course/publish/index.php

   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  * @package    course
  19  * @subpackage publish
  20  * @author     Jerome Mouneyrac <jerome@mouneyrac.com>
  21  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
  22  * @copyright  (C) 1999 onwards Martin Dougiamas  http://dougiamas.com
  23  *
  24  * The user selects if he wants to publish the course on Moodle.org hub or
  25  * on a specific hub. The site must be registered on a hub to be able to
  26  * publish a course on it.
  27 */
  28
  29 require('../../config.php');
  30 require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php');
  31 require_once($CFG->dirroot . '/course/publish/lib.php');
  32
  33 $id = required_param('id', PARAM_INT);
  34 $hubname = optional_param('hubname', 0, PARAM_TEXT);
  35 $huburl = optional_param('huburl', 0, PARAM_URL);
  36
  37 $course = $DB->get_record('course', array('id'=>$id), '*', MUST_EXIST);
  38
  39 require_login($course);
  40 $context = context_course::instance($course->id);
  41 $shortname = format_string($course->shortname, true, array('context' => $context));
  42
  43 $PAGE->set_url('/course/publish/index.php', array('id' => $course->id));
  44 $PAGE->set_pagelayout('course');
  45 $PAGE->set_title(get_string('course') . ': ' . $course->fullname);
  46 $PAGE->set_heading($course->fullname);
  47
  48 //check that the PHP xmlrpc extension is enabled
  49 if (!extension_loaded('xmlrpc')) {
  50     $notificationerror = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
  51     $notificationerror .= get_string('xmlrpcdisabledpublish', 'hub');
  52     echo $OUTPUT->header();
  53     echo $OUTPUT->heading(get_string('publishcourse', 'hub', $shortname), 3, 'main');
  54     echo $OUTPUT->notification($notificationerror);
  55     echo $OUTPUT->footer();
  56     die();
  57 }
  58
  59 if (has_capability('moodle/course:publish', context_course::instance($id))) {
  60
  61     $publicationmanager = new course_publish_manager();
  62     $confirmmessage = '';
  63
  64     //update the courses status
  65     $updatestatusid = optional_param('updatestatusid', false, PARAM_INT);
  66     if (!empty($updatestatusid) and confirm_sesskey()) {
  67         //get the communication token from the publication
  68         $hub = $publicationmanager->get_registeredhub_by_publication($updatestatusid);
  69         if (empty($hub)) {
  70             $confirmmessage = $OUTPUT->notification(get_string('nocheckstatusfromunreghub', 'hub'));
  71         } else {
  72             //get all site courses registered on this hub
  73             $function = 'hub_get_courses';
  74             $params = array('search' => '', 'downloadable' => 1,
  75                 'enrollable' => 1, 'options' => array( 'allsitecourses' => 1));
  76             $serverurl = $hub->huburl."/local/hub/webservice/webservices.php";
  77             require_once($CFG->dirroot."/webservice/xmlrpc/lib.php");
  78             $xmlrpcclient = new webservice_xmlrpc_client($serverurl, $hub->token);
  79             $result = $xmlrpcclient->call($function, $params);
  80             $sitecourses = $result['courses'];
  81
  82             //update status for all these course
  83             foreach ($sitecourses as $sitecourse) {
  84                 //get the publication from the hub course id
  85                 $publication = $publicationmanager->get_publication($sitecourse['id'], $hub->huburl);
  86                 if (!empty($publication)) {
  87                     $publication->status = $sitecourse['privacy'];
  88                     $publication->timechecked = time();
  89                     $publicationmanager->update_publication($publication);
  90                 } else {
  91                     $msgparams = new stdClass();
  92                     $msgparams->id = $sitecourse['id'];
  93                     $msgparams->hubname = html_writer::tag('a', $hub->hubname, array('href' => $hub->huburl));
