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

backend/src/services/invoice.service.ts

@@ -59,6 +59,7 @@ export async function addInvoice(energyContractDetailsId: number, data: CreateIn
   return prisma.invoice.create({
     data: {
       energyContractDetailsId,
+      contractId: energyDetails.contractId,
       invoiceDate: data.invoiceDate,
       invoiceType: data.invoiceType,
       documentPath: data.documentPath,
@@ -67,6 +68,28 @@ export async function addInvoice(energyContractDetailsId: number, data: CreateIn
   });
 }
 
+/**
+ * Rechnung direkt über contractId hinzufügen (für alle Vertragstypen)
+ */
+export async function addInvoiceByContract(contractId: number, data: CreateInvoiceData) {
+  return prisma.invoice.create({
+    data: {
+      contractId,
+      invoiceDate: data.invoiceDate,
+      invoiceType: data.invoiceType,
+      documentPath: data.documentPath,
+      notes: data.notes,
+    },
+  });
+}
+
+export async function getInvoicesByContract(contractId: number) {
+  return prisma.invoice.findMany({
+    where: { contractId },
+    orderBy: { invoiceDate: 'desc' },
+  });
+}
+
 /**
  * Rechnung aktualisieren
  */