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MDL-83185 core_courseformat: Refresh cache on group change
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* When we add users to a group (or remove them), we should refresh
the course index cache so it stays in sync with what the user
can actually see.
laurentdavid committed Oct 31, 2024

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1 parent 4b4a5d5 commit 9179730
Showing 2 changed files with 63 additions and 0 deletions.
55 changes: 55 additions & 0 deletions course/format/classes/hook_listener.php
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@@ -0,0 +1,55 @@
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.

namespace core_courseformat;

use core_group\hook\after_group_membership_added;
use core_group\hook\after_group_membership_removed;

/**
* Hook listener for course format
*
* @package core_courseformat
* @copyright 2024 Laurent David <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class hook_listener {
/**
* Add members to group room when a new member is added to the group.
*
* @param after_group_membership_added $hook The group membership added hook.
*/
public static function add_members_to_group(
after_group_membership_added $hook,
): void {
$group = $hook->groupinstance;
$course = get_course($group->courseid);
base::invalidate_all_session_caches_for_course($course);
}

/**
* Remove members from the room when a member is removed from group room.
*
* @param after_group_membership_removed $hook The group membership removed hook.
*/
public static function remove_members_from_group(
after_group_membership_removed $hook,
): void {
$group = $hook->groupinstance;
$course = get_course($group->courseid);
base::invalidate_all_session_caches_for_course($course);
}
}
8 changes: 8 additions & 0 deletions lib/db/hooks.php
Original file line number Diff line number Diff line change
@@ -45,6 +45,14 @@
'hook' => \core_group\hook\after_group_membership_removed::class,
'callback' => \core_communication\hook_listener::class . '::remove_members_from_group_room',
],
[
'hook' => \core_group\hook\after_group_membership_added::class,
'callback' => \core_courseformat\hook_listener::class . '::add_members_to_group',
],
[
'hook' => \core_group\hook\after_group_membership_removed::class,
'callback' => \core_courseformat\hook_listener::class . '::remove_members_from_group',
],
[
'hook' => \core_course\hook\after_course_created::class,
'callback' => \core_communication\hook_listener::class . '::create_course_communication',

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