server.js

var fs 		= require('fs'),
	nowjs 	= require("now"),
	colors 	= require('colors'),
	cradle 	= require('cradle'),
	db 		= new(cradle.Connection)('wesbos.cloudant.com',{
		auth: { username: 'wesbos', password: '---nope--' }
	}).database('dentaleshare');
	/*
		Simple Node Server 
	*/

	httpServer = require('http').createServer(function(req, response){
		var file, ctype;
		// console.log(req.url.green);

		if (req.url.match(/[\w'-\/]*.js/gi)) {
			file = req.url;
			ctype = 'application/javascript';
		}
		else if (req.url.match(/[\w'-\/]*.css/gi)) {
			file = req.url;
			ctype = 'text/css';
		}

		else if (req.url.match(/[\w'-\/]*.jpg/gi)) {
			file = req.url;
			ctype = 'image/jpg';
		}

		else if (req.url.match(/[\w'-\/]*.js/gi)) {
			file = '/index.html';
			ctype = 'text/html';		
		}

		else if (req.url.match(/[\w'-\/]*.png/gi)) {
			file = '/index.html';
			ctype = 'text/html';
		}
		else {
			file = '/index.html';
			ctype = 'text/html';
		}



			
	  fs.readFile(__dirname+file, function(err, data){
	    response.writeHead(200, {'Content-Type': ctype });
	    response.write(data);
	    response.end();
	  });
	}).listen(1234);

	console.log("Listening on port 1234".green)
	/* Start Now.js */
	var everyone = nowjs.initialize(httpServer),

	/* App namespace */
	App = {
		userList : function(that) {
			var userList = nowjs.getGroup(that.now.room).getUsers(function(users){
				var roomData = nowjs.getGroup(that.now.room),
					userData = [],
					i = 0;
				for(var key in roomData.users) {
					var user = roomData.users[key];
					userData[i] = {};
					userData[i]['name'] = user.scopeTable.data['now.user.name'];
					userData[i]['color'] = user.scopeTable.data['now.user.color'];
					i++;
				}
				console.log(userData);
				nowjs.getGroup(that.now.room).now.updateUserList(userData);
			});
		}
	};


nowjs.on('connect', function() {
	// console.log(this.now);
	console.log('Connected!'.green.inverse, this.now.user.name);
	this.now.room = this.now.user.room;
	this.now.user.clientId = this.user.clientId;
	nowjs.getGroup(this.now.room).addUser(this.user.clientId);
	console.log("Joined Room".yellow.inverse, this.now.room,"\n");

	// update the userlist
	App.userList(this);
	// load the latest for this use
	this.now.loadRemote();
});

nowjs.on('disconnect', function() {
	console.log('Disconnected!'.red.inverse);
	console.log(this.now.user.name);
	// Update the userlist
	App.userList(this);
});

everyone.now.distributeDraw  = function(data) {
	// Tell all the clients to draw pixels
	// everyone.now.draw(data);
	nowjs.getGroup(this.now.room).now.draw(data);
	// console.log(this.now);
	console.log(data.x,data.y,data.type);
};

everyone.now.distributeClearCanvas = function() {
	// Clear everyone in the current room's canvas
	console.log('clear canvas called on the server');
	nowjs.getGroup(this.now.room).now.clearCanvas();
};

everyone.now.distributeText = function(data) {
	nowjs.getGroup(this.now.room).now.applyText(data);
}

everyone.now.joinRoom = function() {
};

everyone.now.saveCurrentDrawing = function(base64Image) {
	var room = nowjs.getGroup(this.now.room).groupName;
	console.log("Going to save the drawing for room ",room);

	db.save('drawing-room-'+room, {
	    image : base64Image
	}, function (err, res) {
		if (err) {
			console.log('Error',err);
		}
		else {
			console.log('Successfully saved!');
		}
	});
}

everyone.now.loadRemote = function() {
	var room = nowjs.getGroup(this.now.room).groupName,
		self = this,
		clientId = this.now.user.clientId;

	console.log("Going to get the drawing for room ",room);

	db.get('drawing-room-'+room, function (err, doc) {
		if (err) {
			console.log('Error',err);
		}
		else {
			console.log('sucess, lets send it to the client');
			// console.log(doc.image);
			// console.log(doc.image);
			// pass back the data to the user who requested it
			nowjs.getClient(clientId,function() {
				this.now.drawRemote(doc.image);
			});
			return doc.image;
		}
	});	
}