app.js

/**
 * Module dependencies.
 */
var EventEmitter = require('events').EventEmitter;

var express = require('express');
var cookieParser = require('cookie-parser');
var compress = require('compression');
var favicon = require('serve-favicon');
var session = require('express-session');
var bodyParser = require('body-parser');
var logger = require('morgan');
var errorHandler = require('errorhandler');
var lusca = require('lusca');
var methodOverride = require('method-override');
var multer  = require('multer');

var _ = require('lodash');
var MongoStore = require('connect-mongo')(session);
var flash = require('express-flash');
var path = require('path');
var mongoose = require('mongoose');
var passport = require('passport');
var expressValidator = require('express-validator');
var connectAssets = require('connect-assets');

/**
 * Central Data Event Emitter
 */
var emitter = new EventEmitter();

/**
 * Controllers (route handlers).
 */
var apiController = require('./controllers/api');
var homeController = require('./controllers/home');
var userController = require('./controllers/user');
var SummaryController = require('./controllers/summary');
var summaryController = new SummaryController();
var DataTypeController = require('./controllers/datatype');
var dataTypeController = new DataTypeController();
var StreamController = require('./controllers/stream');
var streamController = new StreamController(emitter);
var contactController = require('./controllers/contact');

/**
 * API keys and Passport configuration.
 */
var secrets = require('./config/secrets');
var passportConf = require('./config/passport');

/**
 * Create Express server.
 */
var app = express();

/**
 * Connect to MongoDB.
 */
mongoose.connect(secrets.db);
mongoose.connection.on('error', function() {
  console.error('MongoDB Connection Error. Please make sure that MongoDB is running.');
});

/**
 * Express configuration.
 */
var allowCrossDomain = function(req, res, next) {
    res.header('Access-Control-Allow-Origin', 'example.com');
    res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
    res.header('Access-Control-Allow-Headers', 'Content-Type');

    next();
}

app.set('port', process.env.PORT || 3000);
app.use(express.static(__dirname + '/node_modules'));
app.use('/build', express.static('build'));
app.use('/node_modules', express.static('node_modules'));
app.use('/package.json', express.static('package.json'));
//app.use('/index.html', express.static('index.html'));
app.use(compress());
app.use(connectAssets({
  paths: [
    path.join(__dirname, 'public/css'), 
    path.join(__dirname, 'public/js'),
    path.join(__dirname, 'public/img'),
  ]
}));
app.use(logger('dev'));
app.use(favicon(path.join(__dirname, 'public/favicon.png')));
app.use(bodyParser.json());
app.use(bodyParser.raw());
app.use(bodyParser.text());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(multer({ dest: path.join(__dirname, 'uploads') }));
app.use(expressValidator());
//app.use(allowCrossDomain);
app.use(methodOverride());
app.use(cookieParser());
app.use(session({
  resave: true,
  saveUninitialized: true,
  secret: secrets.sessionSecret,
  store: new MongoStore({ url: secrets.db, autoReconnect: true })
}));
app.use(passport.initialize());
app.use(passport.session());
app.use(flash());
app.use(function(req, res, next) {
  res.locals.user = req.user;
  next();
});
app.use(function(req, res, next) {
  if (/api/i.test(req.path)) req.session.returnTo = req.path;
  next();
});
app.use(express.static(path.join(__dirname, 'public'), { maxAge: 31557600000 }));

/**
 * Primary app routes.
 */
app.get('/', function(req, res) {res.sendFile(__dirname + '/index.html')});
app.get('/index.html', function(req, res) {res.sendFile(__dirname + '/index.html')});
app.get('/login', userController.getLogin);
app.post('/login', userController.postLogin);
app.get('/logout', userController.logout);
app.get('/forgot', userController.getForgot);
app.post('/forgot', userController.postForgot);
app.get('/reset/:token', userController.getReset);
app.post('/reset/:token', userController.postReset);
app.get('/signup', userController.getSignup);
app.post('/signup', userController.postSignup);
app.get('/contact', contactController.getContact);
app.post('/contact', contactController.postContact);
app.get('/account', passportConf.isAuthenticated, userController.getAccount);
app.post('/account/profile', passportConf.isAuthenticated, userController.postUpdateProfile);
app.post('/account/password', passportConf.isAuthenticated, userController.postUpdatePassword);
app.post('/account/delete', passportConf.isAuthenticated, userController.postDeleteAccount);
app.get('/account/unlink/:provider', passportConf.isAuthenticated, userController.getOauthUnlink);

