1<?php
2/**
3* script for bulk user delete operations
4*/
5
6require_once('../../config.php');
7require_once($CFG->libdir.'/adminlib.php');
8
9$confirm = optional_param('confirm', 0, PARAM_BOOL);
10
11admin_externalpage_setup('userbulk');
12require_capability('moodle/user:delete', context_system::instance());
13
14$return = $CFG->wwwroot.'/'.$CFG->admin.'/user/user_bulk.php';
15
16if (empty($SESSION->bulk_users)) {
17    redirect($return);
18}
19
20echo $OUTPUT->header();
21
22//TODO: add support for large number of users
23
24if ($confirm and confirm_sesskey()) {
25    $notifications = '';
26    list($in, $params) = $DB->get_in_or_equal($SESSION->bulk_users);
27    $rs = $DB->get_recordset_select('user', "deleted = 0 and id $in", $params);
28    foreach ($rs as $user) {
29        if (!is_siteadmin($user) and $USER->id != $user->id and delete_user($user)) {
30            unset($SESSION->bulk_users[$user->id]);
31        } else {
32            $notifications .= $OUTPUT->notification(get_string('deletednot', '', fullname($user, true)));
33        }
34    }
35    $rs->close();
36    \core\session\manager::gc(); // Remove stale sessions.
37    echo $OUTPUT->box_start('generalbox', 'notice');
38    if (!empty($notifications)) {
39        echo $notifications;
40    } else {
41        echo $OUTPUT->notification(get_string('changessaved'), 'notifysuccess');
42    }
43    $continue = new single_button(new moodle_url($return), get_string('continue'), 'post');
44    echo $OUTPUT->render($continue);
45    echo $OUTPUT->box_end();
46} else {
47    list($in, $params) = $DB->get_in_or_equal($SESSION->bulk_users);
48    $userlist = $DB->get_records_select_menu('user', "id $in", $params, 'fullname', 'id,'.$DB->sql_fullname().' AS fullname');
49    $usernames = implode(', ', $userlist);
50    echo $OUTPUT->heading(get_string('confirmation', 'admin'));
51    $formcontinue = new single_button(new moodle_url('user_bulk_delete.php', array('confirm' => 1)), get_string('yes'));
52    $formcancel = new single_button(new moodle_url('user_bulk.php'), get_string('no'), 'get');
53    echo $OUTPUT->confirm(get_string('deletecheckfull', '', $usernames), $formcontinue, $formcancel);
54}
55
56echo $OUTPUT->footer();
57