Add payment QR code to invoice PDFs

backend/src/modules/serialexecution.service.ts

@@ -405,12 +405,15 @@ async function getCloseData(server:FastifyInstance,item: any, tenant: any, units
 
     console.log(item);
 
-    const [contact, customer, project, contract] = await Promise.all([
+    const [contact, customer, project, contract, bankAccounts] = await Promise.all([
         fetchById(server, schema.contacts, item.contact),
         fetchById(server, schema.customers, item.customer),
         fetchById(server, schema.projects, item.project),
         fetchById(server, schema.contracts, item.contract),
-        item.letterhead ? fetchById(server, schema.letterheads, item.letterhead) : null
+        server.db
+            .select()
+            .from(schema.bankaccounts)
+            .where(and(eq(schema.bankaccounts.tenant, tenant.id), eq(schema.bankaccounts.archived, false), eq(schema.bankaccounts.expired, false)))
 
     ]);
 
@@ -433,7 +436,8 @@ async function getCloseData(server:FastifyInstance,item: any, tenant: any, units
         contract,            // Contract Object
         units,               // Units Array
         products,            // Products Array
-        services             // Services Array
+        services,            // Services Array
+        bankAccounts         // Tenant Bank Accounts
     );
 
 
@@ -528,9 +532,11 @@ export function getDocumentDataBackend(
     contractData: any,   // Vertrag
     units: any[],        // Array aller Einheiten
     products: any[],     // Array aller Produkte
-    services: any[]      // Array aller Services
+    services: any[],     // Array aller Services
+    bankAccounts: any[] = [] // Array aller Bankkonten
 ) {
     const businessInfo = tenant.businessInfo || {}; // Fallback falls leer
+    const paymentQrBankAccount = bankAccounts.find((account: any) => !account.archived && !account.expired && account.iban) || null
 
     // --- 1. Agriculture Logic ---
     // Prüfen ob 'extraModules' existiert, sonst leeres Array annehmen
@@ -724,6 +730,12 @@ export function getDocumentDataBackend(
         },
         agriculture: itemInfo.agriculture,
         // Falls du AdvanceInvoices brauchst, musst du die Objekte hier übergeben oder leer lassen
-        usedAdvanceInvoices: []
+        usedAdvanceInvoices: [],
+        paymentQr: paymentQrBankAccount && itemInfo.payment_type === "transfer" ? {
+            iban: paymentQrBankAccount.iban,
+            recipientName: paymentQrBankAccount.ownerName || businessInfo.name || tenant.name,
+            amount: totals.totalGross,
+            remittance: itemInfo.documentNumber || itemInfo.title,
+        } : null
     };
 }