Refactor DeleteListenerWaf method to store listener name in a variable for...

Refactor DeleteListenerWaf method to store listener name in a variable for improved clarity and maintainability. This change enhances the readability of the code while preserving existing functionality.

internal/service/waf.go

@@ -301,6 +301,7 @@ func (s *wafService) CreateWaf(ctx context.Context, req *CreateWafReq) (*WafServ
 func (s *wafService) DeleteListenerWaf(ctx context.Context, req *DeleteListenerReq) error {
 	var errMsg string
 	var status int = 0 // Success by default
+	var listenerName string
 
 	name := fmt.Sprintf("%s-%d", req.GatewayName, req.Port)
 
@@ -321,7 +322,7 @@ func (s *wafService) DeleteListenerWaf(ctx context.Context, req *DeleteListenerR
 		errMsg = fmt.Sprintf("failed to get WAF service: %v", err)
 		return fmt.Errorf("%s", errMsg)
 	}
-	req.ListenerName = service.Spec.ServiceName
+	listenerName = service.Spec.ServiceName
 
 	if err := client.Versioned.WafV1alpha1().Services(req.Namespace).Delete(ctx, name, metav1.DeleteOptions{}); err != nil {
 		status = 1 // Failure