func()

in pkg/controllers/eventhandlers/mapper.go [161:196]

• 35 lines of code
• 10 McCabe index (conditional complexity)

func (r *resourceMapper) backendRefToRoutes(ctx context.Context, obj client.Object, group, kind string, routeType core.RouteType) []core.Route {
	if obj == nil {
		return nil
	}
	var routes []core.Route
	switch routeType {
	case core.HttpRouteType:
		routeList := &gwv1.HTTPRouteList{}
		r.client.List(ctx, routeList)
		for _, k8sRoute := range routeList.Items {
			routes = append(routes, core.NewHTTPRoute(k8sRoute))
		}
	case core.GrpcRouteType:
		routeList := &gwv1.GRPCRouteList{}
		r.client.List(ctx, routeList)
		for _, k8sRoute := range routeList.Items {
			routes = append(routes, core.NewGRPCRoute(k8sRoute))
		}
	case core.TlsRouteType:
		routeList := &gwv1alpha2.TLSRouteList{}
		r.client.List(ctx, routeList)
		for _, k8sRoute := range routeList.Items {
			routes = append(routes, core.NewTLSRoute(k8sRoute))
		}
	default:
		return nil
	}

	var filteredRoutes []core.Route
	for _, route := range routes {
		if r.isBackendRefUsedByRoute(route, obj, group, kind) {
			filteredRoutes = append(filteredRoutes, route)
		}
	}
	return filteredRoutes
}