Erweiterungen

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

@@ -17,7 +17,11 @@ import com.vaadin.flow.component.UI;
 import com.vaadin.flow.component.textfield.EmailField;
 import com.vaadin.flow.component.textfield.TextField;
 import java.io.ByteArrayOutputStream;
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.ArrayList;
 import java.util.Base64;
+import java.util.List;
 
 import com.vaadin.flow.component.textfield.TextArea;
 import com.vaadin.flow.component.tabs.TabSheet;
@@ -28,9 +32,12 @@ import com.vaadin.flow.router.PageTitle;
 import com.vaadin.flow.router.Route;
 import de.assecutor.votianlt.model.User;
 import de.assecutor.votianlt.model.UserInvoiceData;
+import de.assecutor.votianlt.model.invoices.CustomerInvoiceData;
+import de.assecutor.votianlt.model.invoices.CustomerInvoiceItem;
 import de.assecutor.votianlt.pages.service.UserService;
 import de.assecutor.votianlt.pages.service.UserInvoiceDataService;
 import de.assecutor.votianlt.security.SecurityService;
+import de.assecutor.votianlt.service.CustomerInvoiceService;
 import jakarta.annotation.security.RolesAllowed;
 
 @PageTitle("Profil bearbeiten")
@@ -50,11 +57,14 @@ public class EditProfileView extends HorizontalLayout {
     private final Binder<User> binder = new Binder<>(User.class);
     private final User currentUser;
     private final UserInvoiceDataService userInvoiceDataService;
+    private final CustomerInvoiceService customerInvoiceService;
     private UserInvoiceData currentInvoiceData;
     private Checkbox billingEnabled;
 
-    public EditProfileView(UserService userService, UserInvoiceDataService userInvoiceDataService, SecurityService securityService) {
+    public EditProfileView(UserService userService, UserInvoiceDataService userInvoiceDataService,
+                          CustomerInvoiceService customerInvoiceService, SecurityService securityService) {
         this.userInvoiceDataService = userInvoiceDataService;
+        this.customerInvoiceService = customerInvoiceService;
         this.currentUser = securityService.getCurrentDatabaseUser();
         setSizeFull();
         setPadding(true);
@@ -443,28 +453,121 @@ public class EditProfileView extends HorizontalLayout {
     }
 
     private void refreshPdf() {
+        try {
             byte[] bytes = generatePreviewPdf();
+            if (bytes != null && bytes.length > 0) {
                 String dataUrl = "data:application/pdf;base64," + Base64.getEncoder().encodeToString(bytes)
                         + "#toolbar=0&navpanes=0&statusbar=0&view=Fit&zoom=page-fit";
                 if (pdfFrame != null) {
                     pdfFrame.setSrc(dataUrl);
                 }
             }
+        } catch (Exception e) {
+            // Log error or show notification
+            Notification.show("Fehler bei PDF-Generierung: " + e.getMessage(), 3000, Notification.Position.BOTTOM_END);
+        }
+    }
 
-    // Einfache Text-Vorschau generieren (PDF-Funktionalität entfernt)
     private byte[] generatePreviewPdf() {
-        StringBuilder content = new StringBuilder();
+        try {
-        content.append("RECHNUNGSVORSCHAU\n\n");
+            // Create CustomerInvoiceData with user's billing information
-        content.append("Rechnungs Präfix: ").append(safe(prefixField)).append("\n");
+            CustomerInvoiceData invoiceData = new CustomerInvoiceData();
-        content.append("USt-IdNr.: ").append(safe(ustIdField)).append("\n");
-        content.append("Steuernummer: ").append(safe(taxNumberField)).append("\n");
-        content.append("Bankname: ").append(safe(bankNameField)).append("\n");
-        content.append("IBAN: ").append(safe(ibanField)).append("\n");
-        content.append("Steuersatz: ").append(safe(taxRateField)).append("\n\n");
-        content.append("Einleitungstext:\n").append(safe(introTextArea)).append("\n\n");
-        content.append("Zahlungsbedingungen:\n").append(safe(termsTextArea)).append("\n");
 
