update

backend/src/services/bestellung.service.ts

@@ -148,11 +148,18 @@ async function getOrderById(id: number) {
   try {
     const orderResult = await pool.query(
       `SELECT b.*,
-              l.name AS lieferant_name,
-              COALESCE(u.name, u.preferred_username, u.email) AS besteller_name
+              l.name            AS lieferant_name,
+              l.kontakt_name    AS lieferant_kontakt_name,
+              l.email           AS lieferant_email,
+              l.telefon         AS lieferant_telefon,
+              l.adresse         AS lieferant_adresse,
+              COALESCE(u.name, u.preferred_username, u.email) AS besteller_name,
+              u.email           AS besteller_email,
+              mp.dienstgrad     AS besteller_dienstgrad
        FROM bestellungen b
        LEFT JOIN lieferanten l ON l.id = b.lieferant_id
-       LEFT JOIN users u ON u.id = b.erstellt_von
+       LEFT JOIN users u ON u.id = COALESCE(b.besteller_id, b.erstellt_von)
+       LEFT JOIN mitglieder_profile mp ON mp.user_id = COALESCE(b.besteller_id, b.erstellt_von)
        WHERE b.id = $1`,
       [id]
     );