moodle-mod-customcert/view.php
Toni Förster be637b11ce Allow managers to download certificates (#412)
Currently, it is not possible for editing teachers
and managers to download certificates for users because
we only check for $canreceive.
2021-04-02 20:53:50 +08:00

188 lines
7.6 KiB
PHP

<?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 viewing a customcert.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
$id = required_param('id', PARAM_INT);
$downloadown = optional_param('downloadown', false, PARAM_BOOL);
$downloadtable = optional_param('download', null, PARAM_ALPHA);
$downloadissue = optional_param('downloadissue', 0, PARAM_INT);
$deleteissue = optional_param('deleteissue', 0, PARAM_INT);
$confirm = optional_param('confirm', false, PARAM_BOOL);
$page = optional_param('page', 0, PARAM_INT);
$perpage = optional_param('perpage', \mod_customcert\certificate::CUSTOMCERT_PER_PAGE, PARAM_INT);
$cm = get_coursemodule_from_id('customcert', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$customcert = $DB->get_record('customcert', array('id' => $cm->instance), '*', MUST_EXIST);
$template = $DB->get_record('customcert_templates', array('id' => $customcert->templateid), '*', MUST_EXIST);
// Ensure the user is allowed to view this page.
require_login($course, false, $cm);
$context = context_module::instance($cm->id);
require_capability('mod/customcert:view', $context);
$canreceive = has_capability('mod/customcert:receiveissue', $context);
$canmanage = has_capability('mod/customcert:manage', $context);
$canviewreport = has_capability('mod/customcert:viewreport', $context);
// Initialise $PAGE.
$pageurl = new moodle_url('/mod/customcert/view.php', array('id' => $cm->id));
\mod_customcert\page_helper::page_setup($pageurl, $context, format_string($customcert->name));
// Check if the user can view the certificate based on time spent in course.
if ($customcert->requiredtime && !$canmanage) {
if (\mod_customcert\certificate::get_course_time($course->id) < ($customcert->requiredtime * 60)) {
$a = new stdClass;
$a->requiredtime = $customcert->requiredtime;
notice(get_string('requiredtimenotmet', 'customcert', $a), "$CFG->wwwroot/course/view.php?id=$course->id");
die;
}
}
// Check if we are deleting an issue.
if ($deleteissue && $canmanage && confirm_sesskey()) {
if (!$confirm) {
$nourl = new moodle_url('/mod/customcert/view.php', ['id' => $id]);
$yesurl = new moodle_url('/mod/customcert/view.php',
[
'id' => $id,
'deleteissue' => $deleteissue,
'confirm' => 1,
'sesskey' => sesskey()
]
);
// Show a confirmation page.
$PAGE->navbar->add(get_string('deleteconfirm', 'customcert'));
$message = get_string('deleteissueconfirm', 'customcert');
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($customcert->name));
echo $OUTPUT->confirm($message, $yesurl, $nourl);
echo $OUTPUT->footer();
exit();
}
// Delete the issue.
$DB->delete_records('customcert_issues', array('id' => $deleteissue, 'customcertid' => $customcert->id));
// Redirect back to the manage templates page.
redirect(new moodle_url('/mod/customcert/view.php', array('id' => $id)));
}
$event = \mod_customcert\event\course_module_viewed::create(array(
'objectid' => $customcert->id,
'context' => $context,
));
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('customcert', $customcert);
$event->trigger();
// Check that we are not downloading a certificate PDF.
if (!$downloadown && !$downloadissue) {
// Get the current groups mode.
if ($groupmode = groups_get_activity_groupmode($cm)) {
groups_get_activity_group($cm, true);
}
// Generate the table to the report if there are issues to display.
if ($canviewreport) {
// Get the total number of issues.
$reporttable = new \mod_customcert\report_table($customcert->id, $cm, $groupmode, $downloadtable);
$reporttable->define_baseurl($pageurl);
if ($reporttable->is_downloading()) {
$reporttable->download();
exit();
}
}
// Generate the intro content if it exists.
$intro = '';
if (!empty($customcert->intro)) {
$intro = $OUTPUT->box(format_module_intro('customcert', $customcert, $cm->id), 'generalbox', 'intro');
}
// If the current user has been issued a customcert generate HTML to display the details.
$issuehtml = '';
$issues = $DB->get_records('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id));
if ($issues && !$canmanage) {
// Get the most recent issue (there should only be one).
$issue = reset($issues);
$issuestring = get_string('receiveddate', 'customcert') . ': ' . userdate($issue->timecreated);
$issuehtml = $OUTPUT->box($issuestring);
}
// Create the button to download the customcert.
$downloadbutton = '';
if ($canreceive) {
$linkname = get_string('getcustomcert', 'customcert');
$link = new moodle_url('/mod/customcert/view.php', array('id' => $cm->id, 'downloadown' => true));
$downloadbutton = new single_button($link, $linkname, 'get', true);
$downloadbutton->class .= ' m-b-1'; // Seems a bit hackish, ahem.
$downloadbutton = $OUTPUT->render($downloadbutton);
}
// Output all the page data.
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($customcert->name));
echo $intro;
echo $issuehtml;
echo $downloadbutton;
if (isset($reporttable)) {
$numissues = \mod_customcert\certificate::get_number_of_issues($customcert->id, $cm, $groupmode);
echo $OUTPUT->heading(get_string('listofissues', 'customcert', $numissues), 3);
groups_print_activity_menu($cm, $pageurl);
echo $reporttable->out($perpage, false);
}
echo $OUTPUT->footer($course);
exit();
} else if ($canreceive || $canmanage) { // Output to pdf.
// Set the userid value of who we are downloading the certificate for.
$userid = $USER->id;
if ($downloadown) {
// Create new customcert issue record if one does not already exist.
if (!$DB->record_exists('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id))) {
\mod_customcert\certificate::issue_certificate($customcert->id, $USER->id);
}
// Set the custom certificate as viewed.
$completion = new completion_info($course);
$completion->set_module_viewed($cm);
} else if ($downloadissue && $canviewreport) {
$userid = $downloadissue;
}
// Hack alert - don't initiate the download when running Behat.
if (defined('BEHAT_SITE_RUNNING')) {
redirect(new moodle_url('/mod/customcert/view.php', array('id' => $cm->id)));
}
\core\session\manager::write_close();
// Now we want to generate the PDF.
$template = new \mod_customcert\template($template);
$template->generate_pdf(false, $userid);
exit();
}