Proyectos de Subversion Moodle

<?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/>.

/**

 * Select site administrators.

 *

 * @package    core_role

 * @copyright  2010 Petr Skoda {@link http://skodak.org}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require_once(__DIR__ . '/../../config.php');

require_once($CFG->libdir.'/adminlib.php');

$addusersaction = optional_param('add', false, PARAM_BOOL);

$addusers = optional_param('addusers', '', PARAM_SEQUENCE);

$removeusersaction = optional_param('remove', false, PARAM_BOOL);

$removeusers = optional_param('removeusers', '', PARAM_SEQUENCE);

$PAGE->set_url('/admin/roles/admins.php');

admin_externalpage_setup('admins');

if (!is_siteadmin()) {

    die;

}

$admisselector = new core_role_admins_existing_selector();

if (array_key_exists('siteadmins', $CFG->config_php_settings)) {

    echo $OUTPUT->header();

    echo $OUTPUT->heading(get_string('manageadmins', 'core_role'), 3);

    echo $OUTPUT->notification(get_string('siteadministratorsconfigphp', 'core_role'), \core\output\notification::NOTIFY_INFO);

    echo $OUTPUT->box_start();

    echo $OUTPUT->paragraph(get_string('existingadmins', 'core_role'));

    $admisselector->display();

    echo $OUTPUT->box_end();

    echo $OUTPUT->footer();

    die();

}

$potentialadmisselector = new core_role_admins_potential_selector();

if ($addusersaction) {

    if ($userstoadd = $potentialadmisselector->get_selected_users()) {

        $usernames = array_map(static function(stdClass $user) use ($potentialadmisselector): string {

            return $potentialadmisselector->output_user($user);

        }, $userstoadd);

        $userids = implode(',', array_keys($usernames));

        echo $OUTPUT->header();

        echo $OUTPUT->confirm(get_string('confirmaddadmins', 'core_role') . html_writer::alist($usernames),

            new moodle_url('/admin/roles/admins.php', ['addusers' => $userids, 'sesskey' => sesskey()]), $PAGE->url);

        echo $OUTPUT->footer();

        die;

    }

} else if ($removeusersaction) {

    if ($userstoremove = $admisselector->get_selected_users()) {

        // Can not remove self.

        $userstoremove = array_filter($userstoremove, static function(int $userid): bool {

            global $USER;

            return $userid != $USER->id;

        }, ARRAY_FILTER_USE_KEY);

        if ($userstoremove) {

            $usernames = array_map(static function(stdClass $user) use ($admisselector): string {

                return $admisselector->output_user($user);

            }, $userstoremove);

            $userids = implode(',', array_keys($usernames));

            echo $OUTPUT->header();

            echo $OUTPUT->confirm(get_string('confirmremoveadmins', 'core_role') . html_writer::alist($usernames),

                new moodle_url('/admin/roles/admins.php', ['removeusers' => $userids, 'sesskey' => sesskey()]), $PAGE->url);

            echo $OUTPUT->footer();

            die;

        }

    }

} else if (optional_param('main', false, PARAM_BOOL) && confirm_sesskey()) {

    // Setting main administrator will choose the first selected user in the case of multiple selections.

    if ($newmain = $admisselector->get_selected_users()) {

        $newmain = reset($newmain);

        $newmain = $newmain->id;

        $admins = array();

        foreach (explode(',', $CFG->siteadmins) as $admin) {

            $admin = (int)$admin;

            if ($admin) {

                $admins[$admin] = $admin;

            }

        }

        if (isset($admins[$newmain])) {

            $logstringold = implode(', ', $admins);

            unset($admins[$newmain]);

            array_unshift($admins, $newmain);

            $logstringnew = implode(', ', $admins);

            set_config('siteadmins', implode(',', $admins));

            add_to_config_log('siteadmins', $logstringold, $logstringnew, null);

            redirect($PAGE->url);

        }

    }

} else if ($addusers && confirm_sesskey()) {

    $admins = array();

    foreach (explode(',', $CFG->siteadmins) as $admin) {

        $admin = (int)$admin;

        if ($admin) {

            $admins[$admin] = $admin;

        }

    }

    $logstringold = implode(', ', $admins);

    foreach (explode(',', $addusers) as $userid) {

        $admins[$userid] = $userid;

    }

    $logstringnew = implode(', ', $admins);

    set_config('siteadmins', implode(',', $admins));

    add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');

    redirect($PAGE->url);

} else if ($removeusers && confirm_sesskey()) {

    $admins = array();

    foreach (explode(',', $CFG->siteadmins) as $admin) {

        $admin = (int)$admin;

        if ($admin) {

            $admins[$admin] = $admin;

        }

    }

    $logstringold = implode(', ', $admins);

    // Can not remove self.

    foreach (explode(',', $removeusers) as $userid) {

        if ($userid != $USER->id) {

            unset($admins[$userid]);

        }

    }

    $logstringnew = implode(', ', $admins);

    set_config('siteadmins', implode(',', $admins));

    add_to_config_log('siteadmins', $logstringold, $logstringnew, 'core');

    redirect($PAGE->url);

}

// Print header.

echo $OUTPUT->header();

?>

<div id="addadmisform">

    <h3 class="main"><?php print_string('manageadmins', 'core_role'); ?></h3>

    <form id="assignform" method="post" action="<?php echo $PAGE->url ?>">

    <div>

    <input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />

    <table class="generaltable generalbox groupmanagementtable boxaligncenter" summary="">

    <tr>

      <td id='existingcell'>

          <p>

            <label for="removeselect"><?php print_string('existingadmins', 'core_role'); ?></label>

          </p>

          <?php $admisselector->display(); ?>

          </td>

      <td id="buttonscell">

        <p class="arrow_button">

            <input name="add" id="add" type="submit" value="<?php echo $OUTPUT->larrow().'&nbsp;'.get_string('add'); ?>"

                   title="<?php print_string('add'); ?>" class="btn btn-secondary"/><br />

            <input name="remove" id="remove" type="submit" value="<?php echo get_string('remove').'&nbsp;'.$OUTPUT->rarrow(); ?>"

                   title="<?php print_string('remove'); ?>" class="btn btn-secondary"/><br />

            <input name="main" id="main" type="submit" value="<?php echo get_string('mainadminset', 'core_role'); ?>"

                   title="<?php print_string('mainadminset', 'core_role'); ?>" class="btn btn-secondary"/>

        </p>

      </td>

      <td id="potentialcell">

          <p>

            <label for="addselect"><?php print_string('users'); ?></label>

          </p>

          <?php $potentialadmisselector->display(); ?>

      </td>

    </tr>

    </table>

    </div>

    </form>

</div>

<?php

echo $OUTPUT->footer();