[Summary view] [Print] [Text view]

   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   * Display details of an issued badge with criteria and evidence
  19   *
  20   * @package    core
  21   * @subpackage badges
  22   * @copyright  2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   * @author     Yuliya Bozhko <yuliya.bozhko@totaralms.com>
  25   */
  26  
  27  require_once(__DIR__ . '/../config.php');
  28  require_once($CFG->libdir . '/badgeslib.php');
  29  
  30  $json = optional_param('badge', null, PARAM_RAW);
  31  // Redirect to homepage if users are trying to access external badge through old url.
  32  if ($json) {
  33      redirect($CFG->wwwroot, get_string('invalidrequest', 'error'), 3);
  34  }
  35  
  36  $hash = required_param('hash', PARAM_ALPHANUM);
  37  $userid = required_param('user', PARAM_INT);
  38  
  39  $PAGE->set_url(new moodle_url('/badges/external.php', array('hash' => $hash, 'user' => $userid)));
  40  
  41  // Using the same setting as user profile page.
  42  if (!empty($CFG->forceloginforprofiles)) {
  43      require_login();
  44      if (isguestuser()) {
  45          $SESSION->wantsurl = $PAGE->url->out(false);
  46          redirect(get_login_url());
  47      }
  48  } else if (!empty($CFG->forcelogin)) {
  49      require_login();
  50  }
  51  
  52  // Get all external badges of a user.
  53  $out = get_backpack_settings($userid);
  54  
  55  // If we didn't find any badges then print an error.
  56  if (is_null($out)) {
  57      print_error('error:externalbadgedoesntexist', 'badges');
  58  }
  59  
  60  $badges = $out->badges;
  61  
  62  // The variable to store the badge we want.
  63  $badge = '';
  64  
  65  // Loop through the badges and check if supplied badge hash exists in user external badges.
  66  foreach ($badges as $b) {
  67      if ($hash == hash("md5", $b->hostedUrl)) {
  68          $badge = $b;
  69          break;
  70      }
  71  }
  72  
  73  // If we didn't find the badge a user might be trying to replace the userid parameter.
  74  if (empty($badge)) {
  75      print_error('error:externalbadgedoesntexist', 'badges');
  76  }
  77  
  78  $PAGE->set_context(context_system::instance());
  79  $output = $PAGE->get_renderer('core', 'badges');
  80  
  81  $badge = new external_badge($badge, $userid);
  82  
  83  $PAGE->set_pagelayout('base');
  84  $PAGE->set_title(get_string('issuedbadge', 'badges'));
  85  $PAGE->set_heading(s($badge->issued->assertion->badge->name));
  86  $PAGE->navbar->add(s($badge->issued->assertion->badge->name));
  87  if (isloggedin() && $USER->id == $userid) {
  88      $url = new moodle_url('/badges/mybadges.php');
  89  } else {
  90      $url = new moodle_url($CFG->wwwroot);
  91  }
  92  navigation_node::override_active_url($url);
  93  
  94  echo $OUTPUT->header();
  95  
  96  echo $output->render($badge);
  97  
  98  echo $OUTPUT->footer();