func (s UserStorage) getOneWithAssociations(id int64) (model.User, error) {
	var user model.User
	s.db.First(&user, id)
	s.db.Model(&user).Related(&user.Chocolates, "Chocolates")
	if err := s.db.Error; err == gorm.ErrRecordNotFound {
		errMessage := fmt.Sprintf("User for id %s not found", id)
		return model.User{}, api2go.NewHTTPError(errors.New(errMessage), errMessage, http.StatusNotFound)
	} else if err != nil {
		return model.User{}, err
	}
	user.ChocolatesIDs = make([]string, len(user.Chocolates))
	for i, choc := range user.Chocolates {
		user.ChocolatesIDs[i] = choc.GetID()
	}
	return user, nil
}