public IActionResult DownloadInvoice(string orderGuid)
{
var order = _orderService.GetByGuid(orderGuid);
if (order == null || order.UserId != CurrentUser.Id || !CanDownloadInvoice(order))
{
return(NotFound());
}
var pdfBytes = _pdfService.GetPdfBytes(PrintHelper.GetInvoice(order));
return(File(pdfBytes, "application/pdf", $"order_invoice_{order.Id}.pdf"));
}