
break;
}
case '/data': {
res.statusCode = 200;
res.end(answ);
break;
}
}
}).listen(port);
function csvToJson(csv) {
csv = csv.replaceAll(',', '.');
var lines = csv.split('N');
var arr = [];
var firstRow = lines[0].split(' ;');
for (var l in firstRow)
if (!isNaN(parseFloat(firstRow[l]))) arr.push([]);
for (var ll in lines) {
var parts = lines[ll].split('T');
if (parts.length < 2) continue;
var timeParts = parts[1].split('.');
var rows = parts[0].split(' ;');
for (var r in rows)
if (!isNaN(parseFloat(rows[r]))) arr[r].push({ x: JSON.stringify(timeParts), y: rows[r]}); //parts - for debug
}
var log = '';
for (var a in arr[0]) log += arr[0][a].x + '\n';
fs.writeFile('./log.txt',log);
return JSON.stringify(arr);
}
function sortDir(d, extension) {
var arr = [];
for (var v in d){
var t = d[v];
var t2 = "";
t = t.split('.');
t.splice(t.length-1,1);
var buff = t[0];
t[0] = t[t.length-1];
t[t.length-1] = buff;
console.log(t);
for (var v2 = 0; v2 < t.length; v2++)
{
t2 += t[v2].toString();
console.log(t[v2]);
}
arr.push(t2);
}
console.log(arr);
arr.sort(compareNumbers);
console.log('---------- sorted -------------');
console.log(arr);
arr = arr.reverse();
console.log('---------- reversed -------------');
console.log(arr);
for (var a = 0; a < arr.length; a++)
{
var elem = arr[a];
elem = spliceSplit(elem, 4,0,'.');
elem = spliceSplit(elem, 7,0,'.');
elem += '.' + extension;
arr[a] = elem;
}
var buffarr = [];
for (var v in arr){
var t = arr[v];
var t2 = "";
t = t.split('.');
var buff = t[0];
t[0] = t[t.length-2];
t[t.length-2] = buff;
for (var v2 = 0; v2 < t.length-1; v2++)
{
t2 += t[v2].toString();
console.log(t[v2]);
}
buffarr.push(t2);
}
arr = buffarr;
for (var a = 0; a < arr.length; a++)
{
var elem = arr[a];
elem = spliceSplit(elem, 2,0,'.');
elem = spliceSplit(elem, 5,0,'.');
elem += '.' + extension;
arr[a] = elem;
}
console.log('---------- formated -------------');
console.log(arr);
d = arr;
return d;
}
function readTimes(times){
var tts = times.split('N');
try{
//console.log(tts)
}
catch(e){
console.error('ERROR:',e);
}
}
function spliceSplit(str, index, count, add) {
var ar = str.split('');
ar.splice(index, count, add);
return ar.join('');
}
function compareNumbers(a, b) {
if (typeof a != 'number') a = parseInt(a);
if (typeof b != 'number') b = parseInt(b);
return a - b;
}