Index file

index.js

const express = require('express')
const app = express()
var http = require('http').Server(app);
var io = require('socket.io')(http,{
  allowEIO3: true,
});

var bodyParser = require('body-parser');
var prettyHtml = require('json-pretty-html').default;
var port = process.env.PORT || 3000;

app.use(express.static(__dirname + '/public'));

app.get('/', function(req, res){
  res.sendFile(__dirname + '/index.html');
});


app.use(bodyParser.text({
  type: function(req) {
    return 'text';
  }
}));

app.post('/failureNotification', function (req, res) {

  res = res.status(200);
  res.send(req.body);

  try {
    var htmlHeader = prettyHtml(req.headers, req.body.dimensions);
    var htmlBody = prettyHtml(JSON.parse(req.body), req.body.dimensions);
    io.emit('chat message', '<div class="msg-header-failure">Failure Notification received at:'+ formatDate(new Date(), "dddd h:mm:sstt d MMM yyyy") +'</div>');
    io.emit('chat message', '<div class="header-failure">Header</div>');
    io.emit('chat message', htmlHeader);
    io.emit('chat message', '<div class="msg-body-failure">Body</div>');
    io.emit('chat message', htmlBody);
  } catch(e) {
    console.log(e);
    io.emit('chat message', '<h1>Error parsing json for a failure notification</h1>');
    io.emit('chat message', '<h3>Header</h3>');
    io.emit('chat message', htmlHeader);
    io.emit('chat message', '<h3>Body</h3>');
    io.emit('chat message', req.body);
    
  } 
  
});

app.post('/successfulNotification', function (req, res) {

  res = res.status(200);
  res.send(req.body);

  try {
    var htmlHeader = prettyHtml(req.headers, req.body.dimensions);
    var htmlBody = prettyHtml(JSON.parse(req.body), req.body.dimensions);
    io.emit('chat message', '<div class="msg-header-success">Successful Notification received at:'+ formatDate(new Date(), "dddd h:mm:sstt d MMM yyyy") +'</div>');
    io.emit('chat message', '<div class="msg-header">Header</div>');
    io.emit('chat message', htmlHeader);
    io.emit('chat message', '<div class="msg-body">Body</div>');
    io.emit('chat message', htmlBody);
  } catch(e) {
    console.log(e);
    io.emit('chat message', '<h1>Error parsing json for a successful notification</h1>');
    io.emit('chat message', '<h3>Header</h3>');
    io.emit('chat message', htmlHeader);
    io.emit('chat message', '<h3>Body</h3>');
    io.emit('chat message', req.body);
    
  } 
  
});

function formatDate(date, format, utc) {
  var MMMM = ["\x00", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
  var MMM = ["\x01", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
  var dddd = ["\x02", "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
  var ddd = ["\x03", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];

  function ii(i, len) {
      var s = i + "";
      len = len || 2;
      while (s.length < len) s = "0" + s;
      return s;
  }

  var y = utc ? date.getUTCFullYear() : date.getFullYear();
  format = format.replace(/(^|[^\\])yyyy+/g, "$1" + y);
  format = format.replace(/(^|[^\\])yy/g, "$1" + y.toString().substr(2, 2));
  format = format.replace(/(^|[^\\])y/g, "$1" + y);

  var M = (utc ? date.getUTCMonth() : date.getMonth()) + 1;
  format = format.replace(/(^|[^\\])MMMM+/g, "$1" + MMMM[0]);
  format = format.replace(/(^|[^\\])MMM/g, "$1" + MMM[0]);
  format = format.replace(/(^|[^\\])MM/g, "$1" + ii(M));
  format = format.replace(/(^|[^\\])M/g, "$1" + M);

  var d = utc ? date.getUTCDate() : date.getDate();
  format = format.replace(/(^|[^\\])dddd+/g, "$1" + dddd[0]);
  format = format.replace(/(^|[^\\])ddd/g, "$1" + ddd[0]);
  format = format.replace(/(^|[^\\])dd/g, "$1" + ii(d));
  format = format.replace(/(^|[^\\])d/g, "$1" + d);

  var H = utc ? date.getUTCHours() : date.getHours();
  format = format.replace(/(^|[^\\])HH+/g, "$1" + ii(H));
  format = format.replace(/(^|[^\\])H/g, "$1" + H);

  var h = H > 12 ? H - 12 : H == 0 ? 12 : H;
  format = format.replace(/(^|[^\\])hh+/g, "$1" + ii(h));
  format = format.replace(/(^|[^\\])h/g, "$1" + h);

  var m = utc ? date.getUTCMinutes() : date.getMinutes();
  format = format.replace(/(^|[^\\])mm+/g, "$1" + ii(m));
  format = format.replace(/(^|[^\\])m/g, "$1" + m);

  var s = utc ? date.getUTCSeconds() : date.getSeconds();
  format = format.replace(/(^|[^\\])ss+/g, "$1" + ii(s));
  format = format.replace(/(^|[^\\])s/g, "$1" + s);

  var f = utc ? date.getUTCMilliseconds() : date.getMilliseconds();
  format = format.replace(/(^|[^\\])fff+/g, "$1" + ii(f, 3));
  f = Math.round(f / 10);
  format = format.replace(/(^|[^\\])ff/g, "$1" + ii(f));
  f = Math.round(f / 10);
  format = format.replace(/(^|[^\\])f/g, "$1" + f);

  var T = H < 12 ? "AM" : "PM";
  format = format.replace(/(^|[^\\])TT+/g, "$1" + T);
  format = format.replace(/(^|[^\\])T/g, "$1" + T.charAt(0));

  var t = T.toLowerCase();
  format = format.replace(/(^|[^\\])tt+/g, "$1" + t);
  format = format.replace(/(^|[^\\])t/g, "$1" + t.charAt(0));

  var tz = -date.getTimezoneOffset();
  var K = utc || !tz ? "Z" : tz > 0 ? "+" : "-";
  if (!utc) {
      tz = Math.abs(tz);
      var tzHrs = Math.floor(tz / 60);
      var tzMin = tz % 60;
      K += ii(tzHrs) + ":" + ii(tzMin);
  }
  format = format.replace(/(^|[^\\])K/g, "$1" + K);

  var day = (utc ? date.getUTCDay() : date.getDay()) + 1;
  format = format.replace(new RegExp(dddd[0], "g"), dddd[day]);
  format = format.replace(new RegExp(ddd[0], "g"), ddd[day]);

  format = format.replace(new RegExp(MMMM[0], "g"), MMMM[M]);
  format = format.replace(new RegExp(MMM[0], "g"), MMM[M]);

  format = format.replace(/\\(.)/g, "$1");

  return format;
}



io.on('connection', function(socket){
  socket.on('chat message', function(msg){
    io.emit('chat message', msg);
  });
});

http.listen(port, function(){
  console.log('listening on *:' + port);
});