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POfacebook and socket.io node.js
 

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  1. POfacebook and socket.io node.js
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    <p>I have a some god idea, but I have some problems... how to connect facebook user to node app - socket.io </p> <p>I was created an socket.io chat but now want to allow facebook users to come to chat to create something like facebook group CHAT. I think that idea is fine?</p> <p>Here is my code for chat:</p> <p>server side file - app.js</p> <pre><code>var app = require('express').createServer() var io = require('socket.io').listen(app); app.listen(8080); // routing app.get('/', function (req, res) { res.sendfile(__dirname + '/index.html'); }); // 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){ // 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 = 'room1'; // add the client's username to the global list usernames[username] = username; // send client to room 1 socket.join('room1'); // echo to client they've connected socket.emit('updatechat', 'SERVER', 'you have connected to room1'); // echo to room 1 that a person has connected to their room socket.broadcast.to('room1').emit('updatechat', 'SERVER', username + ' has connected to this room'); socket.emit('updaterooms', rooms, 'room1'); }); // 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){ // leave the current room (stored in session) socket.leave(socket.room); // join new room, received as function parameter socket.join(newroom); socket.emit('updatechat', 'SERVER', 'you have connected to '+ newroom); // sent message to OLD room socket.broadcast.to(socket.room).emit('updatechat', 'SERVER', socket.username+' has left this room'); // update socket session room title socket.room = newroom; socket.broadcast.to(newroom).emit('updatechat', 'SERVER', socket.username+' has joined this room'); 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', 'SERVER', socket.username + ' has disconnected'); socket.leave(socket.room); }); }); </code></pre> <p>and index.html</p> <pre><code>&lt;script src="/socket.io/socket.io.js"&gt;&lt;/script&gt; &lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"&gt;&lt;/script&gt; &lt;script&gt; var socket = io.connect('http://localhost:8080'); // on connection to server, ask for user's name with an anonymous callback socket.on('connect', function(){ // call the server-side function 'adduser' and send one parameter (value of prompt) socket.emit('adduser', prompt("What's your name?")); }); // listener, whenever the server emits 'updatechat', this updates the chat body socket.on('updatechat', function (username, data) { $('#conversation').append('&lt;b&gt;'+username + ':&lt;/b&gt; ' + data + '&lt;br&gt;'); }); // listener, whenever the server emits 'updaterooms', this updates the room the client is in socket.on('updaterooms', function(rooms, current_room) { $('#rooms').empty(); $.each(rooms, function(key, value) { if(value == current_room){ $('#rooms').append('&lt;div&gt;' + value + '&lt;/div&gt;'); } else { $('#rooms').append('&lt;div&gt;&lt;a href="#" onclick="switchRoom(\''+value+'\')"&gt;' + value + '&lt;/a&gt;&lt;/div&gt;'); } }); }); function switchRoom(room){ socket.emit('switchRoom', room); } // on load of page $(function(){ // when the client clicks SEND $('#datasend').click( function() { var message = $('#data').val(); $('#data').val(''); // tell server to execute 'sendchat' and send along one parameter socket.emit('sendchat', message); }); // when the client hits ENTER on their keyboard $('#data').keypress(function(e) { if(e.which == 13) { $(this).blur(); $('#datasend').focus().click(); } }); }); &lt;/script&gt; &lt;div style="float:left;width:100px;border-right:1px solid black;height:300px;padding:10px;overflow:scroll-y;"&gt; &lt;b&gt;ROOMS&lt;/b&gt; &lt;div id="rooms"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div style="float:left;width:300px;height:250px;overflow:scroll-y;padding:10px;"&gt; &lt;div id="conversation"&gt;&lt;/div&gt; &lt;input id="data" style="width:200px;" /&gt; &lt;input type="button" id="datasend" value="send" /&gt; &lt;/div&gt; </code></pre> <p>and how to allow users to come to chta with their facebook account via fbLogin button:</p> <p>Here is fb login code, but HOW to implemet this code to my chat script to allow users to come with facebook accounts.</p> <pre><code>&lt;button id="fb-auth"&gt;Login&lt;/button&gt; &lt;script&gt; function updateButton(response) { Log.info('Updating Button', response); var button = document.getElementById('fb-auth'); if (response.status === 'connected') { button.innerHTML = 'Logout'; button.onclick = function() { FB.logout(function(response) { Log.info('FB.logout callback', response); }); }; } else { button.innerHTML = 'Login'; button.onclick = function() { FB.login(function(response) { Log.info('FB.login callback', response); if (response.status === 'connected') { Log.info('User is logged in'); } else { Log.info('User is logged out'); } }); }; } } </code></pre>
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