Print finished World Cup match results

main.scala

import scala.concurrent.duration._
import scala.concurrent.Await
import dispatch._, Defaults._
import play.api.libs.json._

object Main {
  def formatMatch(jsonMatch: JsObject): Option[String] = for {
    cHome <- (jsonMatch \ "home_team" \ "country").asOpt[String]
    gHome <- (jsonMatch \ "home_team" \ "goals").asOpt[Int]
    cAway <- (jsonMatch \ "away_team" \ "country").asOpt[String]
    gAway <- (jsonMatch \ "away_team" \ "goals").asOpt[Int]
  } yield s"$cHome $gHome x $cAway $gAway"

  def parseJson(jsonString: String): String =
    Json.parse(jsonString).as[List[JsObject]]
      .collect { case i if (i \ "status").as[String] == "completed" => formatMatch(i).getOrElse("") }
      .mkString("\n")

  def matchesOver(): Future[String] =
    for (request <- Http(url("http://worldcup.sfg.io/matches") OK as.String)) yield parseJson(request)

  def main(args: Array[String]) = println(Await.result(matchesOver(), 10 seconds))
}