oldHandlingNetworkResponse.swift

fileprivate func newHandleNetworkResponse(_ response: HTTPURLResponse) -> Result<String, NetworkReponse> { 
        switch response.statusCode {
        case 200...299: return Result.success("Success")
        case 401...500: return Result.failure(.authenticationError)
        case 501...599: return Result.failure(.badRequest)
        case 600: return Result.failure(.outdated)
        default: return Result.failure(.failed)
        }
    }