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<?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 for the cohort plugin
*
* 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 enrol
* @subpackage cohort
* @copyright 2011 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/cohort/locallib.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_ACTION);
$PAGE->set_url(new moodle_url('/enrol/cohort/ajax.php', array('id'=>$id, 'action'=>$action)));
$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
$context = get_context_instance(CONTEXT_COURSE, $course->id, MUST_EXIST);
if ($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;
$outcome->error = '';
switch ($action) {
case 'getassignable':
$otheruserroles = optional_param('otherusers', false, PARAM_BOOL);
$outcome->response = array_reverse($manager->get_assignable_roles($otheruserroles), true);
break;
case 'getdefaultcohortrole': //TODO: use in ajax UI MDL-24280
$cohortenrol = enrol_get_plugin('cohort');
$outcome->response = $cohortenrol->get_config('roleid');
break;
case 'getcohorts':
require_capability('moodle/course:enrolconfig', $context);
$offset = optional_param('offset', 0, PARAM_INT);
$search = optional_param('search', '', PARAM_RAW);
$outcome->response = enrol_cohort_search_cohorts($manager, $offset, 25, $search);
break;
case 'enrolcohort':
require_capability('moodle/course:enrolconfig', $context);
require_capability('enrol/cohort:config', $context);
$roleid = required_param('roleid', PARAM_INT);
$cohortid = required_param('cohortid', PARAM_INT);
$roles = $manager->get_assignable_roles();
if (!enrol_cohort_can_view_cohort($cohortid) || !array_key_exists($roleid, $roles)) {
throw new enrol_ajax_exception('errorenrolcohort');
}
$enrol = enrol_get_plugin('cohort');
$enrol->add_instance($manager->get_course(), array('customint1' => $cohortid, 'roleid' => $roleid));
enrol_cohort_sync($manager->get_course()->id);
break;
case 'enrolcohortusers':
require_capability('enrol/manual:enrol', $context);
$roleid = required_param('roleid', PARAM_INT);
$cohortid = required_param('cohortid', PARAM_INT);
$result = enrol_cohort_enrol_all_users($manager, $cohortid, $roleid);
$roles = $manager->get_assignable_roles();
if (!enrol_cohort_can_view_cohort($cohortid) || !array_key_exists($roleid, $roles)) {
throw new enrol_ajax_exception('errorenrolcohort');
}
if ($result === false) {
throw new enrol_ajax_exception('errorenrolcohortusers');
}
$outcome->success = true;
$outcome->response->users = $result;
$outcome->response->title = get_string('success');
$outcome->response->message = get_string('enrollednewusers', 'enrol', $result);
$outcome->response->yesLabel = get_string('ok');
break;
default:
throw new enrol_ajax_exception('unknowajaxaction');
}
echo json_encode($outcome);
die();
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