From b54b3cbe6957b46d3b689b0108b0b767b7da261b Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Mon, 10 Oct 2016 20:48:56 +0800
Subject: Add more comments in the code and remove unused code file

---
 lib/realtime.js | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib')

diff --git a/lib/realtime.js b/lib/realtime.js
index ae624c24..c9c6543c 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -518,13 +518,16 @@ function disconnect(socket) {
 	var noteId = socket.noteId;
     var note = notes[noteId];
     if (note) {
+        // delete user in users
         delete note.users[socket.id];
+        // remove sockets in the note socks
         do {
             var index = note.socks.indexOf(socket);
             if (index != -1) {
                 note.socks.splice(index, 1);
             }
         } while (index != -1);
+        // remove note in notes if no user inside
         if (Object.keys(note.users).length <= 0) {
             if (note.server.isDirty) {
                 updateNote(note, function (err, _note) {
-- 
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