added invoices and status in cockpit, created info button for contract status types

backend/src/routes/cachedEmail.routes.ts

@@ -185,6 +185,24 @@ router.post(
   cachedEmailController.saveEmailAsPdf
 );
 
+// E-Mail als PDF exportieren und als Rechnung speichern
+// POST /api/emails/:id/save-as-invoice  { invoiceDate, invoiceType, notes? }
+router.post(
+  '/emails/:id/save-as-invoice',
+  authenticate,
+  requirePermission('contracts:update'),
+  cachedEmailController.saveEmailAsInvoice
+);
+
+// Anhang als Rechnung speichern
+// POST /api/emails/:id/attachments/:filename/save-as-invoice  { invoiceDate, invoiceType, notes? }
+router.post(
+  '/emails/:id/attachments/:filename/save-as-invoice',
+  authenticate,
+  requirePermission('contracts:update'),
+  cachedEmailController.saveAttachmentAsInvoice
+);
+
 // ==================== VERTRAGSZUORDNUNG ====================
 
 // E-Mail Vertrag zuordnen

backend/src/routes/invoice.routes.ts

@@ -0,0 +1,54 @@
+import { Router } from 'express';
+import * as invoiceController from '../controllers/invoice.controller.js';
+import { authenticate, requirePermission } from '../middleware/auth.js';
+
+const router = Router();
+
+// ==================== INVOICE CRUD ====================
+
+// Alle Rechnungen für ein EnergyContractDetails abrufen
+// GET /api/energy-details/:ecdId/invoices
+router.get(
+  '/:ecdId/invoices',
+  authenticate,
+  requirePermission('contracts:read'),
+  invoiceController.getInvoices
+);
+
+// Einzelne Rechnung abrufen
+// GET /api/energy-details/:ecdId/invoices/:invoiceId
+router.get(
+  '/:ecdId/invoices/:invoiceId',
+  authenticate,
+  requirePermission('contracts:read'),
+  invoiceController.getInvoice
+);
+
+// Neue Rechnung hinzufügen
+// POST /api/energy-details/:ecdId/invoices
+router.post(
+  '/:ecdId/invoices',
+  authenticate,
+  requirePermission('contracts:update'),
+  invoiceController.addInvoice
+);
+
+// Rechnung aktualisieren
+// PUT /api/energy-details/:ecdId/invoices/:invoiceId
+router.put(
+  '/:ecdId/invoices/:invoiceId',
+  authenticate,
+  requirePermission('contracts:update'),
+  invoiceController.updateInvoice
+);
+
+// Rechnung löschen
+// DELETE /api/energy-details/:ecdId/invoices/:invoiceId
+router.delete(
+  '/:ecdId/invoices/:invoiceId',
+  authenticate,
+  requirePermission('contracts:delete'),
+  invoiceController.deleteInvoice
+);
+
+export default router;

backend/src/routes/upload.routes.ts

@@ -658,4 +658,99 @@ router.delete(
   (req: AuthRequest, res: Response) => handleContractDocumentDelete(req, res, 'cancellationConfirmationOptionsPath')
 );
 
+// ==================== RECHNUNGS-DOKUMENTE ====================
+
+// Upload für Rechnungs-Dokument
+router.post(
+  '/invoices/:id',
+  authenticate,
+  requirePermission('contracts:update'),
+  setUploadDir('invoices'),
+  upload.single('document'),
+  async (req: AuthRequest, res: Response) => {
+    try {
+      if (!req.file) {
+        res.status(400).json({ success: false, error: 'Keine Datei hochgeladen' });
+        return;
+      }
+
+      const invoiceId = parseInt(req.params.id);
+      const relativePath = `/uploads/invoices/${req.file.filename}`;
+
+      // Alte Datei löschen falls vorhanden
+      const invoice = await prisma.invoice.findUnique({ where: { id: invoiceId } });
+      if (!invoice) {
+        res.status(404).json({ success: false, error: 'Rechnung nicht gefunden' });
+        return;
+      }
+
+      if (invoice.documentPath) {
+        const oldPath = path.join(process.cwd(), invoice.documentPath);
+        if (fs.existsSync(oldPath)) {
+          fs.unlinkSync(oldPath);
+        }
+      }
+
+      // Invoice in der DB aktualisieren
+      await prisma.invoice.update({
+        where: { id: invoiceId },
+        data: { documentPath: relativePath },
+      });
+
+      res.json({
+        success: true,
+        data: {
+          path: relativePath,
+          filename: req.file.filename,
+          originalName: req.file.originalname,
+          size: req.file.size,
+        },
+      });
+    } catch (error) {
+      console.error('Invoice upload error:', error);
+      res.status(500).json({ success: false, error: 'Upload fehlgeschlagen' });
+    }
+  }
+);
+
+// Löschen von Rechnungs-Dokument
+router.delete(
+  '/invoices/:id',
+  authenticate,
+  requirePermission('contracts:update'),
+  async (req: AuthRequest, res: Response) => {
+    try {
+      const invoiceId = parseInt(req.params.id);
+
+      const invoice = await prisma.invoice.findUnique({ where: { id: invoiceId } });
+      if (!invoice) {
+        res.status(404).json({ success: false, error: 'Rechnung nicht gefunden' });
+        return;
+      }
+
+      if (!invoice.documentPath) {
+        res.status(400).json({ success: false, error: 'Kein Dokument vorhanden' });
+        return;
+      }
+
+      // Datei löschen
+      const filePath = path.join(process.cwd(), invoice.documentPath);
+      if (fs.existsSync(filePath)) {
+        fs.unlinkSync(filePath);
+      }
+
+      // documentPath in DB auf null setzen
+      await prisma.invoice.update({
+        where: { id: invoiceId },
+        data: { documentPath: null },
+      });
+
+      res.json({ success: true });
+    } catch (error) {
+      console.error('Invoice delete error:', error);
+      res.status(500).json({ success: false, error: 'Löschen fehlgeschlagen' });
+    }
+  }
+);
+
 export default router;