app.js

/**
 * Module dependencies.
 */
var express = require('express'),
    http = require('http'),
    path = require('path'),
    github_client = require("github"),
    i18n = require("i18n"),
    fs = require('fs'),
    mongoose = require('mongoose'),
    MongoStore = require('connect-mongo')(express);


var github = new github_client({
    version: "3.0.0"
});

//localization config 
i18n.configure({
    locales:['en'],
    register: global
});

//Load all models
var models_path = __dirname + '/models';
fs.readdirSync(models_path).forEach(function (file) {
  require(models_path + '/' + file);
});

//Loading routes
var indexRoute = require('./routes/index'),
    userRoute = require('./routes/user'),
    githubRoute = require('./routes/github'),
    documentRoute = require('./routes/document'),
    repositoryRoute = require('./routes/repository'),
    app = express();

//Global variables
app.locals({
  __: i18n.__,
  __n: i18n.__n,
  version: "0.1.0"
});
//set an global variable to hold all SourceDoc configs and use it in all parts of application
GLOBAL.systemConfig = require(__dirname + '/config.js').systemConfigs;

//DB connection
mongoose.connect(systemConfig.mongoDbConnection);

var conf = {
  db: {
    db: 'sourcedoc',
    host: '127.0.0.1',
    port: 27017,  
    collection: 'sessions' 
  },
  secret: '076ee61d63aa10a125ea872411e433b9'
};

app.configure(function() {
  //enable reverse proxy
  app.enable('trust proxy');
  app.set('port', process.env.PORT || 3000);
  app.set('views', __dirname + '/views');
  app.set('view engine', 'jade');
  app.use(express.favicon(__dirname + '/public/img/favicon.ico'));
  app.use(express.logger('dev'));
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(express.cookieParser());
  //Save sessions in DB
  app.use(express.session({
    secret: conf.secret,
    maxAge: new Date(Date.now() + 3600000),
    store: new MongoStore(conf.db)
  }));
  app.use(i18n.init);
  app.use(express.static(path.join(__dirname, 'public')));
  //User authentication and more
  app.use(require('./middlewares/authentication.js').authCheck);
  //this middleware is used to pass current URL to the views and 
  //active correct menu in navigation bar. I don't know if there's
  //a better way for doing it
  app.use(function(req, res, next) {
    res.locals.url = req.url;
    next();
  });
  app.use(app.router);
});

app.configure('development', function() {
  app.use(express.errorHandler());
});

//Homepage
app.get('/', indexRoute.index);
//Start Github authentication
app.get('/github_auth', githubRoute.auth);
//Github authentication callback
app.get('/github_auth_callback', githubRoute.authCallback);
//Sync repositories with Github
app.get('/github_sync', userRoute.githubSync);
//Users panel
app.get('/panel', userRoute.panel);
//Users panel with login parameter
app.get('/panel/:login?', userRoute.panel);
//Logout from account
app.get('/logout', userRoute.logout);
//Active/de-active SourceDoc for repository
app.post('/active_sourcedoc', repositoryRoute.activeSourceDoc);
//Receive and process Github Post-Receive hooks
app.post('/github_hook', githubRoute.githubHook);
//All repository revisions
app.get('/:username/:repo/all', repositoryRoute.getAllRevisions);
//Documents route
app.get('/:username/:repo/:revision?/*', documentRoute.getDocument);

//Start the SourceDoc
http.createServer(app).listen(app.get('port'), function() {
  console.log("SourceDoc server listening on port " + app.get('port'));
});