Application.scala

def index(page: Int) = Action.async { implicit request =>
  for {
    api <- fetchApi
    response <- api.forms("everything")
      .query(
        Predicate.at("document.type", "Blog-post")
      )
      .ref(ref(api))
      .orderings("[Blog-post.date]")
      .pageSize(10)
      .page(page).submit()
  } yield {
    val newResponse = response.copy(results = response.results.sortWith((a, b) =>  {
      a.getDate("Blog-post.date").map(_.value).getOrElse(LocalDate.now())
        .isAfter(b.getDate("Blog-post.date").map(_.value).getOrElse(LocalDate.now()))
    }))
    Ok(views.html.index(newResponse))
  }
}