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routes.js
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routes.js
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module.exports = function(path, app,io){
var clients = []
app.get('/chatapp', function(req, res){
res.render('home');
});
app.get('/chat', function(req,res){
var ip = req.connection.remoteAddress;
console.log("User IP: "+ip)
res.render('chat');
});
app.get('/', function(req, res){
res.sendFile(path.join(__dirname, 'index.html'));
})
app.get('/getmyip', function(req, res){
var ip = req.connection.remoteAddress;
res.send("Your IP Address is : "+ip)
})
// Initialize a new socket.io application
var chat = io.on('connection', function (socket) {
// When the client emits the 'load' event, reply with the
// number of people in this chat room
if(clients.length == 0){
var key = Math.round((Math.random() * 1000000));
clients.push(key);
console.log("created and pushed key: "+key)
}
else {
var key = clients.pop()
console.log('popped and used key: '+key)
}
socket.emit('getid', { id : key})
socket.on('load',function(data){
var room = findClientsSocket(io,data);
if(room.length === 0 ) {
socket.emit('peopleinchat', {number: 0});
}
else if(room.length === 1) {
socket.emit('peopleinchat', {
number: 1,
user: room[0].username,
// avatar: room[0].avatar,
id: data
});
}
else if(room.length >= 2) {
chat.emit('tooMany', {boolean: true});
}
});
// When the client emits 'login', save his name and avatar,
// and add them to the room
socket.on('login', function(data) {
var room = findClientsSocket(io, data.id);
// Only two people per room are allowed
if (room.length < 2) {
// Use the socket object to store data. Each client gets
// their own unique socket object
socket.username = data.user;
socket.room = data.id;
// socket.avatar = gravatar.url(data.avatar, {s: '140', r: 'x', d: 'mm'});
// Add the client to the room
socket.join(data.id);
if (room.length == 1) {
var usernames = []
// avatars = [];
usernames.push(room[0].username);
usernames.push(socket.username);
// avatars.push(room[0].avatar);
// avatars.push(socket.avatar);
// Send the startChat event to all the people in the
// room, along with a list of people that are in it.
chat.in(data.id).emit('startChat', {
boolean: true,
id: data.id,
users: usernames,
// avatars: avatars
});
}
}
else {
socket.emit('tooMany', {boolean: true});
}
});
// Somebody left the chat
socket.on('disconnect', function() {
// Notify the other person in the chat room
// that his partner has left
socket.broadcast.to(this.room).emit('leave', {
boolean: true,
room: this.room,
user: this.username,
// avatar: this.avatar
});
// leave the room
socket.leave(socket.room);
});
// Handle the sending of messages
socket.on('msg', function(data){
// When the server receives a message, it sends it to the other person in the room.
socket.broadcast.to(socket.room).emit('receive', {msg: data.msg, user: data.user, img: data.img});
console.log(data.user+": "+data.msg)
});
});
};
function findClientsSocket(io,roomId, namespace) {
var res = [],
ns = io.of(namespace ||"/"); // the default namespace is "/"
if (ns) {
for (var id in ns.connected) {
// console.log("id in ns.connected = "+ id)
if(roomId) {
var index = ns.connected[id].rooms.indexOf(roomId) ;
if(index !== -1) {
res.push(ns.connected[id]);
}
}
else {
res.push(ns.connected[id]);
}
}
}
return res;
}