func (g *gregorHandler) kbfsFavorites(ctx context.Context, m gregor.OutOfBandMessage) error { if m.Body() == nil { return errors.New("gregor handler for kbfs.favorites: nil message body") } body, err := jsonw.Unmarshal(m.Body().Bytes()) if err != nil { return err } action, err := body.AtPath("action").GetString() if err != nil { return err } switch action { case "create", "delete": return g.notifyFavoritesChanged(ctx, m.UID()) default: return fmt.Errorf("unhandled kbfs.favorites action %q", action) } }