MDL-40712 badges: Display recipient information
[moodle.git] / badges / external.php
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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 * 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
27require_once(dirname(dirname(__FILE__)) . '/config.php');
28require_once($CFG->libdir . '/badgeslib.php');
29
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30$json = optional_param('badge', null, PARAM_RAW);
31// Redirect to homepage if users are trying to access external badge through old url.
32if ($json) {
33 redirect($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' => $userid)));
40
41// Using the same setting as user profile page.
42if (!empty($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$badges = $out->badges;
55
56// Loop through the badges and check if supplied badge hash exists in user external badges.
57foreach ($badges as $b) {
58 if ($hash == hash("md5", $b->hostedUrl)) {
59 $badge = $b;
60 break;
61 }
62}
63
64// If we didn't find the badge, a user might be trying to replace userid parameter.
65if (is_null($badge)) {
66 print_error(get_string('error:externalbadgedoesntexist', 'badges'));
67}
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68
69$PAGE->set_context(context_system::instance());
70$output = $PAGE->get_renderer('core', 'badges');
71
737a352f 72$badge = new external_badge($badge, $userid);
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74$PAGE->set_pagelayout('base');
75$PAGE->set_title(get_string('issuedbadge', 'badges'));
76
77echo $OUTPUT->header();
78
79echo $output->render($badge);
80
81echo $OUTPUT->footer();