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Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
/enrol/ -> ajax.php (source)
<?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/>.

/**
 * This file processes AJAX enrolment actions and returns JSON
 *
 * The general idea behind this file is that any errors should throw exceptions
 * which will be returned and acted upon by the calling AJAX script.
 *
 * @package    core_enrol
 * @copyright  2010 Sam Hemelryk
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

define('AJAX_SCRIPT', true);

require('../config.php');
require_once("$CFG->dirroot/enrol/locallib.php");
require_once("$CFG->dirroot/enrol/renderer.php");
require_once("$CFG->dirroot/group/lib.php");

// Must have the sesskey
$id      = required_param('id', PARAM_INT); // course id
$action  = required_param('action', PARAM_ALPHANUMEXT);

$PAGE->set_url(new moodle_url('/enrol/ajax.php', array('id'=>$id, 'action'=>$action)));

$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
$context = context_course::instance($course->id, MUST_EXIST);

if ($course->id == SITEID) {
    throw new moodle_exception('invalidcourse');
}

require_login($course);
require_capability('moodle/course:enrolreview', $context);
require_sesskey();

echo $OUTPUT->header(); // send headers

$manager = new course_enrolment_manager($PAGE, $course);

$outcome = new stdClass();
$outcome->success = true;
$outcome->response = new stdClass();
$outcome->error = '';

< $searchanywhere = get_user_preferences('userselector_searchanywhere', false);
> $searchanywhere = get_user_preferences('userselector_searchtype') === USER_SEARCH_CONTAINS;
switch ($action) { case 'unenrol': $ue = $DB->get_record('user_enrolments', array('id'=>required_param('ue', PARAM_INT)), '*', MUST_EXIST); list ($instance, $plugin) = $manager->get_user_enrolment_components($ue); if (!$instance || !$plugin || !enrol_is_enabled($instance->enrol) || !$plugin->allow_unenrol_user($instance, $ue) || !has_capability("enrol/$instance->enrol:unenrol", $manager->get_context()) || !$manager->unenrol_user($ue)) { throw new enrol_ajax_exception('unenrolnotpermitted'); } break; case 'unassign': $role = required_param('role', PARAM_INT); $user = required_param('user', PARAM_INT); if (!has_capability('moodle/role:assign', $manager->get_context()) || !$manager->unassign_role_from_user($user, $role)) { throw new enrol_ajax_exception('unassignnotpermitted'); } break; case 'assign': $user = $DB->get_record('user', array('id'=>required_param('user', PARAM_INT)), '*', MUST_EXIST); $roleid = required_param('roleid', PARAM_INT); if (!array_key_exists($roleid, $manager->get_assignable_roles())) { throw new enrol_ajax_exception('invalidrole'); } if (!has_capability('moodle/role:assign', $manager->get_context()) || !$manager->assign_role_to_user($roleid, $user->id)) { throw new enrol_ajax_exception('assignnotpermitted'); } $outcome->response->roleid = $roleid; break; case 'getassignable': $otheruserroles = optional_param('otherusers', false, PARAM_BOOL); $outcome->response = $manager->get_assignable_roles_for_json($otheruserroles); break; case 'searchotherusers': $search = optional_param('search', '', PARAM_RAW); $page = optional_param('page', 0, PARAM_INT); $outcome->response = $manager->search_other_users($search, $searchanywhere, $page); // TODO Does not support custom user profile fields (MDL-70456). $extrafields = \core_user\fields::get_identity_fields($context, false); $useroptions = array(); // User is not enrolled, either link to site profile or do not link at all. if (has_capability('moodle/user:viewdetails', context_system::instance())) { $useroptions['courseid'] = SITEID; } else { $useroptions['link'] = false; } foreach ($outcome->response['users'] as &$user) { $user->userId = $user->id; $user->picture = $OUTPUT->user_picture($user, $useroptions); $user->fullname = fullname($user); $fieldvalues = array(); foreach ($extrafields as $field) { $fieldvalues[] = s($user->{$field}); unset($user->{$field}); } $user->extrafields = implode(', ', $fieldvalues); unset($user->id); } // Chrome will display users in the order of the array keys, so we need // to ensure that the results ordered array keys. Fortunately, the JavaScript // does not care what the array keys are. It uses user.id where necessary. $outcome->response['users'] = array_values($outcome->response['users']); $outcome->success = true; break; default: throw new enrol_ajax_exception('unknowajaxaction'); } echo json_encode($outcome); die();