logRequestResult

def logRequestResult(marker: String)(implicit log: LoggingContext): Directive0
def logRequestResult(marker: String, level: LogLevel)(implicit log: LoggingContext): Directive0
def logRequestResult(show: HttpRequest => HttpResponsePart => Option[LogEntry])
                      (implicit log: LoggingContext): Directive0
def logRequestResult(show: HttpRequest => Any => Option[LogEntry])(implicit log: LoggingContext): Directive0

// different possibilities of using logRequestResponse

// The first alternatives use an implicitly available LoggingContext for logging
// marks with "get-user", log with debug level, HttpRequest.toString, HttpResponse.toString
DebuggingDirectives.logRequestResult("get-user")

// marks with "get-user", log with info level, HttpRequest.toString, HttpResponse.toString
DebuggingDirectives.logRequestResult(("get-user", Logging.InfoLevel))

// logs just the request method and response status at info level
def requestMethodAndResponseStatusAsInfo(req: HttpRequest): Any => Option[LogEntry] = {
  case res: HttpResponse => Some(LogEntry(req.method + ":" + res.status, Logging.InfoLevel))
  case _                 => None // other kind of responses
}
DebuggingDirectives.logRequestResult(requestMethodAndResponseStatusAsInfo _)

// This one doesn't use the implicit LoggingContext but uses `println` for logging
def printRequestMethodAndResponseStatus(req: HttpRequest)(res: Any): Unit =
  println(requestMethodAndResponseStatusAsInfo(req)(res).map(_.obj.toString).getOrElse(""))
val logRequestResultPrintln = DebuggingDirectives.logRequestResult(LoggingMagnet(_ => printRequestMethodAndResponseStatus))

// tests:
Get("/") ~> logRequestResultPrintln(complete("logged")) ~> check {
  responseAs[String] shouldEqual "logged"
}