added place to telecommunication, added contract documents, added invoice to other contracts

backend/src/controllers/invoice.controller.ts

@@ -143,3 +143,38 @@ export async function deleteInvoice(req: Request, res: Response): Promise<void>
     } as ApiResponse);
   }
 }
+
+// ==================== CONTRACT-BASIERTE RECHNUNGEN (für alle Vertragstypen) ====================
+
+export async function getInvoicesByContract(req: Request, res: Response): Promise<void> {
+  try {
+    const contractId = parseInt(req.params.id);
+    const invoices = await invoiceService.getInvoicesByContract(contractId);
+    res.json({ success: true, data: invoices } as ApiResponse);
+  } catch (error) {
+    res.status(500).json({ success: false, error: 'Fehler beim Laden der Rechnungen' } as ApiResponse);
+  }
+}
+
+export async function addInvoiceByContract(req: Request, res: Response): Promise<void> {
+  try {
+    const contractId = parseInt(req.params.id);
+    const { invoiceDate, invoiceType, notes } = req.body;
+    const invoice = await invoiceService.addInvoiceByContract(contractId, {
+      invoiceDate: new Date(invoiceDate),
+      invoiceType,
+      notes,
+    });
+    await logChange({
+      req, action: 'CREATE', resourceType: 'Invoice',
+      resourceId: invoice.id.toString(),
+      label: `Rechnung (${invoiceType}) hinzugefügt`,
+    });
+    res.status(201).json({ success: true, data: invoice } as ApiResponse);
+  } catch (error) {
+    res.status(400).json({
+      success: false,
+      error: error instanceof Error ? error.message : 'Fehler beim Hinzufügen',
+    } as ApiResponse);
+  }
+}