Enhance DeleteListenerWaf method to include service retrieval and update...

Enhance DeleteListenerWaf method to include service retrieval and update listener name. Add error handling for service fetch failure to improve robustness and clarity in WAF service operations.

internal/service/waf.go

@@ -315,6 +315,14 @@ func (s *wafService) DeleteListenerWaf(ctx context.Context, req *DeleteListenerR
 		return fmt.Errorf("%s", errMsg)
 	}
 
+	service := &v1alpha1.Service{}
+	if _, err := client.Versioned.WafV1alpha1().Services(req.Namespace).Get(ctx, name, metav1.GetOptions{}); err != nil {
+		status = 1 // Failure
+		errMsg = fmt.Sprintf("failed to get WAF service: %v", err)
+		return fmt.Errorf("%s", errMsg)
+	}
+	req.ListenerName = service.Spec.ServiceName
+
 	if err := client.Versioned.WafV1alpha1().Services(req.Namespace).Delete(ctx, name, metav1.DeleteOptions{}); err != nil {
 		status = 1 // Failure
 		errMsg = fmt.Sprintf("failed to delete WAF service: %v", err)