feat: ZUGFeRD-E-Rechnung über externen PDF-Tool-Service mit ZIP-Download und Versand aus der PDF-Vorschau

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

backend/src/main/java/de/assecutor/votianlt/pages/view/AdminCreateInvoicesView.java

@@ -34,6 +34,7 @@ import de.assecutor.votianlt.repository.UserRepository;
 import de.assecutor.votianlt.service.CustomerInvoiceService;
 import de.assecutor.votianlt.service.EmailService;
 import de.assecutor.votianlt.service.InvoiceTemplateService;
+import de.assecutor.votianlt.service.PdfToolService;
 import de.assecutor.votianlt.service.SystemCompanyProfileService;
 import de.assecutor.votianlt.util.DateTimeFormatUtil;
 import jakarta.annotation.security.RolesAllowed;
@@ -76,6 +77,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
     private final SystemCompanyProfileService systemCompanyProfileService;
     private final EmailService emailService;
     private final SystemInvoiceDispatchRepository dispatchRepository;
+    private final PdfToolService pdfToolService;
 
     private final Grid<BillingInfo> grid = new Grid<>();
 
@@ -99,7 +101,8 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
     public AdminCreateInvoicesView(UserRepository userRepository, PriceTableRepository priceTableRepository,
             AppUserRepository appUserRepository, InvoiceTemplateService invoiceTemplateService,
             CustomerInvoiceService customerInvoiceService, SystemCompanyProfileService systemCompanyProfileService,
-            EmailService emailService, SystemInvoiceDispatchRepository dispatchRepository) {
+            EmailService emailService, SystemInvoiceDispatchRepository dispatchRepository,
+            PdfToolService pdfToolService) {
         this.userRepository = userRepository;
         this.priceTableRepository = priceTableRepository;
         this.appUserRepository = appUserRepository;
@@ -108,6 +111,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         this.systemCompanyProfileService = systemCompanyProfileService;
         this.emailService = emailService;
         this.dispatchRepository = dispatchRepository;
+        this.pdfToolService = pdfToolService;
 
         setSizeFull();
         addClassNames(LumoUtility.BoxSizing.BORDER, LumoUtility.Display.FLEX, LumoUtility.FlexDirection.COLUMN,
@@ -427,7 +431,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         try {
             byte[] pdfBytes = customerInvoiceService.generatePdfFromCanvasTemplateWithData(templateData,
                     buildInvoiceVariables(info), null);
-            showPdfInDialog(pdfBytes, buildInvoiceNumber(info.user()));
+            showPdfInDialog(new InvoicePreview(info, buildInvoiceNumber(info.user()), pdfBytes));
         } catch (Exception ex) {
             log.error("Error creating system invoice for user {}: {}", info.user().getEmail(), ex.getMessage(), ex);
             Notification
@@ -494,6 +498,8 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         nextButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
         Button deleteButton = new Button(getTranslation("admincreateinvoices.dialog.button.delete"));
         deleteButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY, ButtonVariant.LUMO_ERROR);
+        Button zugferdButton = new Button(getTranslation("admincreateinvoices.button.zugferd"));
+        zugferdButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
         Button sendButton = new Button(getTranslation("admincreateinvoices.dialog.button.send"));
         sendButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
         Button closeButton = new Button(getTranslation("button.close"), e -> dialog.close());
@@ -532,6 +538,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
             index[0] = Math.min(index[0], previews.size() - 1);
             updateView.run();
         });
+        zugferdButton.addClickListener(e -> downloadZugferdZip(previews.get(index[0])));
         sendButton.addClickListener(e -> {
             sendButton.setEnabled(false);
             sendInvoices(previews);
@@ -540,7 +547,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         updateView.run();
 
         dialog.add(DialogStylingHelper.wrapContent(content, true));
-        dialog.getFooter().add(previousButton, nextButton, deleteButton, sendButton, closeButton);
+        dialog.getFooter().add(previousButton, nextButton, deleteButton, zugferdButton, sendButton, closeButton);
         dialog.open();
     }
 
@@ -692,7 +699,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         return "SYS-" + monthPart + "-" + userPart;
     }
 
