public static function printLabels($printout_format)
{
$module_instance = Module::getinstanceByName('dpdpoland');
if ($package_ids = Tools::getValue('PackagesBox')) {
$package = new DpdPolandPackage();
$separated_packages = DpdPolandPackage::separatePackagesBySession($package_ids);
$international_packages = $separated_packages['INTERNATIONAL'];
$domestic_packages = $separated_packages['DOMESTIC'];
if ($international_packages) {
$result = self::createLabelPDFDocument($package, $module_instance, $international_packages, $printout_format, 'international_labels.pdf');
if ($result !== true) {
return $module_instance->outputHTML($result);
}
}
if ($domestic_packages) {
$result = self::createLabelPDFDocument($package, $module_instance, $domestic_packages, $printout_format, 'domestic_labels.pdf');
if ($result !== true) {
return $module_instance->outputHTML($result);
}
}
include_once _PS_MODULE_DIR_ . 'dpdpoland/libraries/PDFMerger/PDFMerger.php';
$pdf = new PDFMerger();
if ($international_packages && $domestic_packages) {
if (file_exists(_PS_MODULE_DIR_ . 'dpdpoland/labels_multisession.pdf') && !unlink(_PS_MODULE_DIR_ . 'dpdpoland/labels_multisession.pdf')) {
$error_message = $module_instance->l('Could not delete old PDF file. Please check module folder permissions', self::FILENAME);
$error = $module_instance->displayError($error_message);
return $module_instance->outputHTML($error);
}
$international_pdf_path = _PS_MODULE_DIR_ . 'dpdpoland/international_labels.pdf';
$domestic_pdf_path = _PS_MODULE_DIR_ . 'dpdpoland/domestic_labels.pdf';
$multisession_pdf_path = _PS_MODULE_DIR_ . 'dpdpoland/labels_multisession.pdf';
$pdf->addPDF($international_pdf_path, 'all')->addPDF($domestic_pdf_path, 'all')->merge('file', $multisession_pdf_path);
}
ob_end_clean();
header('Content-type: application/pdf');
header('Content-Disposition: attachment; filename="labels_' . time() . '.pdf"');
if ($international_packages && $domestic_packages) {
readfile(_PS_MODULE_DIR_ . 'dpdpoland/labels_multisession.pdf');
} elseif ($international_packages) {
readfile(_PS_MODULE_DIR_ . 'dpdpoland/international_labels.pdf');
} elseif ($domestic_packages) {
readfile(_PS_MODULE_DIR_ . 'dpdpoland/domestic_labels.pdf');
} else {
$error_message = $module_instance->l('No labels were found', self::FILENAME);
$error = $module_instance->displayError($error_message);
return $module_instance->outputHTML($error);
}
self::deletePDFFiles();
}
}
