play-micro-components.scala

 def index(doi: String) = Action.async { request =>

    // Fake way of checking whether a particular user has access to the content or not (for demo purposes of course!)
    val fakeAccessCheck = math.random < 0.50

    for {
      timeBody <- getBodyOf("http://localhost:9000/time")
      fullTextBody <- getFulltextOrAbstract(doi,fakeAccessCheck)
      downloadsBody <- getBodyOf(s"http://localhost:9000/downloads/${encodeDoi(doi)}")
    } yield {      
      Ok(views.html.index(timeBody, fullTextBody, downloadsBody))
    }

  }
  
  private def getBodyOf(url:String): Future[String] = WS.url(url).get.map(r=> r.body)

  private def getFulltextOrAbstract(doi: String, hasAccess:Boolean): Future[String] = {
    val encodedDoi = encodeDoi(doi)
    val url = if(hasAccess) s"http://localhost:9000/fulltext/$encodedDoi" else s"http://localhost:9000/abstract/$encodedDoi"
    getBodyOf(url)
  }

  private def encodeDoi(doi: String) = java.net.URLEncoder.encode(doi)