public function download_invoice()
{
if (isset($_GET['action']) && $_GET['action'] == 'wc-gzdp-download') {
$invoice = false;
if (isset($_GET['preview']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'wc-gzdp-download')) {
$invoice = new WC_GZDP_Invoice_Preview();
$invoice->generate_pdf(true);
exit;
} else {
if (isset($_GET['id']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'wc-gzdp-download')) {
$id = absint($_GET['id']);
$invoice = wc_gzdp_get_invoice($id);
if (!current_user_can('manage_woocommerce') && !current_user_can('view_order', $invoice->order)) {
$invoice = false;
}
} else {
wp_die(__('Cheatin huh?', 'woocommerce-germanized-pro'));
}
}
if ($invoice) {
WC_GZDP_Download_Handler::download($invoice, isset($_GET['force']) && $_GET['force'] ? true : false);
}
wp_die(__('Missing permissions to download invoice', 'woocommerce-germanized-pro'));
}
}
global $wp;
if (isset($wp->query_vars['view-bill'])) {
$invoice_id = absint($wp->query_vars['view-bill']);
if (!empty($invoice_id)) {
$invoice = wc_gzdp_get_invoice($invoice_id);
$order_id = $invoice->order;
if (!current_user_can('manage_woocommerce') && !current_user_can('view_order', $order_id)) {
wp_die(__('Cheatin huh?', 'woocommerce-germanized-pro'));
}
self::download($invoice);
}
}
}
public static function download($invoice, $force = false)
{
if (!$invoice->has_attachment() || !file_exists($invoice->get_pdf_path())) {
wp_die(__('This file does not exist', 'woocommerce-germanized-pro'));
}
$file = $invoice->get_pdf_path();
$filename = $invoice->get_filename();
header('Content-type: application/pdf');
header('Content-Disposition: ' . (get_option('woocommerce_gzdp_invoice_download_force') == 'yes' || $force ? 'attachment' : 'inline') . '; filename="' . $filename . '"');
header('Content-Transfer-Encoding: binary');
header('Content-Length: ' . filesize($file));
header('Accept-Ranges: bytes');
@readfile($file);
exit;
}
}
WC_GZDP_Download_Handler::init();