From 9b6a5a9b24f12f835c39824ef6a3281e8e5e22f2 Mon Sep 17 00:00:00 2001
From: Shamim Rezaie <shamim@moodle.com>
Date: Thu, 13 Jun 2019 19:48:43 +1000
Subject: [PATCH] MDL-65786 mod_forum: mark posts as read when they are read

---
 mod/forum/view.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/mod/forum/view.php b/mod/forum/view.php
index 5e489dfb7a8..aee7394b49d 100644
--- a/mod/forum/view.php
+++ b/mod/forum/view.php
@@ -160,12 +160,27 @@ switch ($forum->get_type()) {
                 $orderpostsby
             );
         echo $discussionsrenderer->render($USER, $post, $replies);
+
+        if (!$CFG->forum_usermarksread && forum_tp_is_tracked($forumrecord, $USER)) {
+            $postids = array_map(function($post) {
+                return $post->get_id();
+            }, array_merge([$post], array_values($replies)));
+            forum_tp_mark_posts_read($USER, $postids);
+        }
         break;
     case 'blog':
         $discussionsrenderer = $rendererfactory->get_blog_discussion_list_renderer($forum);
         // Blog forums always show discussions newest first.
         echo $discussionsrenderer->render($USER, $cm, $groupid, $discussionlistvault::SORTORDER_CREATED_DESC,
             $pageno, $pagesize);
+
+        if (!$CFG->forum_usermarksread && forum_tp_is_tracked($forumrecord, $USER)) {
+            $discussions = mod_forum_get_discussion_summaries($forum, $USER, $groupid, null, $pageno, $pagesize);
+            $firstpostids = array_map(function($discussion) {
+                return $discussion->get_first_post()->get_id();
+            }, array_values($discussions));
+            forum_tp_mark_posts_read($USER, $firstpostids);
+        }
         break;
     default:
         $discussionsrenderer = $rendererfactory->get_discussion_list_renderer($forum);