-        return content.toString().getBytes(java.nio.charset.StandardCharsets.UTF_8);
+            // Set invoice details
+            String invoiceNumber = safe(prefixField) + "-" + System.currentTimeMillis();
+            invoiceData.setInvoiceNumber(invoiceNumber);
+            invoiceData.setInvoiceDate(LocalDate.now());
+            invoiceData.setDeliveryDate(LocalDate.now());
+            invoiceData.setDescription(safe(introTextArea));
+
+            // Set sender details from user profile and invoice settings
+            String companyName = safe(currentUser.getCompany());
+            if (companyName.isEmpty()) {
+                companyName = safe(currentUser.getFirstname()) + " " + safe(currentUser.getName());
+            }
+            invoiceData.setSenderName(companyName);
+            invoiceData.setSenderAddress(safe(currentUser.getStreet()) + " " + safe(currentUser.getHouseNumber()));
+            invoiceData.setSenderPostcode(safe(currentUser.getZip()));
+            invoiceData.setSenderCity(safe(currentUser.getCity()));
+            invoiceData.setSenderCountry("Deutschland");
+            invoiceData.setSenderTaxNumber(safe(taxNumberField));
+            invoiceData.setSenderVatId(safe(ustIdField));
+            invoiceData.setSenderPhone(safe(currentUser.getPhone()));
+            invoiceData.setSenderEmail(safe(currentUser.getEmail()));
+            invoiceData.setSenderWebsite("");
+
+            // Set recipient details (example data for preview)
+            invoiceData.setRecipientName("Max Mustermann");
+            invoiceData.setRecipientCompany("Musterfirma GmbH");
+            invoiceData.setRecipientAddress("Beispielstraße 123");
+            invoiceData.setRecipientPostcode("12345");
+            invoiceData.setRecipientCity("Beispielstadt");
+            invoiceData.setRecipientCountry("Deutschland");
+            invoiceData.setRecipientVatId("DE123456789");
+
+            // Create sample invoice items for preview
+            List<CustomerInvoiceItem> items = new ArrayList<>();
+            BigDecimal vatRate = parseVatRate(safe(taxRateField));
+
+            CustomerInvoiceItem item1 = new CustomerInvoiceItem(
+                new BigDecimal("1"), "Stk.", "Beispiel-Dienstleistung 1",
+                new BigDecimal("100.00"), vatRate);
+            CustomerInvoiceItem item2 = new CustomerInvoiceItem(
+                new BigDecimal("2"), "Std.", "Beispiel-Dienstleistung 2",
+                new BigDecimal("50.00"), vatRate);
+
+            items.add(item1);
+            items.add(item2);
+            invoiceData.setItems(items);
+
+            // Calculate amounts
+            BigDecimal netAmount = items.stream()
+                .map(CustomerInvoiceItem::getNetTotal)
+                .reduce(BigDecimal.ZERO, BigDecimal::add);
+            BigDecimal vatAmount = netAmount.multiply(vatRate);
+            BigDecimal totalAmount = netAmount.add(vatAmount);
+
+            invoiceData.setNetAmount(netAmount);
+            invoiceData.setVatRate(vatRate);
+            invoiceData.setVatAmount(vatAmount);
+            invoiceData.setTotalAmount(totalAmount);
+
+            // Set payment details
+            invoiceData.setPaymentTerms(safe(termsTextArea));
+            invoiceData.setPaymentDueDate(LocalDate.now().plusDays(14));
+            invoiceData.setBankAccount(safe(bankNameField));
+            invoiceData.setIban(safe(ibanField));
+            invoiceData.setBic("");
+
+            // Legal notes
+            invoiceData.setLegalNotes("");
+
+            // Generate PDF using CustomerInvoiceService
+            return customerInvoiceService.generateCustomerInvoicePdf(invoiceData);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            // Return empty PDF on error
+            return new byte[0];
+        }
+    }
+
+    private BigDecimal parseVatRate(String taxRateStr) {
+        try {
+            if (taxRateStr == null || taxRateStr.isEmpty()) {
+                return new BigDecimal("0.19"); // Default 19%
+            }
+            // Remove % sign if present and convert to decimal
+            taxRateStr = taxRateStr.replace("%", "").trim();
+            BigDecimal rate = new BigDecimal(taxRateStr);
+            // If value is greater than 1, assume it's a percentage and convert
+            if (rate.compareTo(BigDecimal.ONE) > 0) {
+                rate = rate.divide(new BigDecimal("100"));
+            }
+            return rate;
+        } catch (Exception e) {
+            return new BigDecimal("0.19"); // Default 19% on error
+        }
     }
 
     // Utility: safe getter für TextField/TextArea