MDL-36014 cohorts: Support cohort visibility in Upload cohorts
[moodle.git] / enrol / manual / ajax.php
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1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * This file processes AJAX enrolment actions and returns JSON for the manual enrolments plugin
19 *
20 * The general idea behind this file is that any errors should throw exceptions
21 * which will be returned and acted upon by the calling AJAX script.
22 *
6f6c9e5c 23 * @package enrol_manual
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24 * @copyright 2010 Sam Hemelryk
25 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
26 */
27
28define('AJAX_SCRIPT', true);
29
30require('../../config.php');
31require_once($CFG->dirroot.'/enrol/locallib.php');
32require_once($CFG->dirroot.'/group/lib.php');
33
6f6c9e5c 34$id = required_param('id', PARAM_INT); // Course id.
405aca35 35$action = required_param('action', PARAM_ALPHANUMEXT);
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36
37$PAGE->set_url(new moodle_url('/enrol/ajax.php', array('id'=>$id, 'action'=>$action)));
38
74df2951 39$course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
55bcef29 40$context = context_course::instance($course->id, MUST_EXIST);
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41
42if ($course->id == SITEID) {
43 throw new moodle_exception('invalidcourse');
44}
45
46require_login($course);
47require_capability('moodle/course:enrolreview', $context);
48require_sesskey();
49
6f6c9e5c 50echo $OUTPUT->header(); // Send headers.
cf855c0b 51
076995bf 52$manager = new course_enrolment_manager($PAGE, $course);
cf855c0b 53
13bd955e 54$outcome = new stdClass();
cf855c0b 55$outcome->success = true;
13bd955e 56$outcome->response = new stdClass();
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57$outcome->error = '';
58
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59$searchanywhere = get_user_preferences('userselector_searchanywhere', false);
60
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61switch ($action) {
62 case 'getassignable':
63 $otheruserroles = optional_param('otherusers', false, PARAM_BOOL);
64 $outcome->response = array_reverse($manager->get_assignable_roles($otheruserroles), true);
65 break;
66 case 'searchusers':
67 $enrolid = required_param('enrolid', PARAM_INT);
e059c033 68 $search = optional_param('search', '', PARAM_RAW);
cf855c0b 69 $page = optional_param('page', 0, PARAM_INT);
4be3ed4b 70 $addedenrollment = optional_param('enrolcount', 0, PARAM_INT);
62a973ce 71 $perpage = optional_param('perpage', 25, PARAM_INT); // This value is hard-coded to 25 in quickenrolment.js
4be3ed4b 72 $outcome->response = $manager->get_potential_users($enrolid, $search, $searchanywhere, $page, $perpage, $addedenrollment);
b849c212 73 $extrafields = get_extra_user_fields($context);
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74 $useroptions = array();
75 // User is not enrolled yet, either link to site profile or do not link at all.
76 if (has_capability('moodle/user:viewdetails', context_system::instance())) {
77 $useroptions['courseid'] = SITEID;
78 } else {
79 $useroptions['link'] = false;
80 }
cf855c0b 81 foreach ($outcome->response['users'] as &$user) {
d2f3c5c5 82 $user->picture = $OUTPUT->user_picture($user, $useroptions);
cf855c0b 83 $user->fullname = fullname($user);
b849c212 84 $fieldvalues = array();
85 foreach ($extrafields as $field) {
86 $fieldvalues[] = s($user->{$field});
87 unset($user->{$field});
88 }
89 $user->extrafields = implode(', ', $fieldvalues);
cf855c0b 90 }
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91 // Chrome will display users in the order of the array keys, so we need
92 // to ensure that the results ordered array keys. Fortunately, the JavaScript
93 // does not care what the array keys are. It uses user.id where necessary.
94 $outcome->response['users'] = array_values($outcome->response['users']);
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95 $outcome->success = true;
96 break;
97 case 'enrol':
98 $enrolid = required_param('enrolid', PARAM_INT);
99 $userid = required_param('userid', PARAM_INT);
100
101 $roleid = optional_param('role', null, PARAM_INT);
102 $duration = optional_param('duration', 0, PARAM_INT);
103 $startdate = optional_param('startdate', 0, PARAM_INT);
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104 $recovergrades = optional_param('recovergrades', 0, PARAM_INT);
105
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106 if (empty($roleid)) {
107 $roleid = null;
108 }
109
110 switch($startdate) {
111 case 2:
112 $timestart = $course->startdate;
113 break;
114 case 3:
115 default:
116 $today = time();
117 $today = make_timestamp(date('Y', $today), date('m', $today), date('d', $today), 0, 0, 0);
118 $timestart = $today;
119 break;
120 }
121 if ($duration <= 0) {
122 $timeend = 0;
123 } else {
124 $timeend = $timestart + ($duration*24*60*60);
125 }
126
127 $user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
128 $instances = $manager->get_enrolment_instances();
005e57a2 129 $plugins = $manager->get_enrolment_plugins(true); // Do not allow actions on disabled plugins.
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130 if (!array_key_exists($enrolid, $instances)) {
131 throw new enrol_ajax_exception('invalidenrolinstance');
132 }
133 $instance = $instances[$enrolid];
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134 if (!isset($plugins[$instance->enrol])) {
135 throw new enrol_ajax_exception('enrolnotpermitted');
136 }
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137 $plugin = $plugins[$instance->enrol];
138 if ($plugin->allow_enrol($instance) && has_capability('enrol/'.$plugin->get_name().':enrol', $context)) {
ef8a733a 139 $plugin->enrol_user($instance, $user->id, $roleid, $timestart, $timeend, null, $recovergrades);
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140 } else {
141 throw new enrol_ajax_exception('enrolnotpermitted');
142 }
143 $outcome->success = true;
144 break;
145
146 default:
147 throw new enrol_ajax_exception('unknowajaxaction');
148}
149
6f6c9e5c 150echo json_encode($outcome);