sender's username

Signed-off-by: Arnav Gupta <[email protected]>

Author: championswimmer

public/script.js

@@ -27,5 +27,7 @@ $('#btnSendMsg').click(() => {
 })
 
 socket.on('msg_rcvd', (data) => {
-  $('#ulMsgs').append($('<li>').text(data.msg))
+  $('#ulMsgs').append($('<li>').text(
+    `[${data.from}] : ${data.msg}`
+  ))
 })

server.js

@@ -9,27 +9,33 @@ const io = socketio(server)
 let users = {
   arnav: 'agag123',
 }
+let socketMap = {}
 
 io.on('connection', (socket) => {
   console.log('connected with socket id =', socket.id)
 
+  function login(s, u) {
+    s.join(u)
+    s.emit('logged_in')
+    socketMap[s.id] = u
+    console.log(socketMap)
+  }
+
   socket.on('login', (data) => {
     if (users[data.username]) {
       if (users[data.username] == data.password) {
-        socket.join(data.username)
-        socket.emit('logged_in')
+        login(socket, data.username)
       } else {
         socket.emit('login_failed')
       }
     } else {
       users[data.username] = data.password
-      socket.join(data.username)
-      socket.emit('logged_in')
+      login(socket, data.username)
     }
-    console.log(users)
   })
 
   socket.on('msg_send', (data) => {
+    data.from = socketMap[socket.id]
     if (data.to) {
       io.to(data.to).emit('msg_rcvd', data)
     } else {