app.js

///////////////////////////////////
// DEPENDENCIES
//
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 passport = require('passport');

// ENV File
require('dotenv').config()
// Data Model
require('./app_api/config/db');
// Passport Config (after model is defined)
require('./app_api/config/passport');

// API Routes
var routesApi = require('./app_api/routes/index');

///////////////////////////////////
// EXPRESS
//
var app = express();

// View Engine Setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// app.use(favicon(__dirname + '/public/logo.png'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

// Static Resources
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'app_client')));

// Initialise Passport (before using route middleware)
app.use(passport.initialize());

// Use API routes when path starts with /api
app.use('/api', routesApi);
// Else, render the index.html page for the Angular SPA
app.use(function(req, res) {
  res.sendFile(path.join(__dirname, 'app_client', 'index.html'));
});

///////////////////////////////////
// ERROR HANDLERS
//
// Forward 404 to Error Handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// Unauthorised Errors
app.use(function (err, req, res, next) {
  if (err.name === 'UnauthorizedError') {
    res.status(401);
    res.json({"message" : err.name + ": " + err.message});
  }
});

// Dev Error Handler
if (app.get('env') === 'production') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// Prod Error Handler
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});

///////////////////////////////////
// SERVER
//
var port = process.env.PORT || 8080;
app.listen(port);
console.log('App listening on port', port);

module.exports = app;