/// Create the user selector objects.
$options = array('context' => $context, 'roleid' => $roleid);
if ($context->contextlevel > CONTEXT_COURSE && !is_inside_frontpage($context)) {
$potentialuserselector = new potential_assignees_below_course('addselect', $options);
} else {
$potentialuserselector = new potential_assignees_course_and_above('addselect', $options);
}
if ($context->contextlevel == CONTEXT_SYSTEM && is_admin_role($roleid)) {
$currentuserselector = new existing_role_holders_site_admin('removeselect', $options);
} else {
$currentuserselector = new existing_role_holders('removeselect', $options);
}
/// Process incoming role assignments
$errors = array();
if (optional_param('add', false, PARAM_BOOL) && confirm_sesskey()) {
$userstoassign = $potentialuserselector->get_selected_users();
if (!empty($userstoassign)) {
foreach ($userstoassign as $adduser) {
$allow = true;
if ($inmeta) {
if (has_capability('moodle/course:managemetacourse', $context, $adduser->id)) {
//ok
} else {
$managerroles = get_roles_with_capability('moodle/course:managemetacourse', CAP_ALLOW, $context);
if (!empty($managerroles) and !array_key_exists($roleid, $managerroles)) {
$erruser = $DB->get_record('user', array('id' => $adduser->id), 'id, firstname, lastname');
$errors[] = get_string('metaassignerror', 'role', fullname($erruser));
$allow = false;
}
}
}