-    private void showPdfInDialog(byte[] pdfBytes, String invoiceNumber) {
+    private void showPdfInDialog(InvoicePreview preview) {
         Dialog pdfDialog = DialogStylingHelper.createStyledDialog(getTranslation("invoicegenerator.pdf.preview.title"),
                 "90vw");
         pdfDialog.setHeight("90vh");
@@ -701,7 +708,7 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         pdfContainer.setWidth("100%");
         pdfContainer.setHeight("100%");
 
-        String base64Pdf = Base64.getEncoder().encodeToString(pdfBytes);
+        String base64Pdf = Base64.getEncoder().encodeToString(preview.pdf());
 
         IFrame pdfFrame = new IFrame();
         pdfFrame.setWidth("100%");
@@ -710,18 +717,145 @@ public class AdminCreateInvoicesView extends Main implements HasDynamicTitle {
         pdfContainer.add(pdfFrame);
 
         Button closeButton = new Button(getTranslation("button.close"), e -> pdfDialog.close());
-        closeButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
+        closeButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
 
-        Button downloadButton = new Button(getTranslation("button.download"), e -> getElement()
+        Button zugferdButton = new Button(getTranslation("admincreateinvoices.button.zugferd"),
-                .executeJs("const link = document.createElement('a');" + "link.href = 'data:application/pdf;base64,"
+                e -> downloadZugferdZip(preview));
-                        + base64Pdf + "';" + "link.download = '" + invoiceNumber + ".pdf';" + "link.click();"));
+        zugferdButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
-        downloadButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
+
+        Button sendButton = new Button(getTranslation("admincreateinvoices.pdf.button.send"), e -> {
+            e.getSource().setEnabled(false);
+            sendInvoices(List.of(preview));
+            pdfDialog.close();
+        });
+        sendButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
 
         pdfDialog.add(DialogStylingHelper.wrapContent(pdfContainer, true));
-        pdfDialog.getFooter().add(downloadButton, closeButton);
+        pdfDialog.getFooter().add(zugferdButton, sendButton, closeButton);
         pdfDialog.open();
     }
 
