From dedfc451f3a2c227843bb45f62b64b0cb4ea3683 Mon Sep 17 00:00:00 2001
From: Tim Hunt <T.J.Hunt@open.ac.uk>
Date: Thu, 24 Jun 2021 11:42:33 +0100
Subject: [PATCH] MDL-72010 quiz: prevent session timeouts during attempts

---
 mod/quiz/attempt.php | 1 +
 mod/quiz/summary.php | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/mod/quiz/attempt.php b/mod/quiz/attempt.php
index 53bb81459a5..ba521d9f740 100644
--- a/mod/quiz/attempt.php
+++ b/mod/quiz/attempt.php
@@ -116,6 +116,7 @@ if (!$attemptobj->set_currentpage($page)) {
 // Initialise the JavaScript.
 $headtags = $attemptobj->get_html_head_contributions($page);
 $PAGE->requires->js_init_call('M.mod_quiz.init_attempt_form', null, false, quiz_get_js_module());
+\core\session\manager::keepalive(); // Try to prevent sessions expiring during quiz attempts.
 
 // Arrange for the navigation to be displayed in the first region on the page.
 $navbc = $attemptobj->get_navigation_panel($output, 'quiz_attempt_nav_panel', $page);
diff --git a/mod/quiz/summary.php b/mod/quiz/summary.php
index 682c8b3e7c5..f68fb7dc19e 100644
--- a/mod/quiz/summary.php
+++ b/mod/quiz/summary.php
@@ -79,6 +79,8 @@ if ($attemptobj->is_finished()) {
     redirect($attemptobj->review_url());
 }
 
+\core\session\manager::keepalive(); // Try to prevent sessions expiring during quiz attempts.
+
 // Arrange for the navigation to be displayed.
 if (empty($attemptobj->get_quiz()->showblocks)) {
     $PAGE->blocks->show_only_fake_blocks();