84 lines
3 KiB
PHP
84 lines
3 KiB
PHP
<?php
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// This file is part of the customcert module for Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Handles verifying the code for a certificate.
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*
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* @package mod_customcert
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* @copyright 2017 Mark Nelson <markn@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../../config.php');
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$contextid = required_param('contextid', PARAM_INT);
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$code = optional_param('code', '', PARAM_ALPHANUM); // The code for the certificate we are verifying.
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// Need to be logged in.
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require_login();
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// Ok, now check the user has the ability to verify certificates.
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require_capability('mod/customcert:verifycertificate', context::instance_by_id($contextid));
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// Set up the page.
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$pageurl = new moodle_url('/mod/customcert/verify_certificate.php', array('contextid' => $contextid));
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if ($code) {
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$pageurl->param('code', $code);
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}
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$PAGE->set_url($pageurl);
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$PAGE->set_context(context_system::instance());
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$PAGE->set_title(get_string('verifycertificate', 'customcert'));
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// The form we are using to verify these codes.
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$form = new \mod_customcert\verify_certificate_form($pageurl);
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if ($form->get_data()) {
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$result = new stdClass();
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$result->issues = array();
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// Ok, now check if the code is valid.
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$userfields = get_all_user_name_fields(true, 'u');
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$sql = "SELECT ci.id, u.id as userid, $userfields, co.id as courseid,
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co.fullname as coursefullname, c.name as certificatename
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FROM {customcert} c
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JOIN {customcert_issues} ci
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ON c.id = ci.customcertid
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JOIN {course} co
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ON c.course = co.id
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JOIN {user} u
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ON ci.userid = u.id
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WHERE ci.code = :code
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AND u.deleted = 0";
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// It is possible (though unlikely) that there is the same code for issued certificates.
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if ($issues = $DB->get_records_sql($sql, array('code' => $code))) {
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$result->success = true;
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$result->issues = $issues;
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} else {
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// Can't find it, let's say it's not verified.
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$result->success = false;
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}
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}
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echo $OUTPUT->header();
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echo $OUTPUT->heading(get_string('verifycertificate', 'customcert'));
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echo $form->display();
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if (isset($result)) {
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$renderer = $PAGE->get_renderer('mod_customcert');
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$result = new \mod_customcert\output\verify_certificate_results($result);
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echo $renderer->render($result);
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}
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echo $OUTPUT->footer();
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