+    // ==========================================
+    // ZUGFeRD e-invoice (external PDF Tool)
+    // ==========================================
+
+    /**
+     * Converts the invoice via the external PDF Tool into a ZUGFeRD e-invoice
+     * and offers the resulting ZIP (signed PDF/A-3, factur-x.xml, validation
+     * report) as browser download.
+     */
+    private void downloadZugferdZip(InvoicePreview preview) {
+        try {
+            PdfToolService.SignedInvoice signed = pdfToolService.signInvoice(preview.pdf(),
+                    buildZugferdMetadata(preview));
+            String base64Zip = Base64.getEncoder().encodeToString(signed.zip());
+            getElement().executeJs("const link = document.createElement('a');"
+                    + "link.href = 'data:application/zip;base64," + base64Zip + "';" + "link.download = '"
+                    + signed.fileName().replace("'", "") + "';"
+                    + "document.body.appendChild(link); link.click(); document.body.removeChild(link);");
+            if (signed.valid()) {
+                Notification
+                        .show(getTranslation("admincreateinvoices.notification.zugferd.created",
+                                preview.invoiceNumber()), 5000, Notification.Position.BOTTOM_CENTER)
+                        .addThemeVariants(NotificationVariant.LUMO_SUCCESS);
+            } else {
+                Notification
+                        .show(getTranslation("admincreateinvoices.notification.zugferd.invalid"), 7000,
+                                Notification.Position.BOTTOM_CENTER)
+                        .addThemeVariants(NotificationVariant.LUMO_WARNING);
+            }
+        } catch (Exception ex) {
+            log.error("Error creating ZUGFeRD e-invoice {}: {}", preview.invoiceNumber(), ex.getMessage(), ex);
+            Notification
+                    .show(getTranslation("admincreateinvoices.notification.zugferd.error", ex.getMessage()), 7000,
+                            Notification.Position.BOTTOM_CENTER)
+                    .addThemeVariants(NotificationVariant.LUMO_ERROR);
+        }
+    }
+
+    /**
+     * Builds the EN16931 metadata for the PDF Tool from the billing data: the
+     * system operator as sender, the customer as recipient and the billed
+     * positions (including a possible negative discount position) as lines.
+     */
+    private PdfToolService.InvoiceMetadata buildZugferdMetadata(InvoicePreview preview) throws Exception {
+        SystemInvoiceData issuer = systemCompanyProfileService.createSystemInvoiceData();
+        BillingInfo info = preview.info();
+        User user = info.user();
+
+        String[] senderZipCity = splitZipCity(issuer.getCompanyCity());
+        String senderName = (safe(issuer.getCompanyName()) + " " + safe(issuer.getCompanySubtitle())).trim();
+        String footer = safe(issuer.getFooterText());
+        PdfToolService.Party sender = new PdfToolService.Party(senderName, safe(issuer.getCompanyStreet()),
+                senderZipCity[0], senderZipCity[1], "DE", extractByPattern(footer, "USt-IdNr\\.?:?\\s*([A-Z]{2}[0-9A-Za-z]{2,12})"),
+                safe(issuer.getCompanyEmail()), safe(issuer.getCompanyPhone()));
+
+        PdfToolService.Party recipient;
+        if (user.isDiffInvoiceAddress()) {
+            recipient = new PdfToolService.Party(
+                    firstNonBlank(user.getInvCompany(), user.getCompany(),
+                            (safe(user.getInvFirstname()) + " " + safe(user.getInvLastname())).trim()),
+                    (safe(user.getInvStreet()) + " " + safe(user.getInvHouseNumber())).trim(), safe(user.getInvZip()),
+                    safe(user.getInvCity()), "DE", null, safe(user.getEmail()), safe(user.getPhone()));
+        } else {
+            recipient = new PdfToolService.Party(
+                    firstNonBlank(user.getCompany(), (safe(user.getFirstname()) + " " + safe(user.getName())).trim()),
+                    (safe(user.getStreet()) + " " + safe(user.getHouseNumber())).trim(), safe(user.getZip()),
+                    safe(user.getCity()), "DE", null, safe(user.getEmail()), safe(user.getPhone()));
+        }
+
+        BigDecimal vatPercent = SYSTEM_VAT_RATE.multiply(new BigDecimal("100")).setScale(0, RoundingMode.HALF_UP);
+        List<PdfToolService.LineItem> items = new ArrayList<>();
+        for (Map<String, String> position : info.positions()) {
+            BigDecimal amount = parseSignedAmount(position.get("netAmount"));
+            if (amount == null) {
+                // Non-monetary positions cannot be part of an EN16931 invoice
+                continue;
+            }
+            items.add(new PdfToolService.LineItem(position.get("name"), BigDecimal.ONE, amount, vatPercent));
+        }
+        if (items.isEmpty()) {
+            throw new IllegalStateException(getTranslation("admincreateinvoices.notification.zugferd.nopositions"));
+        }
+
+        return new PdfToolService.InvoiceMetadata(preview.invoiceNumber(), LocalDate.now(),
+                billingMonth.atEndOfMonth(), info.dueDate(), "EUR", safe(issuer.getPaymentTerms()), null,
+                extractByPattern(footer, "IBAN\\s*:?\\s*([A-Z]{2}[0-9A-Za-z]{13,32})"),
+                extractByPattern(footer, "BIC\\s*:?\\s*([A-Za-z0-9]{8,11})"), sender, recipient, items);
+    }
+
+    /**
+     * Parses a formatted position amount like "99,00" or "-49,50" including
+     * its sign. Returns null for non-monetary values such as "-" or "15 %".
+     */
+    private BigDecimal parseSignedAmount(String value) {
+        if (value == null || value.isBlank() || value.contains("%")) {
+            return null;
+        }
+        boolean negative = value.trim().startsWith("-");
+        BigDecimal amount = parseAmount(value.trim().replaceFirst("^-", ""));
+        if (amount == null) {
+            return null;
+        }
+        return negative ? amount.negate() : amount;
+    }
+
+    /** Splits a combined "zip city" value like "21502 Geesthacht". */
+    private String[] splitZipCity(String zipCity) {
+        String trimmed = safe(zipCity).trim();
+        int space = trimmed.indexOf(' ');
+        if (space < 0) {
+            return new String[] { trimmed, trimmed };
+        }
+        return new String[] { trimmed.substring(0, space), trimmed.substring(space + 1).trim() };
+    }
+
+    /** Returns the first regex group found in the text, or null. */
+    private String extractByPattern(String text, String pattern) {
+        Matcher matcher = Pattern.compile(pattern).matcher(text);
+        return matcher.find() ? matcher.group(1) : null;
+    }
+
     // ==========================================
     // Helpers
     // ==========================================

