How to pipeline transform to optional type by status code

[Joshua Fernandes]

Hello all,

Im using spray client and what I'd like to do after a get request is to take the response code and return an optional type; however I keep running into a brick wall, and I am not sure what Im doing incorrectly. Could some please point me in the right direction

This is the code I have so far :

        val pipeline: HttpRequest => Future[HttpResponse] = (
           addHeader(HttpHeaders.`Content-Type`.apply(ContentTypes.`application/json`))
           ~> sendReceive ~> transformerOption[EditorError]
        )

My transformer looks like this:

       def transformerOption[CustomError]: Future[HttpResponse] => Future[Option[CustomError]] =
                                                                                    (futRes: Future[HttpResponse]) => futRes.map { res =>
         if (res.status == StatusCodes.NotFound) {
           Some(CustomError(res.status.defaultMessage, "some string here"))
         } else if (res.status == StatusCodes.NotFound) {
           Some(CustomError(res.status.defaultMessage, "some other string here"))
         } else {
           None
         }
       }


I've defined my type and the case codec like so:

        case class CustomError(name: String, details: String)

        implicit def CustomErrorCodec: CodecJson[CustomError] =
         casecodec2(CustomError.apply, CustomError.unapply)("name", "details")


I'd appreciate any help here with this. Thanks for taking the time to look.

Cheers

[Mathias Doenitz]

Joshua,

> I keep running into a brick wall, and I am not sure what Im doing incorrectly.

what error are you getting?

Cheers,
Mathias

---
mat...@spray.io
http://spray.io

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[Joshua Fernandes]

Hi Mathias, Was getting type errors.

Have since rewritten it and worked it through with a few monads and it's playing nice again.

Cheers