From cebd007faaf81b83718de6f2d1ba0bb8173dcf95 Mon Sep 17 00:00:00 2001
From: Paul Holden <paulh@moodle.com>
Date: Wed, 26 Nov 2025 12:55:29 +0000
Subject: [PATCH] MDL-87228 mod_forum: switch lock discussion time to duration
 element.

---
 public/mod/forum/mod_form.php | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/public/mod/forum/mod_form.php b/public/mod/forum/mod_form.php
index 0a7bb5aaa67..ca2bc2a220d 100644
--- a/public/mod/forum/mod_form.php
+++ b/public/mod/forum/mod_form.php
@@ -162,18 +162,10 @@ class mod_forum_mod_form extends moodleform_mod {
         }
 
         $mform->addElement('header', 'discussionlocking', get_string('discussionlockingheader', 'forum'));
-        $options = [
-            0               => get_string('discussionlockingdisabled', 'forum'),
-            1   * DAYSECS   => get_string('numday', 'core', 1),
-            1   * WEEKSECS  => get_string('numweek', 'core', 1),
-            2   * WEEKSECS  => get_string('numweeks', 'core', 2),
-            30  * DAYSECS   => get_string('nummonth', 'core', 1),
-            60  * DAYSECS   => get_string('nummonths', 'core', 2),
-            90  * DAYSECS   => get_string('nummonths', 'core', 3),
-            180 * DAYSECS   => get_string('nummonths', 'core', 6),
-            1   * YEARSECS  => get_string('numyear', 'core', 1),
-        ];
-        $mform->addElement('select', 'lockdiscussionafter', get_string('lockdiscussionafter', 'forum'), $options);
+        $mform->addElement('duration', 'lockdiscussionafter', get_string('lockdiscussionafter', 'forum'), [
+            'optional' => true,
+            'defaultunit' => DAYSECS,
+        ]);
         $mform->addHelpButton('lockdiscussionafter', 'lockdiscussionafter', 'forum');
         $mform->disabledIf('lockdiscussionafter', 'type', 'eq', 'single');