backend/src/main/java/de/assecutor/votianlt/service/PdfToolService.java

@@ -0,0 +1,114 @@
+package de.assecutor.votianlt.service;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.MultipartBodyBuilder;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestClient;
+import org.springframework.web.client.RestClientResponseException;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.List;
+
+/**
+ * Client for the external PDF Tool (ZUGFeRD converter). Sends an invoice PDF
+ * together with the structured invoice data to {@code POST /api/invoices/sign}
+ * and receives a ZIP file containing the signed e-invoice (PDF/A-3 with
+ * embedded EN16931 XML), the factur-x.xml and the Mustang validation report.
+ */
+@Service
+@Slf4j
+public class PdfToolService {
+
+    /** Response header of the PDF Tool with the Mustang validation result. */
+    private static final String VALIDATION_HEADER = "X-Zugferd-Valid";
+
+    private final RestClient restClient;
+    private final ObjectMapper objectMapper;
+
+    public PdfToolService(@Value("${app.pdftool.base-url:http://localhost:8083}") String baseUrl,
+            ObjectMapper objectMapper) {
+        SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
+        requestFactory.setConnectTimeout(5000);
+        // PDF/A conversion and veraPDF validation can take a while
+        requestFactory.setReadTimeout(120000);
+        this.restClient = RestClient.builder().baseUrl(baseUrl).requestFactory(requestFactory).build();
+        this.objectMapper = objectMapper;
+    }
+
+    /** Party (sender or recipient) of the invoice metadata. */
+    public record Party(String name, String street, String zip, String city, String countryCode, String vatId,
+            String email, String phone) {
+    }
+
+    /** One invoice line of the invoice metadata. */
+    public record LineItem(String description, BigDecimal quantity, BigDecimal unitPriceNet, BigDecimal vatPercent) {
+    }
+
+    /** Invoice metadata as expected by the PDF Tool (EN16931 fields). */
+    public record InvoiceMetadata(String invoiceNumber, LocalDate issueDate, LocalDate deliveryDate, LocalDate dueDate,
+            String currency, String paymentTerms, String buyerReference, String iban, String bic, Party sender,
+            Party recipient, List<LineItem> items) {
+    }
+
+    /** Result of a sign call: the ZIP, its file name and the validation flag. */
+    public record SignedInvoice(byte[] zip, String fileName, boolean valid) {
+    }
+
+    /**
+     * Converts the given invoice PDF into a ZUGFeRD e-invoice. Returns the ZIP
+     * provided by the PDF Tool; throws with the tool's error message if the
+     * conversion is rejected (e.g. incomplete metadata).
+     */
+    public SignedInvoice signInvoice(byte[] pdfBytes, InvoiceMetadata metadata) throws Exception {
+        String metadataJson = objectMapper.writeValueAsString(metadata);
+
+        MultipartBodyBuilder body = new MultipartBodyBuilder();
+        body.part("file", new ByteArrayResource(pdfBytes) {
+            @Override
+            public String getFilename() {
+                return metadata.invoiceNumber() + ".pdf";
+            }
+        }, MediaType.APPLICATION_PDF);
+        body.part("metadata", metadataJson, MediaType.APPLICATION_JSON);
+
+        ResponseEntity<byte[]> response;
+        try {
+            response = restClient.post().uri("/api/invoices/sign").contentType(MediaType.MULTIPART_FORM_DATA)
+                    .body(body.build()).retrieve().toEntity(byte[].class);
+        } catch (RestClientResponseException ex) {
+            throw new IllegalStateException(extractErrorMessage(ex), ex);
+        }
+
+        byte[] zip = response.getBody();
+        if (zip == null || zip.length == 0) {
+            throw new IllegalStateException("PDF Tool returned an empty response");
+        }
+        String fileName = response.getHeaders().getContentDisposition().getFilename();
+        if (fileName == null || fileName.isBlank()) {
+            fileName = metadata.invoiceNumber() + "-zugferd.zip";
+        }
+        boolean valid = Boolean.parseBoolean(response.getHeaders().getFirst(VALIDATION_HEADER));
+        return new SignedInvoice(zip, fileName, valid);
+    }
+
+    /** The PDF Tool reports errors as {@code {"error": "..."}} with HTTP 400. */
+    private String extractErrorMessage(RestClientResponseException ex) {
+        try {
+            JsonNode node = objectMapper.readTree(ex.getResponseBodyAsString());
+            if (node.hasNonNull("error")) {
+                return node.get("error").asText();
+            }
+        } catch (Exception ignored) {
+            // fall through to the generic message
+        }
+        return ex.getStatusText() + " (" + ex.getStatusCode().value() + ")";
+    }
+}

