admin/registration/index.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /*
  19  * @package    moodle
  20  * @subpackage registration
  21  * @author     Jerome Mouneyrac <jerome@mouneyrac.com>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
  23  * @copyright  (C) 1999 onwards Martin Dougiamas  http://dougiamas.com
  24  *
  25  * On this page the administrator selects which hub he wants to register (except for moodle.net)
  26  * Admins can register with moodle.net via the site admin menu "Registration" link.
  27  * On this page the administrator can also unregister from any hubs including moodle.net.
  28  */
  29
  30 require('../../config.php');
  31
  32 require_once($CFG->libdir . '/adminlib.php');
  33 require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php');
  34 require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/forms.php');
  35 require_once($CFG->dirroot . '/course/publish/lib.php');
  36 require_once($CFG->dirroot . "/webservice/xmlrpc/lib.php");
  37
  38 admin_externalpage_setup('registrationhubs');
  39
  40 $renderer = $PAGE->get_renderer('core', 'register');
  41
  42 $unregistration = optional_param('unregistration', 0, PARAM_INT);
  43 $cleanregdata = optional_param('cleanregdata', 0, PARAM_BOOL);
  44 $confirm = optional_param('confirm', 0, PARAM_INT);
  45 $huburl = optional_param('huburl', '', PARAM_URL);
  46 $cancel = optional_param('cancel', null, PARAM_ALPHA);
  47
  48 $registrationmanager = new registration_manager();
  49 $publicationmanager = new course_publish_manager();
  50 $errormessage = '';
  51 if (empty($cancel) and $unregistration and $confirm and confirm_sesskey()) {
  52
  53     $hub = $registrationmanager->get_registeredhub($huburl);
  54
  55     //unpublish course and unregister the site by web service
  56     if (!$cleanregdata) {
  57
  58         //check if we need to unpublish courses
  59         //enrollable courses
  60         $unpublishalladvertisedcourses = optional_param('unpublishalladvertisedcourses', 0, PARAM_INT);
  61         $hubcourseids = array();
  62         if ($unpublishalladvertisedcourses) {
  63             $enrollablecourses = $publicationmanager->get_publications($huburl, null, 1);
  64             if (!empty($enrollablecourses)) {
  65                 foreach ($enrollablecourses as $enrollablecourse) {
  66                     $hubcourseids[] = $enrollablecourse->hubcourseid;
  67                 }
  68             }
  69         }
  70         //downloadable courses
  71         $unpublishalluploadedcourses = optional_param('unpublishalluploadedcourses', 0, PARAM_INT);
  72         if ($unpublishalluploadedcourses) {
  73             $downloadablecourses = $publicationmanager->get_publications($huburl, null, 0);
  74             if (!empty($downloadablecourses)) {
  75                 foreach ($downloadablecourses as $downloadablecourse) {
  76                     $hubcourseids[] = $downloadablecourse->hubcourseid;
  77                 }
  78             }
  79         }
  80
  81         //unpublish the courses by web service
  82         if (!empty($hubcourseids)) {
  83             $function = 'hub_unregister_courses';
  84             $params = array('courseids' => $hubcourseids);
  85             $serverurl = $huburl . "/local/hub/webservice/webservices.php";
  86             $xmlrpcclient = new webservice_xmlrpc_client($serverurl, $hub->token);
  87             try {
  88                 $result = $xmlrpcclient->call($function, $params);
  89                 //delete the published courses
  90                 if (!empty($enrollablecourses)) {
  91                     $publicationmanager->delete_hub_publications($huburl, 1);
  92                 }
  93                 if (!empty($downloadablecourses)) {
  94                     $publicationmanager->delete_hub_publications($huburl, 0);
  95                 }
  96             } catch (Exception $e) {
  97                 $errormessage = $e->getMessage();
  98                 $errormessage .= html_writer::empty_tag('br') .
