old-tellall/backend/server.js

var databaseHelper = require ('./helpers/database');
const config = require ('./config/config');
var express = require ('express');
var alexa = require ('./models/alexa');

var MongoClient = require ('mongodb').MongoClient;
var ObjectID = require ('mongodb').ObjectID;

const router = express.Router ();
var app = express ();

app.set ('view engine', 'ejs'); // Should be removed
app.use (require ('./middleware')); //common middleware for all requests
app.use (require ('./controllers')); //all routes

MongoClient.connect (config.DB_URL)
  .then (database => {
    databaseHelper.initModule (database);

    app.listen (config.PORT, () => {
      console.log ('Express server running on port  ' + config.PORT);
      alexa.updateModel ();
      databaseHelper.loadTokens ();
    });
  })
  .catch (e => {
    console.log ('error : ' + e);
  });