backend/src/main/resources/application.properties

@@ -75,6 +75,9 @@ app.version=@project.version@
 # Google Maps API Key
 app.google.maps.api-key=AIzaSyDnbitL06iLp3elmj-WtPudCykX9xvXcVE
 
+# PDF Tool (ZUGFeRD-E-Rechnungs-Konverter), Basis-URL des externen Service
+app.pdftool.base-url=${PDFTOOL_BASE_URL:http://localhost:8083}
+
 # ===========================================
 # LLM Configuration (Anthropic Claude)
 # ===========================================

backend/src/main/resources/messages_de.properties

@@ -1142,8 +1142,14 @@ admincreateinvoices.dialog.button.previous=Zurück
 admincreateinvoices.dialog.button.next=Weiter
 admincreateinvoices.dialog.button.delete=Aus Liste entfernen
 admincreateinvoices.dialog.button.send=Rechnungen senden
+admincreateinvoices.pdf.button.send=Senden
 admincreateinvoices.dialog.notification.removed=Rechnung aus der Liste entfernt
 admincreateinvoices.mail.subject=Ihre Rechnung {0}
 admincreateinvoices.mail.body=Sehr geehrte Damen und Herren,\n\nanbei erhalten Sie Ihre Rechnung {0} für den Abrechnungszeitraum {1}.\n\nMit freundlichen Grüßen\n{2}
 admincreateinvoices.notification.sent={0} Rechnung(en) per E-Mail versendet
 admincreateinvoices.notification.sendfailed={0} Rechnung(en) konnten nicht versendet werden
+admincreateinvoices.button.zugferd=E-Rechnung (ZIP)
+admincreateinvoices.notification.zugferd.created=E-Rechnung {0} erstellt
+admincreateinvoices.notification.zugferd.invalid=E-Rechnung erstellt, aber die Validierung ist fehlgeschlagen. Details im Prüfbericht in der ZIP-Datei.
+admincreateinvoices.notification.zugferd.error=Fehler beim Erstellen der E-Rechnung: {0}
+admincreateinvoices.notification.zugferd.nopositions=Keine abrechenbaren Positionen für die E-Rechnung vorhanden

backend/src/main/resources/messages_ee.properties

@@ -972,8 +972,14 @@ admincreateinvoices.dialog.button.previous=Tagasi
 admincreateinvoices.dialog.button.next=Edasi
 admincreateinvoices.dialog.button.delete=Eemalda loendist
 admincreateinvoices.dialog.button.send=Saada arved
+admincreateinvoices.pdf.button.send=Saada
 admincreateinvoices.dialog.notification.removed=Arve eemaldati loendist
 admincreateinvoices.mail.subject=Teie arve {0}
 admincreateinvoices.mail.body=Lugupeetud klient,\n\nmanuses on Teie arve {0} arveldusperioodi {1} eest.\n\nLugupidamisega\n{2}
 admincreateinvoices.notification.sent={0} arve(t) saadeti e-postiga
 admincreateinvoices.notification.sendfailed={0} arve(t) ei õnnestunud saata
+admincreateinvoices.button.zugferd=E-arve (ZIP)
+admincreateinvoices.notification.zugferd.created=E-arve {0} loodud
+admincreateinvoices.notification.zugferd.invalid=E-arve on loodud, kuid valideerimine ebaõnnestus. Üksikasjad on ZIP-failis olevas valideerimisaruandes.
+admincreateinvoices.notification.zugferd.error=Viga e-arve loomisel: {0}
+admincreateinvoices.notification.zugferd.nopositions=E-arve jaoks puuduvad arveldatavad positsioonid

