An example of how to use sessions

SessionVisitsController.scala

final case class SessionVisitsController() extends Controller {

  def action(implicit request: HttpRequest) = {
    val visits = request.session.get("visits").getOrElse("0").toLong
    Ok(s"This is so cool, you've viewed it $visits times!")
      .withSession(request.session.set("visits", (visits + 1).toString))
  }

}