  99                         get_string('errorunpublishcourses', 'hub');
 100                 $confirm = false;
 101                 $cleanregdata = 1;
 102             }
 103         }
 104     }
 105
 106     //course unpublish went ok, unregister the site now
 107     if ($confirm) {
 108         $function = 'hub_unregister_site';
 109         $params = array();
 110         $serverurl = $huburl . "/local/hub/webservice/webservices.php";
 111         $xmlrpcclient = new webservice_xmlrpc_client($serverurl, $hub->token);
 112         try {
 113             $result = $xmlrpcclient->call($function, $params);
 114         } catch (Exception $e) {
 115             if (!$cleanregdata) {
 116                 $errormessage = $e->getMessage();
 117                 $confirm = false;
 118                 $cleanregdata = 1;
 119             }
 120         }
 121     }
 122
 123     //check that we are still processing the unregistration,
 124     //it could have been unset if an exception were previsouly catched
 125     if ($confirm) {
 126         $registrationmanager->delete_registeredhub($huburl);
 127     }
 128 }
 129
 130 if (empty($cancel) and $unregistration and !$confirm) {
 131
 132     echo $OUTPUT->header();
 133
 134     //do not check sesskey if confirm = false because this script is linked into email message
 135     if (!empty($errormessage)) {
 136         echo $OUTPUT->notification(get_string('unregistrationerror', 'hub', $errormessage));
 137     }
 138
 139     $hub = $registrationmanager->get_registeredhub($huburl);
 140     echo $OUTPUT->heading(get_string('unregisterfrom', 'hub', $hub->hubname), 3, 'main');
 141     if ($cleanregdata) {
 142         $siteunregistrationform = new site_clean_registration_data_form('',
 143                         array('huburl' => $huburl, 'hubname' => $hub->hubname));
 144     } else {
 145         $siteunregistrationform = new site_unregistration_form('',
 146                         array('huburl' => $huburl, 'hubname' => $hub->hubname));
 147     }
 148
 149     $siteunregistrationform->display();
 150 } else {
 151     $registeredonmoodleorg = false;
 152     $moodleorghub = $registrationmanager->get_registeredhub(HUB_MOODLEORGHUBURL);
 153     if (!empty($moodleorghub)) {
 154         $registeredonmoodleorg = true;
 155     }
 156
 157     // load the hub selector form
 158     $hubselectorform = new hub_selector_form();
 159     $fromform = $hubselectorform->get_data();
 160     $selectedhuburl = optional_param('publichub', false, PARAM_URL);
 161     $unlistedhuburl = optional_param('unlistedurl', false, PARAM_TEXT);
 162     $password = optional_param('password', '', PARAM_RAW);
 163     $registeringhuburl = null;
 164     if (!empty($unlistedhuburl)) {
 165         if (clean_param($unlistedhuburl, PARAM_URL) !== '') {
 166             $registeringhuburl = $unlistedhuburl;
 167         }
 168     } else if (!empty($selectedhuburl)) {
 169         $registeringhuburl = $selectedhuburl;
 170     }
 171
 172     // a hub has been selected, redirect to the hub registration page
 173     if (empty($cancel) and !empty($registeringhuburl) and confirm_sesskey()) {
 174         $hubname = optional_param(clean_param($registeringhuburl, PARAM_ALPHANUMEXT), '', PARAM_TEXT);
 175         $params = array('sesskey' => sesskey(), 'huburl' => $registeringhuburl,
 176             'password' => $password, 'hubname' => $hubname);
 177         redirect(new moodle_url($CFG->wwwroot . "/" . $CFG->admin . "/registration/register.php",
 178                         $params));
 179     }
 180
 181     echo $OUTPUT->header();
 182
 183     //check if the site is registered on Moodle.org and display a message about registering on MOOCH
 184     $registered = $DB->count_records('registration_hubs', array('huburl' => HUB_MOODLEORGHUBURL, 'confirmed' => 1));
 185     if (empty($registered)) {
 186         $warningmsg = get_string('registermoochtips', 'hub');
 187         $warningmsg .= $renderer->single_button(new moodle_url('register.php', array('huburl' => HUB_MOODLEORGHUBURL
 188                     , 'hubname' => 'Moodle.org')), get_string('register', 'admin'));
 189         echo $renderer->box($warningmsg, 'buttons mdl-align generalbox adminwarning');
 190     }
 191
 192     //do not check sesskey if confirm = false because this script is linked into email message
 193     if (!empty($errormessage)) {
 194         echo $OUTPUT->notification(get_string('unregistrationerror', 'hub', $errormessage));
 195     }
 196
 197     echo $OUTPUT->heading(get_string('registerwith', 'hub'));
 198
 199     $hubselectorform->display();
 200
 201     if (extension_loaded('xmlrpc')) {
 202         $hubs = $registrationmanager->get_registered_on_hubs();
 203         if (!empty($hubs)) {
 204             echo $OUTPUT->heading(get_string('registeredon', 'hub'), 3, 'main');
 205             echo $renderer->registeredonhublisting($hubs);
 206         }
 207     } else { //display notice about xmlrpc
 208         $xmlrpcnotification = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
 209         $xmlrpcnotification .= get_string('xmlrpcdisabledregistration', 'hub');
 210         echo $OUTPUT->notification($xmlrpcnotification);
 211     }
 212 }
 213 echo $OUTPUT->footer();