feat: Steuernummer und USt-IdNr. als Pflichtfelder für Kunden und Profil-Rechnungsdaten

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

backend/src/main/java/de/assecutor/votianlt/model/Customer.java

@@ -18,6 +18,12 @@ public class Customer {
     @Field("company_name")
     private String companyName;
 
+    @Field("tax_number")
+    private String taxNumber;
+
+    @Field("ust_id")
+    private String ustId;
+
     @Field("firstname")
     private String firstname;
 

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

@@ -28,6 +28,8 @@ public class AddCustomerView extends Main implements HasDynamicTitle {
     private final AddCustomerService addCustomerService;
 
     TextField companyName;
+    TextField taxNumber;
+    TextField ustId;
     ComboBox<String> title;
     TextField firstName;
     TextField lastName;
@@ -50,6 +52,19 @@ public class AddCustomerView extends Main implements HasDynamicTitle {
         companyName = new TextField(getTranslation("profile.company"));
         companyName.setWidthFull();
 
+        // Steuernummer (Pflichtfeld)
+        taxNumber = new TextField(getTranslation("profile.billing.taxnumber"));
+        taxNumber.setRequiredIndicatorVisible(true);
+        taxNumber.setWidthFull();
+        taxNumber.addBlurListener(e -> validateField(taxNumber));
+
+        // USt-IdNr. (Pflichtfeld)
+        ustId = new TextField(getTranslation("profile.billing.ustid"));
+        ustId.setRequiredIndicatorVisible(true);
+        ustId.setPlaceholder("DE123456789");
+        ustId.setWidthFull();
+        ustId.addBlurListener(e -> validateField(ustId));
+
         // Anrede (Dropdown)
         title = new ComboBox<>(getTranslation("addjob.address.salutation"));
         title.setItems(getTranslation("addjob.salutation.mr"), getTranslation("addjob.salutation.ms"),
@@ -126,6 +141,10 @@ public class AddCustomerView extends Main implements HasDynamicTitle {
 
         // Felder hinzufügen (einzeln pro Zeile, außer Straße/Hausnr und PLZ/Ort)
         formLayout.add(companyName);
+
+        // Steuernummer und USt-IdNr. nebeneinander
+        formLayout.add(taxNumber, ustId);
+
         formLayout.add(title);
         formLayout.add(firstName);
         formLayout.add(lastName);
@@ -162,6 +181,12 @@ public class AddCustomerView extends Main implements HasDynamicTitle {
     private void configureBinder() {
         binder.forField(companyName).bind(Customer::getCompanyName, Customer::setCompanyName);
 
+        binder.forField(taxNumber).asRequired(getTranslation("profile.validation.taxnumber.required"))
+                .bind(Customer::getTaxNumber, Customer::setTaxNumber);
+
+        binder.forField(ustId).asRequired(getTranslation("profile.validation.ustid.required")).bind(Customer::getUstId,
+                Customer::setUstId);
+
         binder.forField(title).bind(Customer::getTitle, Customer::setTitle);
 
         binder.forField(firstName).asRequired(getTranslation("profile.validation.firstname.required"))
@@ -260,6 +285,8 @@ public class AddCustomerView extends Main implements HasDynamicTitle {
     }
 
     private boolean validateAllFields() {
+        validateField(taxNumber);
+        validateField(ustId);
         validateField(firstName);
         validateField(lastName);
         validateField(telephone);
@@ -269,8 +296,9 @@ public class AddCustomerView extends Main implements HasDynamicTitle {
         validateField(city);
         validateEmail();
 
-        return !firstName.isInvalid() && !lastName.isInvalid() && !telephone.isInvalid() && !mail.isInvalid()
+        return !taxNumber.isInvalid() && !ustId.isInvalid() && !firstName.isInvalid() && !lastName.isInvalid()
-                && !street.isInvalid() && !houseNumber.isInvalid() && !zip.isInvalid() && !city.isInvalid();
+                && !telephone.isInvalid() && !mail.isInvalid() && !street.isInvalid() && !houseNumber.isInvalid()
+                && !zip.isInvalid() && !city.isInvalid();
     }
 
