class Result<T>(val data: T? = null, val error: Throwable? = null) {

    companion object {
        fun <T> fromData(data: T): Result<T> {

            return Result(data, null)
        }

        fun <T> fromError(error: Throwable): Result<T> {

            return if (error is HttpException) {
                manageCodeHttpException(error)
            } else Result(null, error)
        }

        private fun <T> manageCodeHttpException(error: HttpException): Result<T> {

            return checkRange(error)
                

        }

        private fun <T> checkRange(error: HttpException): Result<T> {
            if (error.code() in 400..499) {
                if (error.code() == 401) AccountStorage().signOut()

                mapErrorBody(error, PAErrorModel::class.java)?.let {
                    return@let Result(null, it)
                } ?: return Result(null, PAErrorModel("", error.localizedMessage))
            }

            return Result(null, PAErrorModel("", error.localizedMessage))
        }
    }

Result