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view.php
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view.php
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<?php
// This file is part of the Certificate 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 certificate
*
* @package mod
* @subpackage certificate
* @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("$CFG->dirroot/mod/certificate/deprecatedlib.php");
require_once("$CFG->dirroot/mod/certificate/lib.php");
require_once("$CFG->libdir/pdflib.php");
$id = required_param('id', PARAM_INT); // Course Module ID
$action = optional_param('action', '', PARAM_ALPHA);
$edit = optional_param('edit', -1, PARAM_BOOL);
if (!$cm = get_coursemodule_from_id('certificate', $id)) {
print_error('Course Module ID was incorrect');
}
if (!$course = $DB->get_record('course', array('id'=> $cm->course))) {
print_error('course is misconfigured');
}
if (!$certificate = $DB->get_record('certificate', array('id'=> $cm->instance))) {
print_error('course module is incorrect');
}
require_login($course->id, false, $cm);
$context = context_module::instance($cm->id);
require_capability('mod/certificate:view', $context);
// log update
add_to_log($course->id, 'certificate', 'view', "view.php?id=$cm->id", $certificate->id, $cm->id);
$completion=new completion_info($course);
$completion->set_module_viewed($cm);
// Initialize $PAGE, compute blocks
$PAGE->set_url('/mod/certificate/view.php', array('id' => $cm->id));
$PAGE->set_context($context);
$PAGE->set_cm($cm);
$PAGE->set_title(format_string($certificate->name));
$PAGE->set_heading(format_string($course->fullname));
// Set the context
$context = context_module::instance($cm->id);
if (($edit != -1) and $PAGE->user_allowed_editing()) {
$USER->editing = $edit;
}
// Add block editing button
if ($PAGE->user_allowed_editing()) {
$editvalue = $PAGE->user_is_editing() ? 'off' : 'on';
$strsubmit = $PAGE->user_is_editing() ? get_string('blockseditoff') : get_string('blocksediton');
$url = new moodle_url($CFG->wwwroot . '/mod/certificate/view.php', array('id' => $cm->id, 'edit' => $editvalue));
$PAGE->set_button($OUTPUT->single_button($url, $strsubmit));
}
// Check if the user can view the certificate
if ($certificate->requiredtime && !has_capability('mod/certificate:manage', $context)) {
if (certificate_get_course_time($course->id) < ($certificate->requiredtime * 60)) {
$a = new stdClass;
$a->requiredtime = $certificate->requiredtime;
notice(get_string('requiredtimenotmet', 'certificate', $a), "$CFG->wwwroot/course/view.php?id=$course->id");
die;
}
}
// Create new certificate record, or return existing record
$certrecord = certificate_get_issue($course, $USER, $certificate, $cm);
// The function make_cache_directory was introduced in Moodle 2.2, check it exists before using.
if (function_exists('make_cache_directory')) {
make_cache_directory('tcpdf');
} else {
make_upload_directory('cache/tcpdf');
}
// Load the specific certificate type.
require("$CFG->dirroot/mod/certificate/type/$certificate->certificatetype/certificate.php");
if (empty($action)) { // Not displaying PDF
echo $OUTPUT->header();
/// find out current groups mode
groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/certificate/view.php?id=' . $cm->id);
$currentgroup = groups_get_activity_group($cm);
$groupmode = groups_get_activity_groupmode($cm);
if (has_capability('mod/certificate:manage', $context)) {
$numusers = count(certificate_get_issues($certificate->id, 'ci.timecreated ASC', $groupmode, $cm));
$url = html_writer::tag('a', get_string('viewcertificateviews', 'certificate', $numusers),
array('href' => $CFG->wwwroot . '/mod/certificate/report.php?id=' . $cm->id));
echo html_writer::tag('div', $url, array('class' => 'reportlink'));
}
if (!empty($certificate->intro)) {
echo $OUTPUT->box(format_module_intro('certificate', $certificate, $cm->id), 'generalbox', 'intro');
}
if ($attempts = certificate_get_attempts($certificate->id)) {
echo certificate_print_attempts($course, $certificate, $attempts);
}
if ($certificate->delivery == 0) {
$str = get_string('openwindow', 'certificate');
} elseif ($certificate->delivery == 1) {
$str = get_string('opendownload', 'certificate');
} elseif ($certificate->delivery == 2) {
$str = get_string('openemail', 'certificate');
}
echo html_writer::tag('p', $str, array('style' => 'text-align:center'));
$linkname = get_string('getcertificate', 'certificate');
// Add to log, only if we are reissuing
add_to_log($course->id, 'certificate', 'view', "view.php?id=$cm->id", $certificate->id, $cm->id);
$link = new moodle_url('/mod/certificate/view.php?id='.$cm->id.'&action=get');
$button = new single_button($link, $linkname);
$button->add_action(new popup_action('click', $link, 'view'.$cm->id, array('height' => 600, 'width' => 800)));
echo html_writer::tag('div', $OUTPUT->render($button), array('style' => 'text-align:center'));
echo $OUTPUT->footer($course);
exit;
} else { // Output to pdf
// Remove full-stop at the end if it exists, to avoid "..pdf" being created and being filtered by clean_filename
$certname = rtrim($certificate->name, '.');
$filename = clean_filename("$certname.pdf");
if ($certificate->savecert == 1) {
// PDF contents are now in $file_contents as a string
$file_contents = $pdf->Output('', 'S');
certificate_save_pdf($file_contents, $certrecord->id, $filename, $context->id);
}
if ($certificate->delivery == 0) {
$pdf->Output($filename, 'I'); // open in browser
} elseif ($certificate->delivery == 1) {
$pdf->Output($filename, 'D'); // force download when create
} elseif ($certificate->delivery == 2) {
certificate_email_student($course, $certificate, $certrecord, $context);
$pdf->Output($filename, 'I'); // open in browser
$pdf->Output('', 'S'); // send
}
}