public void addRequests(List <InvoiceModel> newRequests)
 {
     foreach (InvoiceModel request in newRequests)
     {
         if (request.Type == RequestType.PDF)
         {
             Request.Insert("PDF", request.pathPdfSource);
         }
         else
         {
             Request.Insert("XML", request.sourceXmlText);
         }
     }
     CompleteProcess();
 }