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view.php
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<?PHP // $Id: version.php
require_once('../../config.php');
require_once('lib.php');
include '../../lib/pdflib.php';
$id = required_param('id', PARAM_INT); // Course Module ID
$action = optional_param('action', '', PARAM_ALPHA);
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, true, $cm);
$context = get_context_instance(CONTEXT_MODULE, $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);
// Create new certrecord
certificate_prepare_issue($course, $USER, $certificate);
// Get previous certrecord
$sql = "SELECT MAX(timecreated) AS latest " .
"FROM {certificate_issues} " .
"WHERE userid = '$USER->id' ".
"AND certificateid = '$certificate->id'";
if ($record = $DB->get_record_sql($sql)) {
$latest = $record->latest;
}
$certrecord = $DB->get_record('certificate_issues', array('certificateid'=>$certificate->id, 'userid'=>$USER->id, 'timecreated'=>$latest));
$type = $certificate->certificatetype;
// Load some strings
$strreviewcertificate = get_string('reviewcertificate', 'certificate');
$strgetcertificate = get_string('getcertificate', 'certificate');
$strgrade = get_string('grade', 'certificate');
$strcoursegrade = get_string('coursegrade', 'certificate');
$strcredithours = get_string('credithours', 'certificate');
$filename = clean_filename($certificate->name.'.pdf');
// Load the specific certificatetype
require ("$CFG->dirroot/mod/certificate/type/$certificate->certificatetype/certificate.php");
if ($certificate->reissuecert) { // Reissue certificate every time
if (empty($action)) {
view_header($course, $certificate, $cm);
if ($attempts = certificate_get_attempts($certificate->id, $USER->id)) {
echo certificate_print_attempts($certificate->id, $USER->id);
}
if ($certificate->delivery == 0) {
echo '<p style="text-align:center">'.get_string('openwindow', 'certificate').'</p>';
} elseif ($certificate->delivery == 1) {
echo '<p style="text-align:center">'.get_string('opendownload', 'certificate').'</p>';
} elseif ($certificate->delivery == 2) {
echo '<p style="text-align:center">'.get_string('openemail', 'certificate').'</p>';
}
echo '<div style="text-align:center">';
$link = new moodle_url('/mod/certificate/view.php?id='.$cm->id.'&action=get');
$linkname = $strgetcertificate;
$button = new single_button($link, $linkname);
$button->add_action(new popup_action('click', $link, 'view'.$cm->id, array('height' => 600, 'width' => 800)));
echo $OUTPUT->render($button);
echo '</div>';
add_to_log($course->id, 'certificate', 'received', "view.php?id=$cm->id", $certificate->id, $cm->id);
echo $OUTPUT->footer($course);
exit;
}
certificate_issue($course, $certificate, $certrecord, $cm); // update certrecord as issued
} else if ($certrecord->certdate > 0) { // Review certificate
if (empty($action)) {
view_header($course, $certificate, $cm);
$link = new moodle_url('/mod/certificate/view.php?id='.$cm->id.'&action=get');
echo '<p style="text-align:center">'.get_string('viewed', 'certificate').'<br />'.userdate($certrecord->certdate).'</p>';
echo '<div style="text-align:center">';
$linkname = $strreviewcertificate;
$button = new single_button($link, $linkname);
$button->add_action(new popup_action('click', $link, 'view'.$cm->id, array('height' => 600, 'width' => 800)));
echo $OUTPUT->render($button);
echo '</div>';
echo $OUTPUT->footer($course);
exit;
}
} else if ($certrecord->certdate == 0) { //Create certificate
if (empty($action)) {
view_header($course, $certificate, $cm);
if ($certificate->delivery == 0) {
echo '<p style="text-align:center">'.get_string('openwindow', 'certificate').'</p>';
} elseif ($certificate->delivery == 1) {
echo '<p style="text-align:center">'.get_string('opendownload', 'certificate').'</p>';
} elseif ($certificate->delivery == 2) {
echo '<p style="text-align:center">'.get_string('openemail', 'certificate').'</p>';
}
$link = new moodle_url('/mod/certificate/view.php?id='.$cm->id.'&action=get');
echo '<div style="text-align:center">';
$linkname = $strgetcertificate;
$button = new single_button($link, $linkname);
$button->add_action(new popup_action('click', $link, 'view'.$cm->id, array('height' => 600, 'width' => 800)));
echo $OUTPUT->render($button);
echo '</div>';
add_to_log($course->id, 'certificate', 'received', "view.php?id=$cm->id", $certificate->id, $cm->id);
echo $OUTPUT->footer($course);
exit;
}
certificate_issue($course, $certificate, $certrecord, $cm); // update certrecord as issued
}
if ($action) {
// Output to pdf
if ($certificate->savecert == 1){
//pdf contents are now in $file_contents as a string
$file_contents = $pdf->Output('', 'S');
$filename = clean_filename($certificate->name.'.pdf');
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 ($certificate->delivery == 2){
certificate_email_students($USER, $course, $certificate, $certrecord, $context);
$pdf->Output($filename, 'I');// open in browser
$pdf->Output('', 'S');// send
}
}