/// <summary>
    ///Обертка для ответа клиенту
    /// </summary>
    public class ApiDataResponse
    {
        /// <summary>
        /// Response payload
        /// </summary>
        public object Body { get; }

        public bool IsSuccess => Errors == null;

        protected IList<string> Errors;

        /// <summary>
        /// Добавление ошибок
        /// </summary>
        /// <param name="errors">Список ошибок</param>
        public void AddErrors(IEnumerable<string> errors)
        {
            if (Errors == null)
                Errors = new List<string>();

            foreach (var error in errors)
                Errors.Add(error);
        }

        public ApiDataResponse(object body = null)
        {
            Body = body;
        }
    }

    /// <summary>
    /// Запрос завершился с ошибкой
    /// </summary>
    public class ErrorApiResponse : ApiDataResponse
    {
        public ErrorApiResponse(string error) : base(null)
        {
            AddErrors(new string[1] { error });
        }

        /// <summary>
        /// Ошибки
        /// </summary>
        public string Error => Errors.Aggregate((a, b) => $"{a}{Environment.NewLine}{b}");
    }
    public class ApiDataResponse<T> : ApiDataResponse
    {
        public ApiDataResponse(T body) : base(body)
        {
        }
    }