testServer.js

import express from 'express';
import favicon from 'serve-favicon';
import {MongoClient, ObjectID} from 'mongodb';
import fs from 'fs';
import path from 'path';
import zlib from 'zlib';

import http from 'http';

import * as React from 'react';
import ReactDOMServer from 'react-dom/server';
import {StaticRouter} from 'react-router';

import {addMessengerHooks, sendTextMessage} from './messenger-bot/bot.js'
import addIO from './rest/rest';
const { spawn } = require('child_process');

var port = 9080;
var legacyPort = 8080;

global.window = {
  addEventListener: () => {},
  scrollTo: () => {}
};
global.document = {
  addEventListener: () => {},
  createElement: () => {}
};
global.isTest = true;

// var AppComponent = require('./src/App').default;

/* GZIP everything */
function sendBase(req, res, next) {
  fs.readFile(__dirname + '/../public/index.html', 'utf8', function (error, docData) {
    if (error) throw error;
    res.writeHead(200, {'Content-Type': 'text/html', 'Content-Encoding': 'gzip'});
    // const AppElement = ReactDOMServer.renderToString(
    //                     <StaticRouter location={req.url} context={{}}>
    //                       <AppComponent/>
    //                     </StaticRouter>
    //                   );
    // const document = docData.replace(/<div id="app"><\/div>/,`<div id="app">${AppElement}</div>`);
    zlib.gzip(docData, function (_, result) {
      res.end(result);
    });
  });
}

const app = express();
const server = http.createServer(app);

function callback(id, json) {
  if (json.type === 'text') {

  } else {
    sendTextMessage(id, 'Processing your receipt now.');
    const python = spawn('python3', ['./receipt_processing/scan.py', json.payload.url]);
    python.stdout.on('data', (data) => {
      sendTextMessage(id, 'Test');
    });
  }
}

addMessengerHooks(app, callback);

app.all('*', function(req, res, next){
  if (req.path.startsWith('/newuser') || req.path.startsWith('/computers')) {
    res.redirect('https://' + req.hostname + ':' + legacyPort + req.path);
    return;
  }
  next();
});

app.use(favicon(path.join(__dirname, '/../public/static/images/logos/favicon.ico')));

// app.get('/bundle.js', function (req, res, next) {
//   req.url = req.url + '.gz';
//   res.set('Content-Encoding', 'gzip');
//   res.set('Content-Type', 'application/javascript');
//   next();
// });
//
// app.get('/bundle.css', function (req, res, next) {
//   req.url = req.url + '.gz';
//   res.set('Content-Encoding', 'gzip');
//   res.set('Content-Type', 'text/css');
//   next();
// });

app.get('/', sendBase);

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

app.get('*', sendBase);

server.listen(port,
  () => console.log('Node/express test server started on port ' + port)
);

addIO(server);