Can anyone help me with this please?
I have the following in my route:
val result = (requestHandler ?
RequestHandler.AskForStatus).mapTo[PimpedResult[(StatusCode,
Result[StatusDTO])]]
onSuccess(result) {
case _ => complete(result)
}
The mapTo is really just to assist my debugging. The result could be a
Result[StatusDTO] or a PimpedResult.
Anyway, I get the following error on the complete call:
type mismatch; found :
scala.concurrent.Future[PimpedResult[(akka.http.scaladsl.model.StatusCode,
Result[StatusDTO])]] (which expands to)
scala.concurrent.Future[PimpedResult[(akka.http.scaladsl.model.StatusCode,
scala.util.Either[APIError,StatusDTO])]] required:
akka.http.scaladsl.marshalling.ToResponseMarshallable
I added the following after the mapTo:
val prm = implicitly[Future[PimpedResult[(StatusCode, Result[StatusDTO])]]
=> ToResponseMarshallable]
and that line gets this error:
Multiple markers at this line:
not enough arguments for method implicitly: (implicit e:
scala.concurrent.Future[PimpedResult[(akka.http.scaladsl.model.StatusCode,
Result[StatusDTO])]] ⇒
akka.http.scaladsl.marshalling.ToResponseMarshallable)scala.concurrent.Future[PimpedResult[(akka.http.scaladsl.model.StatusCode,
Result[StatusDTO])]] ⇒
akka.http.scaladsl.marshalling.ToResponseMarshallable. Unspecified value
parameter e.
No implicit view available from
scala.concurrent.Future[PimpedResult[(akka.http.scaladsl.model.StatusCode,
Result[StatusDTO])]] ⇒
akka.http.scaladsl.marshalling.ToResponseMarshallable.
Here is the custom marshaller. I know it's in scope because the
errorMarshaller works in the case where the response is Result[StatusDTO]
rather than PimpedResult
// See https://bitbucket.org/binarycamp/spray-contrib/src
trait APICustomMarshallers {
implicit def errorMarshaller[T](
implicit translator: ErrorTranslator[T],
statusCodeMapper: ErrorToStatusCodeMapper,
m: ToEntityMarshaller[T]): ToResponseMarshaller[APIError] = {
val base =
PredefinedToResponseMarshallers.fromStatusCodeAndHeadersAndValue
val result = base.compose {
error: APIError =>
(statusCodeMapper.orElse(ErrorToStatusCodeMapper.Default)(error),
DefaultHttpHeaders.NoCacheHeaders, translator(error))
}
result
}
implicit def statusMarshaller[T](implicit m: ToEntityMarshaller[T]):
ToResponseMarshaller[PimpedResult[(StatusCode, T)]] = {
val base =
PredefinedToResponseMarshallers.fromStatusCodeAndHeadersAndValue // Needs
the entity marshaller
val result = base.compose {
pimpedResult: PimpedResult[(StatusCode, T)] =>
pimpedResult.result match {
case Right(response) => (response._1,
DefaultHttpHeaders.NoCacheHeaders, response._2)
case _ => throw new
RuntimeException("StatusMarshaller got invalid PimpedResult")
}
}
result
}
}
Thanks for any help.
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