server.js

/**
 * Twaddlr - a simple chat server. Inspired by Campfire.
 */

var util = require('util')
    , less = require('less')
    , express = require('express')
    , mongodb = require('mongodb');

var PORT = 3000;

// First try to connect to MongoDB. Without MongoDB there's
// no need to continue ...
var db = new mongodb.Db('twaddle', new mongodb.Server('127.0.0.1', 27017, {}));
db.open(function(err, client) {
  if (err) {
    console.log("Couldn't connect to MongoDB. Aborting!");
    throw err;
  }

  console.log("Connected to MongoDB! Initializing server ...");

  // Create our server
  var app = express.createServer();
  var staticDir = __dirname + '/static';

  // Configure express
  app.configure(function() {
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade');
    app.set('view options', {
      layout: false // Use layout features provided by Jade
    });
    app.use(express.bodyParser());
    app.use(express.cookieParser());
    app.use(express.session({ secret: 'dumdidadidum' }));
    //app.use(express.logger());
    app.use(app.router);
    //app.use(express.compiler({ src: staticDir, enable: ['less'] }));
    app.use(express.static(staticDir));
  });

  //app.configure('development', function() {
  //  //app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
  //  app.use(express.static(staticDir));
  //});

  // Install a custom error handler for LESS errors
  app.error(function(err, req, res, next) {
    if (err.name && err.name == 'ParseError') {
      console.log(err);
      next();
    } else {
      next(err, req, res);
    }
  });

  // Setup routes
  require('./lib/routes')(app);
  require('./lib/rest_api')(app, client);

  // Initialize Socket.IO
  require('./lib/com_hub')(app);

  // Ok, let's listen on port PORT
  console.log("Starting server on port " + PORT);
  app.listen(PORT);
});