backend/src/main/resources/messages_en.properties

@@ -1142,8 +1142,14 @@ admincreateinvoices.dialog.button.previous=Back
 admincreateinvoices.dialog.button.next=Next
 admincreateinvoices.dialog.button.delete=Remove from list
 admincreateinvoices.dialog.button.send=Send invoices
+admincreateinvoices.pdf.button.send=Send
 admincreateinvoices.dialog.notification.removed=Invoice removed from the list
 admincreateinvoices.mail.subject=Your invoice {0}
 admincreateinvoices.mail.body=Dear Sir or Madam,\n\nplease find attached your invoice {0} for the billing period {1}.\n\nKind regards\n{2}
 admincreateinvoices.notification.sent={0} invoice(s) sent by email
 admincreateinvoices.notification.sendfailed={0} invoice(s) could not be sent
+admincreateinvoices.button.zugferd=E-invoice (ZIP)
+admincreateinvoices.notification.zugferd.created=E-invoice {0} created
+admincreateinvoices.notification.zugferd.invalid=E-invoice created, but validation failed. See the validation report in the ZIP file.
+admincreateinvoices.notification.zugferd.error=Error creating the e-invoice: {0}
+admincreateinvoices.notification.zugferd.nopositions=No billable positions available for the e-invoice

backend/src/main/resources/messages_es.properties

@@ -1073,8 +1073,14 @@ admincreateinvoices.dialog.button.previous=Atrás
 admincreateinvoices.dialog.button.next=Siguiente
 admincreateinvoices.dialog.button.delete=Quitar de la lista
 admincreateinvoices.dialog.button.send=Enviar facturas
+admincreateinvoices.pdf.button.send=Enviar
 admincreateinvoices.dialog.notification.removed=Factura eliminada de la lista
 admincreateinvoices.mail.subject=Su factura {0}
 admincreateinvoices.mail.body=Estimados señores,\n\nadjunto encontrará su factura {0} correspondiente al período de facturación {1}.\n\nAtentamente\n{2}
 admincreateinvoices.notification.sent={0} factura(s) enviada(s) por correo electrónico
 admincreateinvoices.notification.sendfailed=No se pudieron enviar {0} factura(s)
+admincreateinvoices.button.zugferd=Factura electrónica (ZIP)
+admincreateinvoices.notification.zugferd.created=Factura electrónica {0} creada
+admincreateinvoices.notification.zugferd.invalid=Factura electrónica creada, pero la validación ha fallado. Consulte el informe de validación en el archivo ZIP.
+admincreateinvoices.notification.zugferd.error=Error al crear la factura electrónica: {0}
+admincreateinvoices.notification.zugferd.nopositions=No hay posiciones facturables disponibles para la factura electrónica

