Error to user description

UserDescriptionSnippet.kt

fun Error.userDescription(): String {
    return when (this) {
        is RemoteServiceHttpError -> 
            return when {
                isServerError -> "A server error occurred. (${httpStatusCode.code})"
                else -> "An error occurred. (${httpStatusCode.code})"
            }
        }
        is OAuthError -> {
            return "Authentication failed."
        }
        is NetworkError -> {
            return "The server could not be reached. Please check your connection and try again."
        }
        is UnexpectedError -> {
            return "An unexpected error occurred."
        }
        else -> {
            return "An unknown error occurred."
        }
    }
}