moodle-mod-customcert/view.php

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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 viewing a customcert.
*
* @package mod_customcert
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* @copyright Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
require_once($CFG->dirroot . '/mod/customcert/lib.php');
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$id = required_param('id', PARAM_INT);
$action = optional_param('action', '', PARAM_ALPHA);
$cm = get_coursemodule_from_id('customcert', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
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$customcert = $DB->get_record('customcert', array('id' => $cm->instance), '*', MUST_EXIST);
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// Ensure the user is allowed to view this page.
require_login($course, true, $cm);
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$context = context_module::instance($cm->id);
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require_capability('mod/customcert:view', $context);
// Initialise $PAGE.
$pageurl = new moodle_url('/mod/customcert/view.php', array('id' => $cm->id));
$PAGE->set_url($pageurl);
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$PAGE->set_context($context);
$PAGE->set_cm($cm);
$PAGE->set_title(format_string($customcert->name));
$PAGE->set_heading(format_string($course->fullname));
// Check that no action was passed, if so that means we are not outputting to PDF.
if (empty($action)) {
// Get the current groups mode.
groups_print_activity_menu($cm, $pageurl);
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$currentgroup = groups_get_activity_group($cm);
$groupmode = groups_get_activity_groupmode($cm);
// Generate the link to the report if there are issues to display.
$reportlink = '';
if (has_capability('mod/customcert:manage', $context)) {
// Get the total number of issues.
$numissues = customcert_get_number_of_issues($customcert->id, $cm, $groupmode);
// If the number of issues is greater than 0 display a link to the report.
if ($numissues > 0) {
$href = new moodle_urL('/mod/customcert/report.php', array('id' => $cm->id));
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$url = html_writer::tag('a', get_string('viewcustomcertissues', 'customcert', $numissues),
array('href' => $href->out()));
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$reportlink = html_writer::tag('div', $url, array('class' => 'reportlink'));
}
}
// 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.
$issuelist = '';
if ($issues = $DB->get_records('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id))) {
$header = $OUTPUT->heading(get_string('summaryofissue', 'customcert'));
$table = new html_table();
$table->class = 'generaltable';
$table->head = array(get_string('issued', 'customcert'));
$table->align = array('left');
$table->attributes = array('style' => 'width:20%; margin:auto');
foreach ($issues as $issue) {
$row = array();
$row[] = userdate($issue->timecreated);
$table->data[$issue->id] = $row;
}
$issuelist = $header . html_writer::table($table) . "<br />";
}
// Create the button to download the customcert.
$linkname = get_string('getcustomcert', 'customcert');
$link = new moodle_url('/mod/customcert/view.php', array('id' => $cm->id, 'action' => 'download'));
$downloadbutton = new single_button($link, $linkname);
$downloadbutton->add_action(new popup_action('click', $link, 'customcertpopup', array('height' => 600, 'width' => 800)));
$downloadbutton = html_writer::tag('div', $OUTPUT->render($downloadbutton), array('style' => 'text-align:center'));
// Output all the page data.
echo $OUTPUT->header();
echo $reportlink;
echo $intro;
echo $issuelist;
echo $downloadbutton;
echo $OUTPUT->footer($course);
exit;
} else { // Output to pdf
// Create new customcert issue record if one does not already exist.
if (!$DB->record_exists('customcert_issues', array('userid' => $USER->id, 'customcertid' => $customcert->id))) {
$customcertissue = new stdClass();
$customcertissue->customcertid = $customcert->id;
$customcertissue->userid = $USER->id;
$customcertissue->code = customcert_generate_code();
$customcertissue->timecreated = time();
// Insert the record into the database.
$DB->insert_record('customcert_issues', $customcertissue);
}
// Now we want to generate the PDF.
customcert_generate_pdf($customcert);
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}