backend/src/main/resources/messages_fr.properties

@@ -1073,8 +1073,14 @@ admincreateinvoices.dialog.button.previous=Retour
 admincreateinvoices.dialog.button.next=Suivant
 admincreateinvoices.dialog.button.delete=Retirer de la liste
 admincreateinvoices.dialog.button.send=Envoyer les factures
+admincreateinvoices.pdf.button.send=Envoyer
 admincreateinvoices.dialog.notification.removed=Facture retirée de la liste
 admincreateinvoices.mail.subject=Votre facture {0}
 admincreateinvoices.mail.body=Madame, Monsieur,\n\nveuillez trouver ci-joint votre facture {0} pour la période de facturation {1}.\n\nCordialement\n{2}
 admincreateinvoices.notification.sent={0} facture(s) envoyée(s) par e-mail
 admincreateinvoices.notification.sendfailed={0} facture(s) n''ont pas pu être envoyées
+admincreateinvoices.button.zugferd=Facture électronique (ZIP)
+admincreateinvoices.notification.zugferd.created=Facture électronique {0} créée
+admincreateinvoices.notification.zugferd.invalid=Facture électronique créée, mais la validation a échoué. Détails dans le rapport de validation du fichier ZIP.
+admincreateinvoices.notification.zugferd.error=Erreur lors de la création de la facture électronique : {0}
+admincreateinvoices.notification.zugferd.nopositions=Aucune position facturable disponible pour la facture électronique

backend/src/main/resources/messages_lt.properties

@@ -1075,8 +1075,14 @@ admincreateinvoices.dialog.button.previous=Atgal
 admincreateinvoices.dialog.button.next=Toliau
 admincreateinvoices.dialog.button.delete=Pašalinti iš sąrašo
 admincreateinvoices.dialog.button.send=Siųsti sąskaitas
+admincreateinvoices.pdf.button.send=Siųsti
 admincreateinvoices.dialog.notification.removed=Sąskaita pašalinta iš sąrašo
 admincreateinvoices.mail.subject=Jūsų sąskaita {0}
 admincreateinvoices.mail.body=Gerbiami klientai,\n\npridedame Jūsų sąskaitą {0} už atsiskaitymo laikotarpį {1}.\n\nPagarbiai\n{2}
 admincreateinvoices.notification.sent=El. paštu išsiųsta sąskaitų: {0}
 admincreateinvoices.notification.sendfailed=Nepavyko išsiųsti sąskaitų: {0}
+admincreateinvoices.button.zugferd=E. sąskaita (ZIP)
+admincreateinvoices.notification.zugferd.created=E. sąskaita {0} sukurta
+admincreateinvoices.notification.zugferd.invalid=E. sąskaita sukurta, tačiau patikra nepavyko. Išsami informacija patikros ataskaitoje ZIP faile.
+admincreateinvoices.notification.zugferd.error=Klaida kuriant e. sąskaitą: {0}
+admincreateinvoices.notification.zugferd.nopositions=E. sąskaitai nėra apmokestinamų pozicijų

backend/src/main/resources/messages_lv.properties

@@ -1073,8 +1073,14 @@ admincreateinvoices.dialog.button.previous=Atpakaļ
 admincreateinvoices.dialog.button.next=Tālāk
 admincreateinvoices.dialog.button.delete=Noņemt no saraksta
 admincreateinvoices.dialog.button.send=Sūtīt rēķinus
+admincreateinvoices.pdf.button.send=Sūtīt
 admincreateinvoices.dialog.notification.removed=Rēķins noņemts no saraksta
 admincreateinvoices.mail.subject=Jūsu rēķins {0}
 admincreateinvoices.mail.body=Cienījamie klienti,\n\npielikumā ir Jūsu rēķins {0} par norēķinu periodu {1}.\n\nAr cieņu\n{2}
 admincreateinvoices.notification.sent=Pa e-pastu nosūtīti rēķini: {0}
 admincreateinvoices.notification.sendfailed=Neizdevās nosūtīt rēķinus: {0}
+admincreateinvoices.button.zugferd=E-rēķins (ZIP)
+admincreateinvoices.notification.zugferd.created=E-rēķins {0} izveidots
+admincreateinvoices.notification.zugferd.invalid=E-rēķins izveidots, bet validācija neizdevās. Detaļas skatiet validācijas atskaitē ZIP failā.
+admincreateinvoices.notification.zugferd.error=Kļūda, veidojot e-rēķinu: {0}
+admincreateinvoices.notification.zugferd.nopositions=E-rēķinam nav pieejamu norēķinu pozīciju

