closes #1434

public/src/forum/topic.js

@@ -243,8 +243,21 @@ define(['forum/pagination', 'forum/topic/threadTools', 'forum/topic/postTools',
 
 		socket.on('user.isOnline', function(err, data) {
 			app.populateOnlineUsers();
+
+			updateActiveUsers(data);
 		});
 
+		function updateActiveUsers(data) {
+			var activeEl = $('.thread_active_users');
+			var user = activeEl.find('a[data-uid="'+ data.uid + '"]');
+			if (user.length && !data.online) {
+				user.parent().remove();
+			} else if(!user.length && data.online) {
+				user = createUserIcon(data.uid, data.picture, data.userslug, data.username);
+				activeEl.append(user);
+			}
+		}
+
 		socket.on('event:voted', function(data) {
 			updatePostVotesAndUserReputation(data);
 		});

src/user.js

@@ -354,25 +354,24 @@ var bcrypt = require('bcryptjs'),
 	};
 
 	User.isOnline = function(uid, callback) {
-		User.getUserField(uid, 'status', function(err, status) {
+		User.getUserFields(uid, ['username', 'userslug', 'picture', 'status'] , function(err, data) {
 			if(err) {
 				return callback(err);
 			}
 
 			var online = require('./socket.io').isUserOnline(uid);
 
-			status = online ? (status || 'online') : 'offline';
+			data.status = online ? (data.status || 'online') : 'offline';
 
-			if(status === 'offline') {
+			if(data.status === 'offline') {
 				online = false;
 			}
 
-			callback(null, {
-				online: online,
-				uid: uid,
-				timestamp: Date.now(),
-				status: status
-			});
+			data.online = online;
+			data.uid = uid;
+			data.timestamp = Date.now();
+
+			callback(null, data);
 		});
 	};