     @Override

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

@@ -36,6 +36,8 @@ public class EditCustomerView extends VerticalLayout implements HasUrlParameter<
     // Form fields - labels set in constructor via setLabel()
     private final TextField titleField = new TextField();
     private final TextField companyNameField = new TextField();
+    private final TextField taxNumberField = new TextField();
+    private final TextField ustIdField = new TextField();
     private final TextField firstnameField = new TextField();
     private final TextField lastNameField = new TextField();
     private final TextField telephoneField = new TextField();
@@ -61,6 +63,11 @@ public class EditCustomerView extends VerticalLayout implements HasUrlParameter<
         // Set field labels via i18n
         titleField.setLabel(getTranslation("addjob.address.salutation"));
         companyNameField.setLabel(getTranslation("profile.company"));
+        taxNumberField.setLabel(getTranslation("profile.billing.taxnumber"));
+        taxNumberField.setRequiredIndicatorVisible(true);
+        ustIdField.setLabel(getTranslation("profile.billing.ustid"));
+        ustIdField.setRequiredIndicatorVisible(true);
+        ustIdField.setPlaceholder("DE123456789");
         firstnameField.setLabel(getTranslation("profile.firstname"));
         lastNameField.setLabel(getTranslation("profile.lastname"));
         telephoneField.setLabel(getTranslation("profile.phone"));
@@ -95,6 +102,8 @@ public class EditCustomerView extends VerticalLayout implements HasUrlParameter<
         // Add fields to form - all fields in single column
         formLayout.add(titleField);
         formLayout.add(companyNameField);
+        formLayout.add(taxNumberField);
+        formLayout.add(ustIdField);
         formLayout.add(firstnameField);
         formLayout.add(lastNameField);
         formLayout.add(telephoneField);
@@ -134,6 +143,10 @@ public class EditCustomerView extends VerticalLayout implements HasUrlParameter<
     private void setupBinder() {
         binder.forField(titleField).bind(Customer::getTitle, Customer::setTitle);
         binder.forField(companyNameField).bind(Customer::getCompanyName, Customer::setCompanyName);
+        binder.forField(taxNumberField).asRequired(getTranslation("profile.validation.taxnumber.required"))
+                .bind(Customer::getTaxNumber, Customer::setTaxNumber);
+        binder.forField(ustIdField).asRequired(getTranslation("profile.validation.ustid.required"))
+                .bind(Customer::getUstId, Customer::setUstId);
         binder.forField(firstnameField).bind(Customer::getFirstname, Customer::setFirstname);
         binder.forField(lastNameField).bind(Customer::getLastName, Customer::setLastName);
         binder.forField(telephoneField).bind(Customer::getTelephone, Customer::setTelephone);

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

@@ -376,9 +376,17 @@ public class EditProfileView extends HorizontalLayout implements HasDynamicTitle
         // ZUGFeRD-E-Rechnung (Absender-USt-IdNr./Steuernummer, IBAN)
         ustIdField.setLabel(getTranslation("profile.billing.ustid"));
         ustIdField.setPlaceholder("DE123456789");
-        ustIdField.addBlurListener(e -> saveInvoiceData());
+        ustIdField.setRequiredIndicatorVisible(true);
+        ustIdField.addBlurListener(e -> {
+            validateField(ustIdField, getTranslation("profile.validation.ustid.required"));
+            saveInvoiceData();
+        });
         taxNumberField.setLabel(getTranslation("profile.billing.taxnumber"));
-        taxNumberField.addBlurListener(e -> saveInvoiceData());
+        taxNumberField.setRequiredIndicatorVisible(true);
+        taxNumberField.addBlurListener(e -> {
+            validateField(taxNumberField, getTranslation("profile.validation.taxnumber.required"));
+            saveInvoiceData();
+        });
         bankNameField.setLabel(getTranslation("profile.billing.bankname"));
         bankNameField.addBlurListener(e -> saveInvoiceData());
         ibanField.setLabel(getTranslation("profile.billing.iban"));
@@ -639,6 +647,14 @@ public class EditProfileView extends HorizontalLayout implements HasDynamicTitle
             boolean isValid = validateAllProfileFields(companyField, firstnameField, lastnameField, phoneField,
                     emailField, streetField, houseNumberField, zipField, cityField);
 
+            // Steuernummer und USt-IdNr. sind Pflicht, sobald die Rechnungslegung
+            // aktiviert ist
+            if (billingEnabled.getValue()) {
+                validateField(ustIdField, getTranslation("profile.validation.ustid.required"));
+                validateField(taxNumberField, getTranslation("profile.validation.taxnumber.required"));
+                isValid = isValid && !ustIdField.isInvalid() && !taxNumberField.isInvalid();
+            }
+
             if (!isValid) {
                 Notification.show(getTranslation("profile.validation.required.fill"), 3000,
                         Notification.Position.MIDDLE);

backend/src/main/resources/messages_de.properties

@@ -84,6 +84,8 @@ profile.validation.street.required=Straße ist erforderlich
 profile.validation.housenr.required=Hausnummer ist erforderlich
 profile.validation.zip.required=Postleitzahl ist erforderlich
 profile.validation.city.required=Stadt ist erforderlich
+profile.validation.taxnumber.required=Steuernummer ist erforderlich
+profile.validation.ustid.required=USt-IdNr. ist erforderlich
 profile.validation.firstname.required=Vorname ist erforderlich
 profile.validation.lastname.required=Nachname ist erforderlich
 profile.validation.phone.required=Telefonnummer ist erforderlich

backend/src/main/resources/messages_ee.properties

@@ -73,6 +73,8 @@ profile.validation.street.required=T\u00e4nav on kohustuslik
 profile.validation.housenr.required=Majanumber on kohustuslik
 profile.validation.zip.required=Postiindeks on kohustuslik
 profile.validation.city.required=Linn on kohustuslik
+profile.validation.taxnumber.required=Maksunumber on kohustuslik
+profile.validation.ustid.required=KMKR nr on kohustuslik
 profile.validation.firstname.required=Eesnimi on kohustuslik
 profile.validation.lastname.required=Perekonnanimi on kohustuslik
 profile.validation.phone.required=Telefoninumber on kohustuslik