  94                     $confirmmessage .= $OUTPUT->notification(
  95                             get_string('detectednotexistingpublication', 'hub', $msgparams));
  96                 }
  97             }
  98         }
  99     }
 100
 101     //if the site os registered on no hub display an error page
 102     $registrationmanager = new registration_manager();
 103     $registeredhubs = $registrationmanager->get_registered_on_hubs();
 104     if (empty($registeredhubs)) {
 105         echo $OUTPUT->header();
 106         echo $OUTPUT->heading(get_string('publishon', 'hub'), 3, 'main');
 107         echo $OUTPUT->box(get_string('notregisteredonhub', 'hub'));
 108         echo $OUTPUT->footer();
 109         die();
 110     }
 111
 112     $renderer = $PAGE->get_renderer('core', 'publish');
 113
 114     /// UNPUBLISH
 115     $cancel = optional_param('cancel', 0, PARAM_BOOL);
 116     if (!empty($cancel) and confirm_sesskey()) {
 117         $confirm = optional_param('confirm', 0, PARAM_BOOL);
 118         $hubcourseid = optional_param('hubcourseid', 0, PARAM_INT);
 119         $publicationid = optional_param('publicationid', 0, PARAM_INT);
 120         $timepublished = optional_param('timepublished', 0, PARAM_INT);
 121         $publication = new stdClass();
 122         $publication->courseshortname = $course->shortname;
 123         $publication->courseid = $course->id;
 124         $publication->hubname = $hubname;
 125         $publication->huburl = $huburl;
 126         $publication->hubcourseid = $hubcourseid;
 127         $publication->timepublished = $timepublished;
 128         if (empty($publication->hubname)) {
 129              $publication->hubname = $huburl;
 130         }
 131         $publication->id = $publicationid;
 132         if($confirm) {
 133             //unpublish the publication by web service
 134             $registeredhub = $registrationmanager->get_registeredhub($huburl);
 135             $function = 'hub_unregister_courses';
 136             $params = array('courseids' => array( $publication->hubcourseid));
 137             $serverurl = $huburl."/local/hub/webservice/webservices.php";
 138             require_once($CFG->dirroot."/webservice/xmlrpc/lib.php");
 139             $xmlrpcclient = new webservice_xmlrpc_client($serverurl, $registeredhub->token);
 140             $result = $xmlrpcclient->call($function, $params);
 141
 142             //delete the publication from the database
 143             $publicationmanager->delete_publication($publicationid);
 144
 145             //display confirmation message
 146             $confirmmessage = $OUTPUT->notification(get_string('courseunpublished', 'hub', $publication), 'notifysuccess');
 147
 148         } else {
 149             //display confirmation page for unpublishing
 150
 151             echo $OUTPUT->header();
 152             echo $OUTPUT->heading(get_string('unpublishcourse', 'hub', $shortname), 3, 'main');
 153             echo $renderer->confirmunpublishing($publication);
 154             echo $OUTPUT->footer();
 155             die();
 156         }
 157     }
 158
 159     //check if a course was published
 160     if (optional_param('published', 0, PARAM_TEXT)) {
 161         $confirmmessage = $OUTPUT->notification(get_string('coursepublished', 'hub',
 162                 empty($hubname)?$huburl:$hubname), 'notifysuccess');
 163     }
 164
 165
 166     /// OUTPUT
 167     echo $OUTPUT->header();
 168     echo $confirmmessage;
 169
 170     echo $OUTPUT->heading(get_string('publishcourse', 'hub', $shortname), 3, 'main');
 171     echo $renderer->publicationselector($course->id);
 172
 173     $publications = $publicationmanager->get_course_publications($course->id);
 174     if (!empty($publications)) {
 175         echo $OUTPUT->heading(get_string('publishedon', 'hub'), 3, 'main');
 176         echo $renderer->registeredonhublisting($course->id, $publications);
 177     }
 178
 179     echo $OUTPUT->footer();
 180
 181 }