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编辑当前文件:/home2/sdektunc/www/cepali/badges/backpack-add.php

<?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/>.

/**
 * Optionally award a badge and redirect to the my badges page.
 *
 * @package    core_badges
 * @copyright  2019 Damyon Wiese
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(__DIR__ . '/../config.php');
require_once($CFG->libdir . '/badgeslib.php');

if (badges_open_badges_backpack_api() != OPEN_BADGES_V2) {
    throw new coding_exception('No backpacks support Open Badges V2.');
}

require_login();

$id = required_param('hash', PARAM_ALPHANUM);

$PAGE->set_url('/badges/backpack-add.php', array('hash' => $id));
$PAGE->set_context(context_system::instance());
$output = $PAGE->get_renderer('core', 'badges');

$issuedbadge = new \core_badges\output\issued_badge($id);
if (!empty($issuedbadge->recipient->id)) {
    // The flow for issuing a badge is:
    // * Create issuer
    // * Create badge
    // * Create assertion (Award the badge!)

// Get the backpack.
    $badgeid = $issuedbadge->badgeid;
    $badge = new badge($badgeid);
    $backpack = $DB->get_record('badge_backpack', array('userid' => $USER->id));
    $sitebackpack = badges_get_site_backpack($backpack->externalbackpackid);
    $assertion = new core_badges_assertion($id, $sitebackpack->apiversion);
    $api = new \core_badges\backpack_api($sitebackpack);
    $api->authenticate();

// Create issuer.
    $issuer = $assertion->get_issuer();
    if (!($issuerentityid = badges_external_get_mapping($sitebackpack->id, OPEN_BADGES_V2_TYPE_ISSUER, $issuer['email']))) {
        $response = $api->put_issuer($issuer);
        if (!$response) {
            throw new moodle_exception('invalidrequest', 'error');
        }
        $issuerentityid = $response->id;
        badges_external_create_mapping($sitebackpack->id, OPEN_BADGES_V2_TYPE_ISSUER, $issuer['email'], $issuerentityid);
    }
    // Create badge.
    $badge = $assertion->get_badge_class(false);
    $badgeid = $assertion->get_badge_id();
    if (!($badgeentityid = badges_external_get_mapping($sitebackpack->id, OPEN_BADGES_V2_TYPE_BADGE, $badgeid))) {
        $response = $api->put_badgeclass($issuerentityid, $badge);
        if (!$response) {
            throw new moodle_exception('invalidrequest', 'error');
        }
        $badgeentityid = $response->id;
        badges_external_create_mapping($sitebackpack->id, OPEN_BADGES_V2_TYPE_BADGE, $badgeid, $badgeentityid);
    }

// Create assertion (Award the badge!).
    $assertiondata = $assertion->get_badge_assertion(false, false);

$assertionid = $assertion->get_assertion_hash();

if (!($assertionentityid = badges_external_get_mapping($sitebackpack->id, OPEN_BADGES_V2_TYPE_ASSERTION, $assertionid))) {
        $response = $api->put_badgeclass_assertion($badgeentityid, $assertiondata);
        if (!$response) {
            throw new moodle_exception('invalidrequest', 'error');
        }
        $assertionentityid = $response->id;
        badges_external_create_mapping($sitebackpack->id, OPEN_BADGES_V2_TYPE_ASSERTION, $assertionid, $assertionentityid);
        $response = ['success' => 'addedtobackpack'];
    } else {
        $response = ['warning' => 'existsinbackpack'];
    }
    redirect(new moodle_url('/badges/mybadges.php', $response));
} else {
    redirect(new moodle_url('/badges/mybadges.php'));
}