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   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   * Form class for mybackpack.php
  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  defined('MOODLE_INTERNAL') || die();
  28  
  29  require_once($CFG->libdir . '/formslib.php');
  30  require_once($CFG->libdir . '/badgeslib.php');
  31  
  32  /**
  33   * Form to edit backpack initial details.
  34   *
  35   */
  36  class edit_backpack_form extends moodleform {
  37  
  38      /**
  39       * Defines the form
  40       */
  41      public function definition() {
  42          global $USER, $PAGE, $OUTPUT;
  43          $mform = $this->_form;
  44  
  45          $mform->addElement('html', html_writer::tag('span', '', array('class' => 'notconnected', 'id' => 'connection-error')));
  46          $mform->addElement('header', 'backpackheader', get_string('backpackconnection', 'badges'));
  47          $mform->addHelpButton('backpackheader', 'backpackconnection', 'badges');
  48          $mform->addElement('static', 'url', get_string('url'), BADGE_BACKPACKURL);
  49          $status = html_writer::tag('span', get_string('notconnected', 'badges'),
  50              array('class' => 'notconnected', 'id' => 'connection-status'));
  51          $mform->addElement('static', 'status', get_string('status'), $status);
  52  
  53          $nojs = html_writer::tag('noscript', get_string('error:personaneedsjs', 'badges'),
  54              array('class' => 'notconnected'));
  55          $personadiv = $OUTPUT->container($nojs, null, 'persona-container');
  56  
  57          $mform->addElement('static', 'persona', '', $personadiv);
  58          $mform->addHelpButton('persona', 'personaconnection', 'badges');
  59  
  60          $PAGE->requires->js(new moodle_url('https://login.persona.org/include.js'));
  61          $PAGE->requires->js('/badges/backpack.js');
  62          $PAGE->requires->js_init_call('badges_init_persona_login_button', null, false);
  63          $PAGE->requires->strings_for_js(array('error:backpackloginfailed', 'signinwithyouremail',
  64              'error:noassertion', 'error:connectionunknownreason', 'error:badjson', 'connecting',
  65              'notconnected'), 'badges');
  66  
  67          $mform->addElement('hidden', 'userid', $USER->id);
  68          $mform->setType('userid', PARAM_INT);
  69  
  70          $mform->addElement('hidden', 'backpackurl', BADGE_BACKPACKURL);
  71          $mform->setType('backpackurl', PARAM_URL);
  72  
  73      }
  74  
  75      /**
  76       * Validates form data
  77       */
  78      public function validation($data, $files) {
  79          global $DB;
  80          $errors = parent::validation($data, $files);
  81  
  82          $check = new stdClass();
  83          $check->backpackurl = $data['backpackurl'];
  84          $check->email = $data['email'];
  85  
  86          $bp = new OpenBadgesBackpackHandler($check);
  87          $request = $bp->curl_request('user');
  88          if (isset($request->status) && $request->status == 'missing') {
  89              $errors['email'] = get_string('error:nosuchuser', 'badges');
  90          }
  91          return $errors;
  92      }
  93  }
  94  
  95  /**
  96   * Form to select backpack collections.
  97   *
  98   */
  99  class edit_collections_form extends moodleform {
 100  
 101      /**
 102       * Defines the form
 103       */
 104      public function definition() {
 105          global $USER;
 106          $mform = $this->_form;
 107          $email = $this->_customdata['email'];
 108          $bid = $this->_customdata['backpackid'];
 109          $selected = $this->_customdata['selected'];
 110  
 111          if (isset($this->_customdata['groups'])) {
 112              $groups = $this->_customdata['groups'];
 113              $nogroups = null;
 114          } else {
 115              $groups = null;
 116              $nogroups = $this->_customdata['nogroups'];
 117          }
 118  
 119          $mform->addElement('header', 'backpackheader', get_string('backpackconnection', 'badges'));
 120          $mform->addHelpButton('backpackheader', 'backpackconnection', 'badges');
 121          $mform->addElement('static', 'url', get_string('url'), BADGE_BACKPACKURL);
 122  
 123          $status = html_writer::tag('span', get_string('connected', 'badges'), array('class' => 'connected'));
 124          $mform->addElement('static', 'status', get_string('status'), $status);
 125          $mform->addElement('static', 'email', get_string('email'), $email);
 126          $mform->addHelpButton('email', 'backpackemail', 'badges');
 127          $mform->addElement('submit', 'disconnect', get_string('disconnect', 'badges'));
 128  
 129          $mform->addElement('header', 'collectionheader', get_string('backpackimport', 'badges'));
 130          $mform->addHelpButton('collectionheader', 'backpackimport', 'badges');
 131  
 132          if (!empty($groups)) {
 133              $mform->addElement('static', 'selectgroup', '', get_string('selectgroup_start', 'badges'));
 134              foreach ($groups as $group) {
 135                  $name = $group->name . ' (' . $group->badges . ')';
 136                  $mform->addElement('advcheckbox', 'group[' . $group->groupId . ']', null, $name, array('group' => 1), array(false, $group->groupId));
 137                  if (in_array($group->groupId, $selected)) {
 138                      $mform->setDefault('group[' . $group->groupId . ']', $group->groupId);
 139                  }
 140              }
 141              $mform->addElement('static', 'selectgroup', '', get_string('selectgroup_end', 'badges'));
 142          } else {
 143              $mform->addElement('static', 'selectgroup', '', $nogroups);
 144          }
 145  
 146          $mform->addElement('hidden', 'backpackid', $bid);
 147          $mform->setType('backpackid', PARAM_INT);
 148  
 149          $this->add_action_buttons();
 150      }
 151  }