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#51 Added ability to verify certificates

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Mark Nelson 2017-02-01 18:23:15 +08:00
parent 7e6fa8103f
commit ca08fe954a
11 changed files with 409 additions and 2 deletions
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verify_certificate.php Normal file
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<?php
// This file is part of the customcert module for 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/>.
/**
* Handles verifying the code for a certificate.
*
* @package mod_customcert
* @copyright 2017 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
$contextid = required_param('contextid', PARAM_INT);
$code = optional_param('code', '', PARAM_ALPHANUM); // The code for the certificate we are verifying.
// Need to be logged in.
require_login();
// Ok, now check the user has the ability to verify certificates.
require_capability('mod/customcert:verifycertificate', context::instance_by_id($contextid));
// Set up the page.
$pageurl = new moodle_url('/mod/customcert/verify_certificate.php', array('contextid' => $contextid));
if ($code) {
$pageurl->param('code', $code);
}
$PAGE->set_url($pageurl);
$PAGE->set_context(context_system::instance());
$PAGE->set_title(get_string('verifycertificate', 'customcert'));
// The form we are using to verify these codes.
$form = new \mod_customcert\verify_certificate_form($pageurl);
if ($form->get_data()) {
$result = new stdClass();
$result->issues = array();
// Ok, now check if the code is valid.
$userfields = get_all_user_name_fields(true, 'u');
$sql = "SELECT ci.id, u.id as userid, $userfields, co.id as courseid,
co.fullname as coursefullname, c.name as certificatename
FROM {customcert} c
JOIN {customcert_issues} ci
ON c.id = ci.customcertid
JOIN {course} co
ON c.course = co.id
JOIN {user} u
ON ci.userid = u.id
WHERE ci.code = :code
AND u.deleted = 0";
// It is possible (though unlikely) that there is the same code for issued certificates.
if ($issues = $DB->get_records_sql($sql, array('code' => $code))) {
$result->success = true;
$result->issues = $issues;
} else {
// Can't find it, let's say it's not verified.
$result->success = false;
}
}
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('verifycertificate', 'customcert'));
echo $form->display();
if (isset($result)) {
$renderer = $PAGE->get_renderer('mod_customcert');
$result = new \mod_customcert\output\verify_certificate_results($result);
echo $renderer->render($result);
}
echo $OUTPUT->footer();