backend/src/main/resources/messages_en.properties

@@ -84,6 +84,8 @@ profile.validation.street.required=Street is required
 profile.validation.housenr.required=House number is required
 profile.validation.zip.required=Postal code is required
 profile.validation.city.required=City is required
+profile.validation.taxnumber.required=Tax number is required
+profile.validation.ustid.required=VAT ID is required
 profile.validation.firstname.required=First name is required
 profile.validation.lastname.required=Last name is required
 profile.validation.phone.required=Phone number is required

backend/src/main/resources/messages_es.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=Calle es obligatorio
 profile.validation.housenr.required=N\u00famero de casa es obligatorio
 profile.validation.zip.required=C\u00f3digo postal es obligatorio
 profile.validation.city.required=Ciudad es obligatorio
+profile.validation.taxnumber.required=Número fiscal es obligatorio
+profile.validation.ustid.required=NIF-IVA es obligatorio
 profile.validation.firstname.required=Nombre es obligatorio
 profile.validation.lastname.required=Apellido es obligatorio
 profile.validation.phone.required=N\u00famero de tel\u00e9fono es obligatorio

backend/src/main/resources/messages_fr.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=La rue est obligatoire
 profile.validation.housenr.required=Le num\u00e9ro est obligatoire
 profile.validation.zip.required=Le code postal est obligatoire
 profile.validation.city.required=La ville est obligatoire
+profile.validation.taxnumber.required=Le numéro fiscal est obligatoire
+profile.validation.ustid.required=Le n° TVA intracommunautaire est obligatoire
 profile.validation.firstname.required=Le pr\u00e9nom est obligatoire
 profile.validation.lastname.required=Le nom est obligatoire
 profile.validation.phone.required=Le num\u00e9ro de t\u00e9l\u00e9phone est obligatoire

backend/src/main/resources/messages_lt.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=Gatvė yra privaloma
 profile.validation.housenr.required=Namo numeris yra privalomas
 profile.validation.zip.required=Pašto kodas yra privalomas
 profile.validation.city.required=Miestas yra privalomas
+profile.validation.taxnumber.required=Mokesčių mokėtojo numeris yra privalomas
+profile.validation.ustid.required=PVM mokėtojo kodas yra privalomas
 profile.validation.firstname.required=Vardas yra privalomas
 profile.validation.lastname.required=Pavardė yra privaloma
 profile.validation.phone.required=Telefono numeris yra privalomas

backend/src/main/resources/messages_lv.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=Iela ir obligāta
 profile.validation.housenr.required=Mājas numurs ir obligāts
 profile.validation.zip.required=Pasta indekss ir obligāts
 profile.validation.city.required=Pilsēta ir obligāta
+profile.validation.taxnumber.required=Nodokļu maksātāja numurs ir obligāts
+profile.validation.ustid.required=PVN numurs ir obligāts
 profile.validation.firstname.required=Vārds ir obligāts
 profile.validation.lastname.required=Uzvārds ir obligāts
 profile.validation.phone.required=Tālruņa numurs ir obligāts

backend/src/main/resources/messages_pl.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=Ulica jest wymagana
 profile.validation.housenr.required=Numer domu jest wymagany
 profile.validation.zip.required=Kod pocztowy jest wymagany
 profile.validation.city.required=Miasto jest wymagane
+profile.validation.taxnumber.required=Numer podatkowy jest wymagany
+profile.validation.ustid.required=NIP UE jest wymagany
 profile.validation.firstname.required=Imi\u0119 jest wymagane
 profile.validation.lastname.required=Nazwisko jest wymagane
 profile.validation.phone.required=Numer telefonu jest wymagany

backend/src/main/resources/messages_ru.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=Улица обязательна
 profile.validation.housenr.required=Номер дома обязателен
 profile.validation.zip.required=Почтовый индекс обязателен
 profile.validation.city.required=Город обязателен
+profile.validation.taxnumber.required=Налоговый номер обязателен
+profile.validation.ustid.required=Идентификатор плательщика НДС обязателен
 profile.validation.firstname.required=Имя обязательно
 profile.validation.lastname.required=Фамилия обязательна
 profile.validation.phone.required=Номер телефона обязателен

backend/src/main/resources/messages_tr.properties

@@ -83,6 +83,8 @@ profile.validation.street.required=Sokak gereklidir
 profile.validation.housenr.required=Kap\u0131 numaras\u0131 gereklidir
 profile.validation.zip.required=Posta kodu gereklidir
 profile.validation.city.required=\u015eehir gereklidir
+profile.validation.taxnumber.required=Vergi numarası gereklidir
+profile.validation.ustid.required=KDV kimlik no gereklidir
 profile.validation.firstname.required=Ad gereklidir
 profile.validation.lastname.required=Soyad gereklidir
 profile.validation.phone.required=Telefon numaras\u0131 gereklidir