some minor fixes

doc/KSeF/README.md

@@ -172,6 +172,7 @@ The implementation uses `PluginException` for error handling with two error type
 - [Upload Invoice](https://ksef-test.mf.gov.pl/docs/v2/index.html#tag/Wysylka-interaktywna/paths/~1api~1v2~1sessions~1online~1%7BreferenceNumber%7D~1invoices/post)
 - [Facture Details](https://github.com/CIRFMF/ksef-docs/blob/main/sesja-interaktywna.md#2-wys%C5%82anie-faktury)
 - [XML Invoice Example](https://github.com/CIRFMF/ksef-docs/blob/main/faktury/weryfikacja-faktury.md)
+- [QR Code](https://github.com/CIRFMF/ksef-docs/blob/main/kody-qr.md)
 
 - [Github Discussions](https://github.com/CIRFMF/ksef-docs/issues/351#issuecomment-3538013805)
 - [Github Discussions](https://github.com/CIRFMF/ksef-docs/issues/399)

office-alexander-logistics-app/src/main/java/com/alexanderlogistics/einvoice/KSeFAdapter.java

@@ -72,6 +72,8 @@ public class KSeFAdapter implements SignalAdapter {
     final String TYPE_TEXTBLOCK = "textblock";
     public static final String DOCUMENT_ERROR = "DOCUMENT_ERROR";
     public static final String CONFIG_ERROR = "CONFIG_ERROR";
+    public static final String API_ERROR = "API_ERROR";
+    public static final String BUSINESSPARTNER_ERROR = "BUSINESSPARTNER_ERROR";
     public static final String LINE_ITEMS_PROPERTY = "invoice.items";
     private static Logger logger = Logger.getLogger(EInvoiceAdapter.class.getName());
 
@@ -151,7 +153,7 @@ public class KSeFAdapter implements SignalAdapter {
             model.setDueDateTime(workitem.getItemValueLocalDate("invoice.duedate"));
 
             // Update Addresses
-            TradeParty billingAddress = buildAddress(workitem.getItemValueString("partner.id"), "buyer", model);
+            TradeParty billingAddress = buildAddress(workitem, "buyer", model);
             model.setTradeParty(billingAddress);
 
             // Update Invoice Type (RodzajFaktury) -> VAT | KOR
@@ -221,7 +223,9 @@ public class KSeFAdapter implements SignalAdapter {
      * @param type         Der Typ der TradeParty
      * @return TradeParty
      */
-    public TradeParty buildAddress(String partnerID, String type, EInvoiceModel model) throws PluginException {
+    public TradeParty buildAddress(ItemCollection workitem, String type, EInvoiceModel model) throws PluginException {
+
+        String partnerID = workitem.getItemValueString("partner.id");
         if (partnerID == null || partnerID.isEmpty()) {
             throw new PluginException(this.getClass().getName(), DOCUMENT_ERROR, "Missing partnerID");
         }
@@ -273,7 +277,14 @@ public class KSeFAdapter implements SignalAdapter {
         tradeParty.setStreetAddress(businessPartner.getItemValueString("partner.address"));
 
         if ("buyer".equals(type)) {
-            tradeParty.setVatNumber(businessPartner.getItemValueString("partner.vat"));
+            // if we do NOT have a partner.vat we can not upload the invoice!
+            String partnerVAT = businessPartner.getItemValueString("partner.vat");
+            if (partnerVAT.isBlank()) {
+                throw new PluginException(this.getClass().getName(), BUSINESSPARTNER_ERROR,
+                        "Business Partner ID '" + partnerID + "' does not contain a VAT ID !");
+            }
+            workitem.setItemValue("partner.vat", partnerVAT);
+            tradeParty.setVatNumber(partnerVAT);
             // Update or create NrKlienta element directly under Podmiot2
             Element podmiot2 = model.findOrCreateChildNode(model.getRoot(), EInvoiceNS.KSEF, "Podmiot2");
             model.updateElementValue(podmiot2, EInvoiceNS.KSEF, "NrKlienta",

office-alexander-logistics-app/src/main/java/com/alexanderlogistics/ksef/api/KSeFAPIService.java

@@ -239,6 +239,8 @@ public class KSeFAPIService {
             // if status code 200 and if we have a ksef.upo.referencenumber we download the
             // document
             if (code == 200 && !referenceNumber.isEmpty()) {
+                checkSessionStatusInvoices(workitem);
+
                 FileData upoFileData = downloadUOPXML(workitem);
                 workitem.addFileData(upoFileData);
 
@@ -278,7 +280,6 @@ public class KSeFAPIService {
         int httpResponse = -1;
         int statusCode = -1;
         String statusDescription;
-        String statusDetails;
         logger.info("│   ├──  GET: " + uri);
         HttpResponse<String> response = null;
         try {
@@ -306,27 +307,29 @@ public class KSeFAPIService {
                 JsonArray invoicesArray = jsonObject.getJsonArray("invoices");
                 if (invoicesArray != null && !invoicesArray.isEmpty()) {
                     JsonObject firstInvoice = invoicesArray.getJsonObject(0);
+                    if (firstInvoice.containsKey("ksefNumber")) {
+                        String ksefNumber = firstInvoice.getString("ksefNumber");
+                        logger.info("│   ├──  ksefNumber: " + ksefNumber);
+                        workitem.setItemValue("ksef.number", ksefNumber);
+                    }
                     // Status Code aus dem status-Objekt extrahieren
                     if (firstInvoice.containsKey("status")) {
                         JsonObject statusObject = firstInvoice.getJsonObject("status");
                         if (statusObject.containsKey("code")) {
                             statusCode = statusObject.getInt("code");
                             statusDescription = statusObject.getString("description");
-
                             // Convert details array to a single string
-                            statusDetails = "";
                             if (statusObject.containsKey("details")) {
                                 JsonArray detailsArray = statusObject.getJsonArray("details");
-                                statusDetails = detailsArray.stream()
+                                String details = detailsArray.stream()
                                         .map(v -> ((JsonString) v).getString())
                                         .collect(Collectors.joining("; "));
+                                statusDescription = statusDescription + ": " + details;
                             }
 
                             logger.info("│   ├──  Status Code: " + statusCode);
-                            logger.info("│   ├──  Status details: " + statusDetails);
                             workitem.setItemValue("ksef.status.code", statusCode);
-                            workitem.setItemValue("ksef.status.description", statusDescription + ": "
+                            workitem.setItemValue("ksef.status.description", statusDescription);
-                                    + statusDetails);
                         }
                     }
                 } else {