/**
 * DataFountain routes
 */
app.get('/api/users', userController.getAll)
app.get('/api/summary', summaryController.summary)
app.get('/api/:user/streams/:streamId', userController.getStream)
app.get('/api/:user/streams', userController.getStreams)
app.get('/api/:user/datatypes', userController.getDataTypes)
app.post('/api/datatype', dataTypeController.create)
app.post('/api/stream', streamController.create)
app.delete('/api/stream', streamController.delete)
app.post('/api/:user/streams/:streamId', function() { streamController.push.apply(streamController, arguments) })

/**
 * API examples routes.
 */
app.get('/api', apiController.getApi);
app.get('/api/lastfm', apiController.getLastfm);
app.get('/api/nyt', apiController.getNewYorkTimes);
app.get('/api/aviary', apiController.getAviary);
app.get('/api/steam', apiController.getSteam);
app.get('/api/stripe', apiController.getStripe);
app.post('/api/stripe', apiController.postStripe);
app.get('/api/scraping', apiController.getScraping);
app.get('/api/twilio', apiController.getTwilio);
app.post('/api/twilio', apiController.postTwilio);
app.get('/api/clockwork', apiController.getClockwork);
app.post('/api/clockwork', apiController.postClockwork);
app.get('/api/foursquare', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getFoursquare);
app.get('/api/tumblr', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getTumblr);
app.get('/api/facebook', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getFacebook);
app.get('/api/github', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getGithub);
app.get('/api/twitter', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getTwitter);
app.post('/api/twitter', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.postTwitter);
app.get('/api/venmo', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getVenmo);
app.post('/api/venmo', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.postVenmo);
app.get('/api/linkedin', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getLinkedin);
app.get('/api/instagram', passportConf.isAuthenticated, passportConf.isAuthorized, apiController.getInstagram);
app.get('/api/yahoo', apiController.getYahoo);
app.get('/api/paypal', apiController.getPayPal);
app.get('/api/paypal/success', apiController.getPayPalSuccess);
app.get('/api/paypal/cancel', apiController.getPayPalCancel);
app.get('/api/lob', apiController.getLob);
app.get('/api/bitgo', apiController.getBitGo);
app.post('/api/bitgo', apiController.postBitGo);

/**
 * OAuth authentication routes. (Sign in)
 */
app.get('/auth/instagram', passport.authenticate('instagram'));
app.get('/auth/instagram/callback', passport.authenticate('instagram', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/facebook', passport.authenticate('facebook', { scope: ['email', 'user_location'] }));
app.get('/auth/facebook/callback', passport.authenticate('facebook', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/github', passport.authenticate('github'));
app.get('/auth/github/callback', passport.authenticate('github', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/google', passport.authenticate('google', { scope: 'profile email' }));
app.get('/auth/google/callback', passport.authenticate('google', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/twitter', passport.authenticate('twitter'));
app.get('/auth/twitter/callback', passport.authenticate('twitter', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});
app.get('/auth/linkedin', passport.authenticate('linkedin', { state: 'SOME STATE' }));
app.get('/auth/linkedin/callback', passport.authenticate('linkedin', { failureRedirect: '/login' }), function(req, res) {
  res.redirect(req.session.returnTo || '/');
});

/**
 * OAuth authorization routes. (API examples)
 */
app.get('/auth/foursquare', passport.authorize('foursquare'));
app.get('/auth/foursquare/callback', passport.authorize('foursquare', { failureRedirect: '/api' }), function(req, res) {
  res.redirect('/api/foursquare');
});
app.get('/auth/tumblr', passport.authorize('tumblr'));
app.get('/auth/tumblr/callback', passport.authorize('tumblr', { failureRedirect: '/api' }), function(req, res) {
  res.redirect('/api/tumblr');
});
app.get('/auth/venmo', passport.authorize('venmo', { scope: 'make_payments access_profile access_balance access_email access_phone' }));
app.get('/auth/venmo/callback', passport.authorize('venmo', { failureRedirect: '/api' }), function(req, res) {
  res.redirect('/api/venmo');
});

/**
 * Error Handler.
 */
app.use(errorHandler());

/**
 * Start Express server.
 */
var server = app.listen(app.get('port'), function() {
  console.log('Express server listening on port %d in %s mode', app.get('port'), app.get('env'));
});

io = require('socket.io').listen(server)
io.sockets.on('connection', function(client) {

    console.log("CONNECTION");
    var username = null;
    var streamId = null;

    client.on('info', function(info) {
      console.log("GOT INFO", info);
      username = info.username;
      streamId = info.streamId;
      var eventName = username + '/' + streamId + '/data';
      console.log("LISTENING FOR", eventName);
      emitter.on(eventName, function(data) {
        console.log("ABOUT TO EMIT DATA");
        client.emit('data', data);
      });
    });

    // client.on('data', function (data) {
    //   var eventName = username + '/' + streamId + '/data';
    //   emitter.emit(eventName, data);
    // });
});

module.exports = app;