custom directives for extracting info from the request and logging

gistfile1.scala

trait ApiWithLoggingDirective extends HttpService {
  
  def clientIPOrLoopbackAddress: Directive1[RemoteAddress] = Directives.clientIP | provide(RemoteAddress("127.0.0.1"))

  def clientIPAndUri: Directive[RemoteAddress :: Uri :: HNil] = clientIPOrLoopbackAddress & requestUri

  def detachAndLogRequest: Directive0 = (detach(()) & clientIPAndUri).hflatMap {
    case (ip :: uri :: HNil) => RequestLog.requestLoggingDirective(ip, uri)
  }
  
  val playerTypes = (get & path("api" / "playerTypes")) {
    detachAndLogRequest() {
      complete {
        PlayerTypes.findAll
      }
    }
  }

  val article = (get & path("api" / "news" / LongNumber)) { articleId =>
    detachAndLogRequest(Map("articleId" -> articleId.toString)) {
      complete {
        Article(articleId)
      }
    }
  }

}