From fd2766f7112856df57c68f9d32a2c92b108fdcb8 Mon Sep 17 00:00:00 2001
From: sostler <sbostler@gmail.com>
Date: Sun, 25 Apr 2010 11:46:37 -0400
Subject: Added version numbers to chat api

---
 src/site.clj        | 15 +++++++++-
 static/js/pichat.js |  4 +++
 template/browser.st | 80 +++++++++++++++++++++++++++--------------------------
 template/chat.st    |  1 +
 4 files changed, 60 insertions(+), 40 deletions(-)

diff --git a/src/site.clj b/src/site.clj
index ec58e46..cc30d61 100644
--- a/src/site.clj
+++ b/src/site.clj
@@ -542,6 +542,18 @@
 
 ;; Chat
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; Chat format version history
+;
+; v0: Keys:   users, messages, timestamp
+;     Date:   Mists of dump antiquity
+;
+; v1: Keys:   users, messages, timestamp, v
+;     Date:   2010/04/25
+;     Note:   Incorporates explicit version
+
+(def *chat-version-number* 1)
+
 (defn validate-room-access [room-key session]
   (let [room (lookup-room room-key)]
     (and room
@@ -566,6 +578,7 @@
     (.setAttribute st "isadminroom" (room :admin_only))
     (.setAttribute st "json_room_key" (json-str (room :key)))
     (.setAttribute st "json_user_nick" (if nick (json-str nick) "null"))
+    (.setAttribute st "version" *chat-version-number*)
     (.setAttribute st "roomname" (room :name))
     (.setAttribute st "timestamp" now)
     (.toString st)))
@@ -587,7 +600,7 @@
          (commute users assoc nick (merge user-info {:last-seen now
                                                      :avatar (session :avatar)}))
          (commute (room :users) assoc nick (user-struct-from-session session))))
-     (resp-success (assoc (updates room since) :timestamp now)))))
+     (resp-success (assoc (updates room since) :timestamp now :v *chat-version-number*)))))
 
 (defn validated-refresh [session params]
   (let [room-key (params :room)
diff --git a/static/js/pichat.js b/static/js/pichat.js
index 6279e48..db49bb1 100644
--- a/static/js/pichat.js
+++ b/static/js/pichat.js
@@ -352,6 +352,10 @@ function updateTopic(newTopic) {
 function refresh() {
     var onSuccess = function(json) {
         try {
+            if (Version != json.v) {
+                location.reload();
+            }
+
             Timestamp = json.timestamp;
             
             $.map(json.messages, function(msg){ MessageContentCache[msg.msg_id.toString()] = msg.content })
diff --git a/template/browser.st b/template/browser.st
index 8cb6403..4ebcd1b 100644
--- a/template/browser.st
+++ b/template/browser.st
@@ -3,38 +3,40 @@
     <title>dump.fm | Image Search Beta</title>
     $head()$
     <link rel="stylesheet" type="text/css" href="/static/css/browser.css">
-	<script type="text/javascript" src="/static/gritter/js/jquery.gritter.js"></script>
-	<link rel="stylesheet" type="text/css" href="/static/gritter/css/jquery.gritter.css" />
-
-
+    <script type="text/javascript" src="/static/gritter/js/jquery.gritter.js"></script>
+    <link rel="stylesheet" type="text/css" href="/static/gritter/css/jquery.gritter.css" />
 
     <script>
-      jQuery(document).ready(initChat);
-      var Nick = $json_user_nick$;
-      var Room = $json_room_key$;
-      var Timestamp = $timestamp$;
-      var PostedMessages = [];
-      var IsAdmin = "$isadmin$";
+    jQuery(document).ready(initChat);
+    var Nick = $json_user_nick$;
+    var Room = $json_room_key$;
+    var Timestamp = $timestamp$;
+    var Version = $version$;
+$if(isadmin)$
+    var IsAdmin = true;
+$else$
+    var IsAdmin = false;
+$endif$
       var growlize = true; 
     </script>
     
     <style>
       iframe {
-          z-index: 50000;
-          position: fixed;
-          top: 300px;
-          right: 25px;
+      z-index: 50000;
+      position: fixed;
+      top: 300px;
+      right: 25px;
 
-          width:100%;
-          height:100%;
-          padding:0px;
-          background-color: #fff;
-          position:absolute;
-          top:0px; left:0px;
-          border:none;
+      width:100%;
+      height:100%;
+      padding:0px;
+      background-color: #fff;
+      position:absolute;
+      top:0px; left:0px;
+      border:none;
       }
     </style>
-  
+    
   </head>
   <body>
     $banner()$
@@ -46,26 +48,26 @@
             <div id="loghead"></div>
           </div>
 
-	  </div>          
-          <div id="messagePane">
-            <div id="messageList">
-              <iframe src="/static/search/browser.html"  allowtransparency="true" scrolling="auto" ></iframe>
-            </div>
-
+	</div>          
+        <div id="messagePane">
+          <div id="messageList">
+            <iframe src="/static/search/browser.html"  allowtransparency="true" scrolling="auto" ></iframe>
           </div>
-        </div>        
-      </div>
+
+        </div>
+      </div>        
     </div>
 </div>
 </div>
-   
-    </div>
-        <div id="footerc">
-       <p>
-       $footer()$</p>
-       <p>
-       </p>
-     </div>
-  </body>
+</div>
+
+</div>
+<div id="footerc">
+  <p>
+    $footer()$</p>
+  <p>
+  </p>
+</div>
+</body>
 
 </html>
diff --git a/template/chat.st b/template/chat.st
index 239f5b9..8c290b7 100644
--- a/template/chat.st
+++ b/template/chat.st
@@ -18,6 +18,7 @@ $endif$
     var Nick = $json_user_nick$;
     var Room = $json_room_key$;
     var Timestamp = $timestamp$;
+    var Version = $version$;
 $if(isadmin)$
     var IsAdmin = true;
 $else$
-- 
cgit v1.2.3-70-g09d2