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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Serve endorsement JSON for assertion.
*
* @package core
* @subpackage badges
* @copyright 2018 Tung Thai
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @author Tung Thai <Tung.ThaiDuc@nashtechglobal.com>
*/
define('AJAX_SCRIPT', true);
define('NO_MOODLE_COOKIES', true); // No need for a session here.
require_once(__DIR__ . '/../config.php');
require_once($CFG->libdir . '/badgeslib.php');
if (empty($CFG->enablebadges)) {
print_error('badgesdisabled', 'badges');
}
global $DB;
$id = required_param('id', PARAM_INT);
$action = optional_param('action', null, PARAM_BOOL); // Generates endorsement issuer class if true.
$badge = new badge($id);
$json = array();
$endorsement = $badge->get_endorsement();
$endorsementurl = new moodle_url('/badges/endorsement_json.php', array('id' => $id));
if ($endorsement) {
$issuer = array();
$issuerurl = new moodle_url('/badges/endorsement_json.php', array('id' => $id, 'action' => 1));
$issuer['id'] = $issuerurl->out(false);
$issuer['name'] = $endorsement->issuername;
$issuer['email'] = $endorsement->issueremail;
$issuer['url'] = $endorsement->issuerurl;
if ($action) {
$json = $issuer;
} else {
$json['@context'] = OPEN_BADGES_V2_CONTEXT;
$json['type'] = OPEN_BADGES_V2_TYPE_ENDORSEMENT;
$json['id'] = $endorsementurl->out(false);
$json['issuer'] = $issuer;
if (!empty($endorsement->claimcomment)) {
$json['claim']['id'] = $endorsement->claimid;
$json['claim']['endorsementComment'] = $endorsement->claimcomment;
} else {
$json['claim'] = $endorsement->claimid;
}
$json['issuedOn'] = date('c', $endorsement->dateissued);
$json['verification'] = array('type' => 'hosted');
}
}
echo $OUTPUT->header();
echo json_encode($json);