/**
* Run synchronization process
*
* @param progress_trace $trace
* @param int|null $courseid or null for all courses
* @return void
*/
function local_metagroups_sync(progress_trace $trace, $courseid = null)
{
global $DB;
if ($courseid !== null) {
$courseids = array($courseid);
} else {
$courseids = local_metagroups_parent_courses();
}
foreach (array_unique($courseids) as $courseid) {
$parent = get_course($courseid);
// If parent course doesn't use groups, we can skip synchronization.
if (groups_get_course_groupmode($parent) == NOGROUPS) {
continue;
}
$trace->output($parent->fullname, 1);
$children = local_metagroups_child_courses($parent->id);
foreach ($children as $childid) {
$child = get_course($childid);
$trace->output($child->fullname, 2);
$groups = groups_get_all_groups($child->id);
foreach ($groups as $group) {
if (!($metagroup = $DB->get_record('groups', array('courseid' => $parent->id, 'idnumber' => $group->id)))) {
$metagroup = new stdClass();
$metagroup->courseid = $parent->id;
$metagroup->idnumber = $group->id;
$metagroup->name = $group->name;
$metagroup->id = groups_create_group($metagroup, false, false);
}
$trace->output($metagroup->name, 3);
$users = groups_get_members($group->id);
foreach ($users as $user) {
groups_add_member($metagroup->id, $user->id, 'local_metagroups', $group->id);
}
}
}
}
}
/**
* Group member removed
*
* @param \core\event\group_member_removed $event
* @return void
*/
public static function group_member_removed(\core\event\group_member_removed $event)
{
global $DB;
$group = $event->get_record_snapshot('groups', $event->objectid);
$user = \core_user::get_user($event->relateduserid, '*', MUST_EXIST);
$courseids = local_metagroups_parent_courses($group->courseid);
foreach ($courseids as $courseid) {
$course = get_course($courseid);
if ($metagroup = $DB->get_record('groups', array('courseid' => $course->id, 'idnumber' => $group->id))) {
groups_remove_member($metagroup, $user);
}
}
}
