From 575e309b6ea598cb9894d5531d8d329b20893d9d Mon Sep 17 00:00:00 2001
From: Rodrigo Navarro <rnavarro1@gmail.com>
Date: Sun, 26 Dec 2010 19:28:20 -0200
Subject: [PATCH] Inform when a user leaves the room

---
 app.js                     | 13 +++++++++++++
 public/javascripts/pool.js |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/app.js b/app.js
index cc26cf1..9ebecc4 100644
--- a/app.js
+++ b/app.js
@@ -162,6 +162,19 @@ app.get('/rooms/:room_id/join', filters.getRoom, function(req, res){
   res.redirect('/rooms/' + req.room.id);
 });
 
+app.get('/rooms/:room_id/leave', filters.getRoom, filters.getUser, function(req, res){
+  if (delete req.room.users[req.sessionID]) {
+    req.session.destroy();
+
+    var message = new Message(req.room.name, req.user.nick + ' left the room.');
+    message.type = 'notice';
+    req.room.appendMessage(message);
+  }
+
+  res.writeHead(200);
+  res.end();
+});
+
 // Messages
 // List
 app.get('/rooms/:room_id/messages', filters.getRoom, function(req, res){
diff --git a/public/javascripts/pool.js b/public/javascripts/pool.js
index 30f6753..6fc3be7 100644
--- a/public/javascripts/pool.js
+++ b/public/javascripts/pool.js
@@ -70,4 +70,8 @@ jQuery(function($){
     else
       $('title').html('xpress chat');
   }
+
+  $(window).unload(function() {
+    $.get('/rooms/' + $('#room').data('room-id') + '/leave', null, null, 'json');
+  });
 });