chatterbox.js

var express = require('express')
  , app = express()
  , http = require('http')
  , server = http.createServer(app)
  , sassMiddleware = require('node-sass-middleware')
  , path = require('path')
  , io = require('socket.io').listen(server)
  , Logger = require('le_node');

// setup Log Entries
var log = new Logger({
  token:'5c4fe351-5c5d-4ee5-83bb-1767800c952b'
});

// configure port/host info
var port = process.env.PORT || 8080;
var host = process.env.HOSTNAME || 'localhost';

// start the server
server.listen(port);

// configure express;
app.set('view engine', 'pug');
app.use(express.static('public'));

// setup a middleware for compiling SCSS;
app.use(sassMiddleware({
    src: path.join(__dirname, 'src'),
    dest: path.join(__dirname, 'public'),
    debug: true,
    force: true,
    outputStyle: 'compress'
}));

// routing
app.get('/', function (req, res) {
  //res.send('No room identified... Please try a room specific URL. '+req.params['room_name']);
  res.render('index');
});

app.get('/r/:roomname', function (req, res){
    res.render('chatterbox', {secrete_room: req.params.roomname, host: process.env.HOST, port: port});
});

// Privacy & TOS
app.get('/privacy', function(req, res){
	res.render('privacy_policy');
});
app.get('/tos', function(req, res){
	res.render('tos');
});

// usernames which are currently connected to the chat
var usernames = {};

// rooms which are currently available in chat
var rooms = ['room1','room2','room3'];

io.sockets.on('connection', function (socket) {

	// when the client emits 'adduser', this listens and executes
	socket.on('adduser', function(username, room){
		
		// store the username in the socket session for this client
		socket.username = username;
		
		// store the room name in the socket session for this client
		socket.room = room;
	
		
		// add the client's username to the global list
		usernames[username] = username;
		
		// send client to room 1
		socket.join(room);
		
		// echo to room that a person has connected to their room
		socket.broadcast.to(room).emit('updatechat', 'Chit Chatter[server]', username + ' has connected to this room ('+ Object.keys(usernames).length + " total users).");

		// log the connection
		log.log("debug", {username: username, room: room, type: "connect"});
	});

	// when the client emits 'sendchat', this listens and executes
	socket.on('sendchat', function (data) {
		// we tell the client to execute 'updatechat' with 2 parameters
		io.sockets.in(socket.room).emit('updatechat', socket.username, data);
	});

	socket.on('switchRoom', function(newroom){
		socket.leave(socket.room);
		socket.join(newroom);
		socket.emit('updatechat', 'Chit Chatter[server]', 'you have connected to '+ newroom +" (" + Object.keys(usernames).length + " total users)");
		
		// sent message to OLD room
		socket.broadcast.to(socket.room).emit('updatechat', 'Chit Chatter[server]', socket.username+' has left this room ('+Object.keys(usernames).length+' total users)');
		
		// update socket session room title
		socket.room = newroom;
		socket.broadcast.to(newroom).emit('updatechat', 'Chit Chatter[server]', socket.username+' has joined this room ('+Object.keys(usernames).length+' total users)');
		socket.emit('updaterooms', rooms, newroom);
	});


	// when the user disconnects.. perform this
	socket.on('disconnect', function(){
		// remove the username from global usernames list
		delete usernames[socket.username];
		
		// update list of users in chat, client-side
		io.sockets.emit('updateusers', usernames);
		
		// echo globally that this client has left
		socket.broadcast.emit('updatechat', 'Chit Chatter[server]', socket.username + ' has disconnected ('+Object.keys(usernames).length+' total users)');
		socket.leave(socket.room);
		
		// log the disconnection
		log.log("debug", {username: socket.username, type: "disconnect"});
	});
});