function watermark_and_sent(stdClass $issuedcert)
{
global $CFG, $USER, $COURSE, $DB, $PAGE;
if ($issuedcert->haschange) {
//This issue have a haschange flag, try to reissue
if (empty($issuedcert->timedeleted)) {
require_once $CFG->dirroot . '/mod/simplecertificate/locallib.php';
try {
// Try to get cm
$cm = get_coursemodule_from_instance('simplecertificate', $issuedcert->certificateid, 0, false, MUST_EXIST);
$context = context_module::instance($cm->id);
//Must set a page context to issue ....
$PAGE->set_context($context);
$simplecertificate = new simplecertificate($context, null, null);
$file = $simplecertificate->get_issue_file($issuedcert);
} catch (moodle_exception $e) {
// Only debug, no errors
debugging($e->getMessage(), DEBUG_DEVELOPER, $e->getTrace());
}
} else {
//Have haschange and timedeleted, somehting wrong, it will be impossible to reissue
//add wraning
debugging("issued certificate [{$issuedcert->id}], have haschange and timedeleted");
}
$issuedcert->haschange = 0;
$DB->update_record('simplecertificate_issues', $issuedcert);
}
if (empty($file)) {
$fs = get_file_storage();
if (!$fs->file_exists_by_hash($issuedcert->pathnamehash)) {
print_error(get_string('filenotfound', 'simplecertificate', ''));
}
$file = $fs->get_file_by_hash($issuedcert->pathnamehash);
}
$canmanage = false;
if (!empty($COURSE)) {
$canmanage = has_capability('mod/simplecertificate:manage', context_course::instance($COURSE->id));
}
if ($canmanage || !empty($USER) && $USER->id == $issuedcert->userid) {
send_stored_file($file, 0, 0, true);
} else {
require_once $CFG->libdir . '/pdflib.php';
require_once $CFG->dirroot . '/mod/simplecertificate/lib/fpdi/fpdi.php';
// copy to a tmp file
$tmpfile = $file->copy_content_to_temp();
// TCPF doesn't import files yet, so i must use FPDI
$pdf = new FPDI();
$pageCount = $pdf->setSourceFile($tmpfile);
for ($pageNo = 1; $pageNo <= $pageCount; $pageNo++) {
// import a page
$templateId = $pdf->importPage($pageNo);
// get the size of the imported page
$size = $pdf->getTemplateSize($templateId);
// create a page (landscape or portrait depending on the imported page size)
if ($size['w'] > $size['h']) {
$pdf->AddPage('L', array($size['w'], $size['h']));
// Font size 1/3 Height if it landscape
$fontsize = $size['h'] / 3;
} else {
$pdf->AddPage('P', array($size['w'], $size['h']));
// Font size 1/3 Width if it portrait
$fontsize = $size['w'] / 3;
}
// use the imported page
$pdf->useTemplate($templateId);
// Calculating the rotation angle
$rotAngle = atan($size['h'] / $size['w']) * 180 / pi();
// Find the middle of the page to use as a pivot at rotation.
$mX = $size['w'] / 2;
$mY = $size['h'] / 2;
// Set the transparency of the text to really light
$pdf->SetAlpha(0.25);
$pdf->StartTransform();
$pdf->Rotate($rotAngle, $mX, $mY);
$pdf->SetFont("freesans", "B", $fontsize);
$pdf->SetXY(0, $mY);
$boder_style = array('LTRB' => array('width' => 2, 'dash' => $fontsize / 5, 'cap' => 'round', 'join' => 'round', 'phase' => $fontsize / $mX));
$pdf->Cell($size['w'], $fontsize, get_string('certificatecopy', 'simplecertificate'), $boder_style, 0, 'C', false, '', 4, true, 'C', 'C');
$pdf->StopTransform();
// Reset the transparency to default
$pdf->SetAlpha(1);
}
// Set protection seems not work, so comment
// $pdf->SetProtection(array('print', 'modify', 'print-high'),null, random_string(), '1',null);
// For DEGUG
// $pdf->Output($file->get_filename(), 'I');
// Save and send tmpfiles
$pdf->Output($tmpfile, 'F');
send_temp_file($tmpfile, $file->get_filename());
}
}
public function testable_get_issue_file($issuecert)
{
return parent::get_issue_file($issuecert);
}
