app.js

'use strict';
require("dotenv").config();

const express        = require('express');
const bodyParser     = require('body-parser');
const SwaggerExpress = require('swagger-express-mw');
const SwaggerUI      = require('swagger-tools/middleware/swagger-ui');
const _              = require('lodash');
const mongoHelper    = require('./api/helpers/mongoHelper');

const app            = express();
const port = process.env.PORT || 3030;

module.exports = app; // for testing
let appRoot = __dirname;
global.appRoot = appRoot;
let config = {
  appRoot: appRoot     // required config
};


SwaggerExpress.create(config, function(err, swaggerExpress) {
  if (err) { throw err; }

  // install middleware
  app.use(SwaggerUI(swaggerExpress.runner.swagger));
  swaggerExpress.register(app);

  app.listen(port);

  console.log("App listening on ", port);

  // if (swaggerExpress.runner.swagger.paths['/hello']) {
  //   console.log('Listening on', port, '(Try: curl http://127.0.0.1:' + port + '/hello?name=Scott)');
  // }
});

start().catch(function(err) {
    console.log("Something went wrong... ", err);
});

function start() {
    var promises = [];

    // Do all async setup here, example:
    // let someAsyncCall = something();
    // promises.push(someAsyncCall);

    promises.push(mongoHelper.connectToDb());

    return Promise.all(promises).then(function(){
        console.log("\n\nSetup complete!");
    });
}


// ~~~~~ ROUTING ~~~~~
app.get('/', function(req, res) {
    // Redirect all traffic to docs
    res.redirect('/docs');
});