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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/>.
/*
* @package moodle
* @subpackage registration
* @author Jerome Mouneyrac <jerome@mouneyrac.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL
* @copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com
*
* On this page the administrator selects which hub he wants to register,
* except for MOOCH. Admins can register with MOOCH with the top admin menu "Registration" link.
* On this page the administrator can also unregister from any hubs, including MOOCH.
*/
require('../../config.php');
require_once($CFG->libdir . '/adminlib.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/forms.php');
require_once($CFG->dirroot . '/course/publish/lib.php');
require_once($CFG->dirroot . "/webservice/xmlrpc/lib.php");
admin_externalpage_setup('registrationhubs');
$renderer = $PAGE->get_renderer('core', 'register');
$unregistration = optional_param('unregistration', 0, PARAM_INT);
$cleanregdata = optional_param('cleanregdata', 0, PARAM_BOOL);
$confirm = optional_param('confirm', 0, PARAM_INT);
$huburl = optional_param('huburl', '', PARAM_URL);
$cancel = optional_param('cancel', null, PARAM_ALPHA);
$registrationmanager = new registration_manager();
$publicationmanager = new course_publish_manager();
$errormessage = '';
if (empty($cancel) and $unregistration and $confirm and confirm_sesskey()) {
$hub = $registrationmanager->get_registeredhub($huburl);
//unpublish course and unregister the site by web service
if (!$cleanregdata) {
//check if we need to unpublish courses
//enrollable courses
$unpublishalladvertisedcourses = optional_param('unpublishalladvertisedcourses', 0, PARAM_INT);
$hubcourseids = array();
if ($unpublishalladvertisedcourses) {
$enrollablecourses = $publicationmanager->get_publications($huburl, null, 1);
if (!empty($enrollablecourses)) {
foreach ($enrollablecourses as $enrollablecourse) {
$hubcourseids[] = $enrollablecourse->hubcourseid;
}
}
}
//downloadable courses
$unpublishalluploadedcourses = optional_param('unpublishalluploadedcourses', 0, PARAM_INT);
if ($unpublishalluploadedcourses) {
$downloadablecourses = $publicationmanager->get_publications($huburl, null, 0);
if (!empty($downloadablecourses)) {
foreach ($downloadablecourses as $downloadablecourse) {
$hubcourseids[] = $downloadablecourse->hubcourseid;
}
}
}
//unpublish the courses by web service
if (!empty($hubcourseids)) {
$function = 'hub_unregister_courses';
$params = array('courseids' => $hubcourseids);
$serverurl = $huburl . "/local/hub/webservice/webservices.php";
$xmlrpcclient = new webservice_xmlrpc_client($serverurl, $hub->token);
try {
$result = $xmlrpcclient->call($function, $params);
//delete the published courses
if (!empty($enrollablecourses)) {
$publicationmanager->delete_hub_publications($huburl, 1);
}
if (!empty($downloadablecourses)) {
$publicationmanager->delete_hub_publications($huburl, 0);
}
} catch (Exception $e) {
$errormessage = $e->getMessage();
$errormessage .= html_writer::empty_tag('br') .
get_string('errorunpublishcourses', 'hub');
$confirm = false;
$cleanregdata = 1;
}
}
}
//course unpublish went ok, unregister the site now
if ($confirm) {
$function = 'hub_unregister_site';
$params = array();
$serverurl = $huburl . "/local/hub/webservice/webservices.php";
$xmlrpcclient = new webservice_xmlrpc_client($serverurl, $hub->token);
try {
$result = $xmlrpcclient->call($function, $params);
} catch (Exception $e) {
if (!$cleanregdata) {
$errormessage = $e->getMessage();
$confirm = false;
$cleanregdata = 1;
}
}
}
//check that we are still processing the unregistration,
//it could have been unset if an exception were previsouly catched
if ($confirm) {
$registrationmanager->delete_registeredhub($huburl);
}
}
if (empty($cancel) and $unregistration and !$confirm) {
echo $OUTPUT->header();
//do not check sesskey if confirm = false because this script is linked into email message
if (!empty($errormessage)) {
echo $OUTPUT->notification(get_string('unregistrationerror', 'hub', $errormessage));
}
$hub = $registrationmanager->get_registeredhub($huburl);
echo $OUTPUT->heading(get_string('unregisterfrom', 'hub', $hub->hubname), 3, 'main');
if ($cleanregdata) {
$siteunregistrationform = new site_clean_registration_data_form('',
array('huburl' => $huburl, 'hubname' => $hub->hubname));
} else {
$siteunregistrationform = new site_unregistration_form('',
array('huburl' => $huburl, 'hubname' => $hub->hubname));
}
$siteunregistrationform->display();
} else {
$registeredonmoodleorg = false;
$moodleorghub = $registrationmanager->get_registeredhub(HUB_MOODLEORGHUBURL);
if (!empty($moodleorghub)) {
$registeredonmoodleorg = true;
}
// load the hub selector form
$hubselectorform = new hub_selector_form();
$fromform = $hubselectorform->get_data();
$selectedhuburl = optional_param('publichub', false, PARAM_URL);
$unlistedhuburl = optional_param('unlistedurl', false, PARAM_TEXT);
$password = optional_param('password', '', PARAM_RAW);
$registeringhuburl = null;
if (!empty($unlistedhuburl)) {
if (clean_param($unlistedhuburl, PARAM_URL) !== '') {
$registeringhuburl = $unlistedhuburl;
}
} else if (!empty($selectedhuburl)) {
$registeringhuburl = $selectedhuburl;
}
// a hub has been selected, redirect to the hub registration page
if (empty($cancel) and !empty($registeringhuburl) and confirm_sesskey()) {
$hubname = optional_param(clean_param($registeringhuburl, PARAM_ALPHANUMEXT), '', PARAM_TEXT);
$params = array('sesskey' => sesskey(), 'huburl' => $registeringhuburl,
'password' => $password, 'hubname' => $hubname);
redirect(new moodle_url($CFG->wwwroot . "/" . $CFG->admin . "/registration/register.php",
$params));
}
echo $OUTPUT->header();
//check if the site is registered on Moodle.org and display a message about registering on MOOCH
$registered = $DB->count_records('registration_hubs', array('huburl' => HUB_MOODLEORGHUBURL, 'confirmed' => 1));
if (empty($registered)) {
$warningmsg = get_string('registermoochtips', 'hub');
$warningmsg .= $renderer->single_button(new moodle_url('register.php', array('huburl' => HUB_MOODLEORGHUBURL
, 'hubname' => 'Moodle.org')), get_string('register', 'admin'));
echo $renderer->box($warningmsg, 'buttons mdl-align generalbox adminwarning');
}
//do not check sesskey if confirm = false because this script is linked into email message
if (!empty($errormessage)) {
echo $OUTPUT->notification(get_string('unregistrationerror', 'hub', $errormessage));
}
echo $OUTPUT->heading(get_string('registerwith', 'hub'));
$hubselectorform->display();
if (extension_loaded('xmlrpc')) {
$hubs = $registrationmanager->get_registered_on_hubs();
if (!empty($hubs)) {
echo $OUTPUT->heading(get_string('registeredon', 'hub'), 3, 'main');
echo $renderer->registeredonhublisting($hubs);
}
} else { //display notice about xmlrpc
$xmlrpcnotification = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
$xmlrpcnotification .= get_string('xmlrpcdisabledregistration', 'hub');
echo $OUTPUT->notification($xmlrpcnotification);
}
}
echo $OUTPUT->footer();
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