public StreamedContent getSufdDocumentForFunding(Funding funding, Treasury exporter) {
List<PaymentOrder> paymentOrders = paymentOrderRepository.findByFunding(funding);
LegalPerson payer =
paymentOrders
.stream()
.map(PaymentOrder::getPayer)
.filter(p -> p != null)
.findAny()
.orElseThrow(() -> new PayerNotFoundException());
String sufdDocument = exporter.generateSufdDocument(paymentOrders, payer);
Charset charset = Charset.forName("windows-1251");
ByteArrayInputStream bis = new ByteArrayInputStream(sufdDocument.getBytes(charset));
dialog.dispose();
return new DefaultStreamedContent(
bis, "text/plain", funding.getSufdFileName(), charset.displayName());
}
