wip chat users and rooms base

tests_hugo/chat_node/chat_server/event_adduser.js

@@ -0,0 +1,18 @@
+const add_user = (socket, usernames, 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('updatemsg', 'SERVER', 'you have connected to room1');
+	// echo to room 1 that a person has connected to their room
+	socket.broadcast.to('room1').emit('updatemsg', 'SERVER', username + ' has connected to this room');
+	//socket.emit('updaterooms', rooms, 'room1');
+};
+
+module.exports = add_user;
+

tests_hugo/chat_node/chat_server/event_sendmsg.js

@@ -0,0 +1,7 @@
+const send_msg = (socket, msg) => {
+//	console.log('message received: ' + msg);
+	socket.to(socket.room).emit('updatemsg', socket.username, msg);
+};
+
+module.exports = send_msg;
+

tests_hugo/chat_node/chat_server/server.js

@@ -1,9 +1,5 @@
-//let app = require('express')();
-//let server = require('http').createServer(app);
-//let io = require('socket.io')(http);
 
 const express = require('express');
-//const cors = require('cors');
 const app = express();
 const http = require('http');
 const server = http.createServer(app);
@@ -15,29 +11,52 @@ const io = new Server(server, {
 		origin: "*"
 	}
 });
+const send_msg = require('./event_sendmsg');
+const add_user = require('./event_adduser');
 
-// cors : https://stackoverflow.com/questions/7067966/why-doesnt-adding-cors-headers-to-an-options-route-allow-browsers-to-access-my
-// https://www.npmjs.com/package/cors
-//app.use(cors());
-
-//app.get("/", function (req, res) {
-//	console.log("req.headers: ");
-//	console.log(req.headers);
-//})
+let usernames = {};
+let rooms = ['room1', 'room2', 'room3'];
 
 io.on('connection', (socket) => {
 
 	console.log('a user is connected');
 
-	socket.on('disconnect', function () {
-		console.log('a user is disconnected');
-	})
+	socket.on('adduser', (username) => {
+		add_user(socket, username);
+	});
 
-	socket.on('chat_message', function (msg) {
-		console.log('message received: ' + msg);
-		socket.broadcast.emit('chat_message', msg);
-		//io.emit('chat_message', msg);
-	})
+	socket.on('sendmsg', (msg) => {
+		send_msg(socket, msg);
+	});
+
+//	socket.on('sendmsg', function (data) {
+//		// we tell the client to execute 'updatechat' with 2 parameters
+//		io.sockets.in(socket.room).emit('updatemsg', 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);
+	});
+
+	socket.on('disconnect', () => {
+		// 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);
+	});
 
 });