/**
* Determine whether the current can manage the association between a given user and userset.
* @param int $userid The ID of a user.
* @param int $clustid The ID of a userset.
* @return bool Success status.
*/
public static function can_manage_assoc($userid, $usersetid)
{
global $USER;
$allowedusersets = array();
// TODO: Ugly, this needs to be overhauled.
$upage = new usersetpage();
if (!usersetpage::can_enrol_into_cluster($usersetid)) {
// The users who satisfty this condition are a superset of those who can manage associations.
return false;
} else {
if ($upage->_has_capability('local/elisprogram:userset_enrol', $usersetid)) {
// Current user has the direct capability.
return true;
}
}
$allowedusersets = userset::get_allowed_clusters($usersetid);
$filter = array(new field_filter('userid', $userid));
// Query to get users associated to at least one enabling userset.
if (empty($allowedusersets)) {
$filter[] = new select_filter('FALSE');
} else {
$filter[] = new in_list_filter('clusterid', $allowedusersets);
}
// User just needs to be in one of the possible usersets.
if (clusterassignment::exists($filter)) {
return true;
}
return false;
}
function cluster_manual_assign_user($clusterid, $userid, $autoenrol = true, $leader = false)
{
global $CFG;
if (!is_numeric($clusterid) || !is_numeric($userid) || $clusterid <= 0 || $userid <= 0) {
return false;
}
if (clusterassignment::exists(array(new field_filter('userid', $userid), new field_filter('clusterid', $clusterid), new field_filter('plugin', 'manual')))) {
return true;
}
$record = new clusterassignment();
$record->clusterid = $clusterid;
$record->userid = $userid;
$record->plugin = 'manual';
$record->autoenrol = $autoenrol;
$record->leader = $leader;
$record->save();
return true;
}
function _user_allowed($id)
{
global $DB;
if (isset($this->contexts['cluster']) && clusterassignment::exists(array(new field_filter('userid', $id), new in_list_filter('clusterid', $this->contexts['cluster'])))) {
return true;
}
if (isset($this->contexts['cluster'])) {
$filter = $this->get_filter('clusterid', 'cluster');
return clusterassignment::count(array(new field_filter('userid', $id), $filter));
}
return false;
}
function cluster_assign_to_user($clusterid, $userid, $autoenrol = true, $leader = false)
{
if (!is_numeric($clusterid) || !is_numeric($userid) || $clusterid <= 0 || $userid <= 0) {
// invalid data
return false;
}
if (clusterassignment::exists(array(new field_filter('userid', $userid), new field_filter('clusterid', $clusterid)))) {
// user already assigned
return true;
}
$usass = new clusterassignment();
$usass->userid = $userid;
$usass->clusterid = $clusterid;
$usass->save();
events_trigger('cluster_assigned', $usass);
return true;
}
