update

server.js

@@ -1534,6 +1534,55 @@ app.post('/api/qbo/import-unpaid', async (req, res) => {
     }
 });
 
+// Mark invoice as paid
+app.patch('/api/invoices/:id/mark-paid', async (req, res) => {
+    const { id } = req.params;
+    const { paid_date } = req.body; // Optional: explizites Datum, sonst heute
+    
+    try {
+        const dateToUse = paid_date || new Date().toISOString().split('T')[0];
+        const result = await pool.query(
+            'UPDATE invoices SET paid_date = $1, updated_at = CURRENT_TIMESTAMP WHERE id = $2 RETURNING *',
+            [dateToUse, id]
+        );
+        
+        if (result.rows.length === 0) {
+            return res.status(404).json({ error: 'Invoice not found' });
+        }
+        
+        console.log(`💰 Invoice #${result.rows[0].invoice_number} als bezahlt markiert (${dateToUse})`);
+        res.json(result.rows[0]);
+    } catch (error) {
+        console.error('Error marking invoice as paid:', error);
+        res.status(500).json({ error: 'Error marking invoice as paid' });
+    }
+});
+
+// Mark invoice as unpaid
+app.patch('/api/invoices/:id/mark-unpaid', async (req, res) => {
+    const { id } = req.params;
+    
+    try {
+        const result = await pool.query(
+            'UPDATE invoices SET paid_date = NULL, updated_at = CURRENT_TIMESTAMP WHERE id = $1 RETURNING *',
+            [id]
+        );
+        
+        if (result.rows.length === 0) {
+            return res.status(404).json({ error: 'Invoice not found' });
+        }
+        
+        console.log(`↩️ Invoice #${result.rows[0].invoice_number} als unbezahlt markiert`);
+        res.json(result.rows[0]);
+    } catch (error) {
+        console.error('Error marking invoice as unpaid:', error);
+        res.status(500).json({ error: 'Error marking invoice as unpaid' });
+    }
+});
+
+
+
+
 
 
 // Start server and browser