akka-http with finagle

akka-http-finagle.scala

import com.twitter.{ util => twitter }

path("/") {
  val result = client1.getThings1 flatMap { things1 =>
    ...
    client2.getThings2 flatMap { things2 =>
    ...
    twitter.Future.join(client3.getThings3, client4.getThings4)
  }
  
  //version 1
  Await.result(result.liftToTry, 10.seconds) match {
    case twitter.Return(result) => complete(result)
    case twitter.Throw(ex) => complete((StatusCodes.InternalServerError, s"Error: $ex"))
  }
  
  //version 2
  onComplete(twitterFutureToScalaFuture(result)) {
    case Success(result) => complete(result)
    case Failure(ex) => complete((StatusCodes.InternalServerError, s"Error: $ex"))
  }
}