From 5a04379a4969e2a2cb627b7b31a1dbecfe1a8d28 Mon Sep 17 00:00:00 2001
From: mjollnir_ <mjollnir_>
Date: Tue, 16 Sep 2008 20:42:59 +0000
Subject: [PATCH] MDL-15758 - make sure there's a break between
 mutliple-session chat export

---
 mod/chat/lib.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/mod/chat/lib.php b/mod/chat/lib.php
index 9189a8294f..17a4f1489b 100644
--- a/mod/chat/lib.php
+++ b/mod/chat/lib.php
@@ -889,13 +889,20 @@ class chat_portfolio_caller extends portfolio_module_caller_base {
 
     public function prepare_package() {
         $content = '';
+        $lasttime = 0;
+        $sessiongap = 5 * 60;    // 5 minutes silence means a new session
         foreach ($this->messages as $message) {  // We are walking FORWARDS through messages
-            $m = clone $message; // grrrrrr
+            $m = clone $message; // grrrrrr - this causes the sha1 to change as chat_format_message changes what it's passed.
             $formatmessage = chat_format_message($m, null, $this->user);
             if (!isset($formatmessage->html)) {
                 continue;
             }
+            if (empty($lasttime) || (($message->timestamp - $lasttime) > $sessiongap)) {
+                $content .= '<hr />';
+                $content .= userdate($message->timestamp);
+            }
             $content .= $formatmessage->html;
+            $lasttime = $message->timestamp;
         }
         $content = preg_replace('/\<img[^>]*\>/', '', $content);
 
-- 
2.39.5