app.js

require('dotenv').config()

var express = require('express');

var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var index = require('./routes/index');
var api = require('./routes/api');

var lggr = require('./controllers/api_logger');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');

// uncomment after placing your favicon in /public
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', index);
app.use('/api/v1', api);

module.exports.stream = {
    write: function(message, encoding){
        lggr.info(message);
    }
};

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function (err, req, res, next) {
  
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};
  
  lggr.error(err.message);
  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

// Handlebars default config
const hbs = require('hbs');
const fs = require('fs');

const partialsDir = __dirname + '/views/partials';

const filenames = fs.readdirSync(partialsDir);

filenames.forEach(function (filename) {
  const matches = /^([^.]+).hbs$/.exec(filename);
  if (!matches) {
    return;
  }
  const name = matches[1];
  const template = fs.readFileSync(partialsDir + '/' + filename, 'utf8');
  hbs.registerPartial(name, template);
});

hbs.registerHelper('json', function (context) {
  return JSON.stringify(context, null, 2);
});

console.log('App running on localhost:' + process.env.PORT);

module.exports = app;