backend/src/main/resources/messages_pl.properties

@@ -1073,8 +1073,14 @@ admincreateinvoices.dialog.button.previous=Wstecz
 admincreateinvoices.dialog.button.next=Dalej
 admincreateinvoices.dialog.button.delete=Usuń z listy
 admincreateinvoices.dialog.button.send=Wyślij faktury
+admincreateinvoices.pdf.button.send=Wyślij
 admincreateinvoices.dialog.notification.removed=Faktura usunięta z listy
 admincreateinvoices.mail.subject=Państwa faktura {0}
 admincreateinvoices.mail.body=Szanowni Państwo,\n\nw załączeniu przesyłamy fakturę {0} za okres rozliczeniowy {1}.\n\nZ poważaniem\n{2}
 admincreateinvoices.notification.sent=Wysłano e-mailem faktur: {0}
 admincreateinvoices.notification.sendfailed=Nie udało się wysłać faktur: {0}
+admincreateinvoices.button.zugferd=E-faktura (ZIP)
+admincreateinvoices.notification.zugferd.created=Utworzono e-fakturę {0}
+admincreateinvoices.notification.zugferd.invalid=E-faktura została utworzona, ale walidacja nie powiodła się. Szczegóły w raporcie walidacji w pliku ZIP.
+admincreateinvoices.notification.zugferd.error=Błąd podczas tworzenia e-faktury: {0}
+admincreateinvoices.notification.zugferd.nopositions=Brak pozycji rozliczeniowych dla e-faktury

backend/src/main/resources/messages_ru.properties

@@ -1073,8 +1073,14 @@ admincreateinvoices.dialog.button.previous=Назад
 admincreateinvoices.dialog.button.next=Далее
 admincreateinvoices.dialog.button.delete=Удалить из списка
 admincreateinvoices.dialog.button.send=Отправить счета
+admincreateinvoices.pdf.button.send=Отправить
 admincreateinvoices.dialog.notification.removed=Счет удален из списка
 admincreateinvoices.mail.subject=Ваш счет {0}
 admincreateinvoices.mail.body=Уважаемые дамы и господа!\n\nВо вложении Вы найдете счет {0} за расчетный период {1}.\n\nС уважением\n{2}
 admincreateinvoices.notification.sent=Отправлено счетов по эл. почте: {0}
 admincreateinvoices.notification.sendfailed=Не удалось отправить счетов: {0}
+admincreateinvoices.button.zugferd=Электронный счёт (ZIP)
+admincreateinvoices.notification.zugferd.created=Электронный счёт {0} создан
+admincreateinvoices.notification.zugferd.invalid=Электронный счёт создан, но проверка не пройдена. Подробности в отчёте о проверке в ZIP-файле.
+admincreateinvoices.notification.zugferd.error=Ошибка при создании электронного счёта: {0}
+admincreateinvoices.notification.zugferd.nopositions=Нет позиций для выставления электронного счёта

backend/src/main/resources/messages_tr.properties

@@ -1073,8 +1073,14 @@ admincreateinvoices.dialog.button.previous=Geri
 admincreateinvoices.dialog.button.next=İleri
 admincreateinvoices.dialog.button.delete=Listeden kaldır
 admincreateinvoices.dialog.button.send=Faturaları gönder
+admincreateinvoices.pdf.button.send=Gönder
 admincreateinvoices.dialog.notification.removed=Fatura listeden kaldırıldı
 admincreateinvoices.mail.subject=Faturanız {0}
 admincreateinvoices.mail.body=Sayın yetkili,\n\n{1} fatura dönemine ait {0} numaralı faturanız ektedir.\n\nSaygılarımızla\n{2}
 admincreateinvoices.notification.sent={0} fatura e-posta ile gönderildi
 admincreateinvoices.notification.sendfailed={0} fatura gönderilemedi
+admincreateinvoices.button.zugferd=E-fatura (ZIP)
+admincreateinvoices.notification.zugferd.created={0} numaralı e-fatura oluşturuldu
+admincreateinvoices.notification.zugferd.invalid=E-fatura oluşturuldu ancak doğrulama başarısız oldu. Ayrıntılar ZIP dosyasındaki doğrulama raporunda.
+admincreateinvoices.notification.zugferd.error=E-fatura oluşturulurken hata: {0}
+admincreateinvoices.notification.zugferd.nopositions=E-fatura için faturalandırılabilir pozisyon yok