server.js

'use strict';

var fs = require('fs');
var express  = require('express');
var mongoose = require('mongoose');
var morgan = require('morgan');
var passport = require('passport');
var flash = require('connect-flash');
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
var methodOverride = require('method-override');
var session = require('express-session');
var path = require('path'); 

// Determin config
var env = process.env.NODE_ENV = process.env.NODE_ENV || 'development';
var config = require('./api/config');

// Do we want to use the Express API from /api ?
var USE_API = true;

// Our app
var app = express();

// Insert LiveReload snippet when in development mode only
if(env === 'development') {
  console.log('App running in development environment');
  var livereload = require('connect-livereload');
  app.use(livereload({port: 35729}));
}

app.use(express.static(__dirname + '/public'));
app.use(morgan('dev'));
app.use(cookieParser());
app.use(bodyParser.urlencoded({'extended':'true'}));
app.use(bodyParser.json());
app.use(bodyParser.json({ type: 'application/vnd.api+json' }));
app.use(methodOverride());

// Passport
app.use(session({ secret: 'nomnomnom!', cookie : { maxAge: 3600000 }, saveUninitialized: true, resave: true }));
app.use(passport.initialize());
app.use(passport.session());
app.use(flash());

app.use(function(req, res, next) {
  if (req.headers.origin) {
    res.header('Access-Control-Allow-Origin', req.headers.origin);
  }
  res.header('Access-Control-Allow-Credentials', 'true');
  res.header('Access-Control-Allow-Headers', 'Access-Token, X-Requested-With, Cookie, Set-Cookie, Accept, Access-Control-Allow-Credentials, Origin, Content-Type, Request-Id , X-Api-Version, X-Request-Id');
  res.header('Access-Control-Expose-Headers', 'Set-Cookie');
  res.header('Access-Control-Allow-Methods', req.headers['access-control-request-method']);
  res.header('Allow', req.headers['access-control-request-method']);
  return next();
});

if(USE_API) {
  // API Models
  (function(path) {
    fs.readdirSync(path).forEach(function(file) {
      var newPath = path + '/' + file;
      var stat = fs.statSync(newPath);
      if(stat.isFile()) {
        if(/(.*)\.(js|coffee)/.test(file)) {
          require(newPath);
        }
      } else if(stat.isDirectory()) {
        // TODO: Allow for subfolders for models?
      }
    });
  })(__dirname + '/api/models');

  // Connect to MongoDB
  console.log('Connecting to DB:', config.db);
  mongoose.connect(config.db);

  require('./api/config/passport')(passport);

  // API Routes
  require('./api/routes')(app, passport);
}

// HTML5 Pushstate mode
app.get('*', function(req, res) {
  res.sendFile(path.join(__dirname, '/public', 'index.html'));
});

if(!module.parent) {
  app = app.listen(config.port);
  console.log('App listening on port ' + config.port);
}