func platformList(w http.ResponseWriter, r *http.Request, t auth.Token) error {
	canUsePlat := permission.Check(t, permission.PermPlatformUpdate) ||
		permission.Check(t, permission.PermPlatformCreate)
	platforms, err := servicemanager.Platform.List(!canUsePlat)
	if err != nil {
		return err
	}
	if len(platforms) == 0 {
		w.WriteHeader(http.StatusNoContent)
		return nil
	}
	w.Header().Set("Content-Type", "application/json")
	return json.NewEncoder(w).Encode(platforms)
}
func platformList(w http.ResponseWriter, r *http.Request, t auth.Token) error {
	canUsePlat := permission.Check(t, permission.PermPlatformUpdate) ||
		permission.Check(t, permission.PermPlatformCreate)
	platforms, err := servicemanager.Platform.List(!canUsePlat)
	if err != nil {
		return err
	}
	if len(platforms) == 0 {
		w.WriteHeader(http.StatusNoContent)
		return nil
	}
	w.Header().Set("Content-Type", "application/json")
	return json.NewEncoder(w).Encode(platforms)
}
// title: platform list
// path: /platforms
// method: GET
// produce: application/json
// responses:
//   200: List platforms
//   204: No content
//   401: Unauthorized