badges/mybackpack.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  * User backpack settings page.
  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($CFG->libdir . '/badgeslib.php');
  29
  30 require_login();
  31
  32 if (empty($CFG->enablebadges)) {
  33     throw new \moodle_exception('badgesdisabled', 'badges');
  34 }
  35
  36 $context = context_user::instance($USER->id);
  37 require_capability('moodle/badges:manageownbadges', $context);
  38
  39 $disconnect = optional_param('disconnect', false, PARAM_BOOL);
  40
  41 if (empty($CFG->badges_allowexternalbackpack)) {
  42     redirect($CFG->wwwroot);
  43 }
  44
  45 $PAGE->set_url(new moodle_url('/badges/mybackpack.php'));
  46 $PAGE->set_context($context);
  47
  48 $title = get_string('backpackdetails', 'badges');
  49 $PAGE->set_title($title);
  50 $PAGE->set_heading(fullname($USER));
  51 $PAGE->set_pagelayout('standard');
  52
  53 $backpack = $DB->get_record('badge_backpack', array('userid' => $USER->id));
  54 $badgescache = cache::make('core', 'externalbadges');
  55
  56 if ($disconnect && $backpack) {
  57     require_sesskey();
  58     $sitebackpack = badges_get_user_backpack();
  59     if ($sitebackpack->apiversion == OPEN_BADGES_V2P1) {
  60         $bp = new \core_badges\backpack_api2p1($sitebackpack);
  61         $bp->disconnect_backpack($backpack);
  62         redirect(new moodle_url('/badges/mybackpack.php'), get_string('backpackdisconnected', 'badges'), null,
  63             \core\output\notification::NOTIFY_SUCCESS);
  64     } else {
  65         // If backpack is connected, need to select collections.
  66         $bp = new \core_badges\backpack_api($sitebackpack, $backpack);
  67         $bp->disconnect_backpack($USER->id, $backpack->id);
  68         redirect(new moodle_url('/badges/mybackpack.php'));
  69     }
  70 }
  71 $warning = '';
  72 if ($backpack) {
  73
  74     $sitebackpack = badges_get_user_backpack();
  75
  76     // If backpack is connected, need to select collections.
  77     $bp = new \core_badges\backpack_api($sitebackpack, $backpack);
  78     $request = $bp->get_collections();
  79     $groups = $request;
  80     if (isset($request->groups)) {
  81         $groups = $request->groups;
  82     }
  83     if (empty($groups)) {
  84         $err = get_string('error:nogroupssummary', 'badges');
  85         $err .= get_string('error:nogroupslink', 'badges', $sitebackpack->backpackweburl);
  86         $params['nogroups'] = $err;
  87     } else {
  88         $params['groups'] = $groups;
  89     }
  90     $params['email'] = $backpack->email;
  91     $params['selected'] = $bp->get_collection_record($backpack->id);
  92     $params['backpackweburl'] = $sitebackpack->backpackweburl;
  93     $form = new \core_badges\form\collections(new moodle_url('/badges/mybackpack.php'), $params);
  94
  95     if ($form->is_cancelled()) {
  96         redirect(new moodle_url('/badges/mybadges.php'));
  97     } else if ($data = $form->get_data()) {
  98         if (empty($data->group)) {
  99             redirect(new moodle_url('/badges/mybadges.php'));
 100         } else {
 101             $groups = array_filter($data->group);
 102         }
 103         $bp->set_backpack_collections($backpack->id, $groups);
 104         redirect(new moodle_url('/badges/mybadges.php'));
 105     }
 106 } else {
 107     // If backpack is not connected, need to connect first.
 108     // To create a new connection to the backpack, first we need to verify the user's email address:
 109     // 1. User enters email and clicks 'Connect to backpack'.
 110     // 2. After cross-checking the email address against the backpack provider, an email is sent to the specified address,
 111     // and the email and secret are stored in user preferences. These will be cleared upon successful verification.
 112     // 3. User clicks verification link in the email to confirm the backpack connection.
 113     // 4. User redirected to the mybackpack page.
 114     // While the verification process is pending, the edit_backpack_form form will present the user with options to resend the
 115     // verification email, and to cancel the current verification attempt and start over.
 116
 117     // To pass through the current state of the verification attempt to the form.
 118     $params['email'] = get_user_preferences('badges_email_verify_address');
 119     $params['backpackpassword'] = get_user_preferences('badges_email_verify_password');
 120     $params['backpackid'] = get_user_preferences('badges_email_verify_backpackid');
 121
 122     $form = new \core_badges\form\backpack(new moodle_url('/badges/mybackpack.php'), $params);
 123     $data = $form->get_submitted_data();
 124     if ($form->is_cancelled()) {
 125         redirect(new moodle_url('/badges/mybadges.php'));
 126     } else if ($form->is_submitted()) {
 127         if (badges_open_badges_backpack_api($data->externalbackpackid) == OPEN_BADGES_V2P1) {
 128             // If backpack is version 2.1 to redirect on the backpack site to login.
 129             // User input username/email/password on the backpack site
 130             // After confirm the scopes.
 131             redirect(new moodle_url('/badges/backpack-connect.php', ['backpackid' => $data->externalbackpackid]));
 132         } else if ($data = $form->get_data()) {
 133             // The form may have been submitted under one of the following circumstances:
 134             // 1. After clicking 'Connect to backpack'. We'll have $data->email.
 135             // 2. After clicking 'Resend verification email'. We'll have $data->email.
 136             // 3. After clicking 'Connect using a different email' to cancel the verification process. We'll have $data->revertbutton.
 137
 138             if (isset($data->revertbutton)) {
 139                 badges_disconnect_user_backpack($USER->id);
 140                 redirect(new moodle_url('/badges/mybackpack.php'));
 141             } else if (isset($data->backpackemail)) {
 142                 if (badges_send_verification_email($data->backpackemail, $data->externalbackpackid, $data->password)) {
 143                     $a = get_user_preferences('badges_email_verify_backpackid');
 144                     redirect(new moodle_url('/badges/mybackpack.php'),
 145                         get_string('backpackemailverifypending', 'badges', $data->backpackemail),
 146                         null, \core\output\notification::NOTIFY_INFO);
 147                 } else {
 148                     throw new \moodle_exception('backpackcannotsendverification', 'badges');
 149                 }
 150             }
 151         }
 152     }
 153 }
 154
 155 echo $OUTPUT->header();
 156 echo $OUTPUT->heading($title);
 157 echo $warning;
 158 $form->display();
 159 echo $OUTPUT->footer();