Play: Handling timeouts

import javax.inject._
import scala.concurrent.duration._
import scala.concurrent.{ExecutionContext, Future, TimeoutException}
import scala.language.postfixOps
import play.api.mvc._
import play.api.libs.concurrent.Futures
import play.api.libs.concurrent.Futures._


@Singleton
class MyController @Inject()(cc: ControllerComponents)(implicit ec: ExecutionContext, f: Futures) extends AbstractController(cc) {

  def longComputation: Future[Int] = Future{
    Thread.sleep(2000)
    1
  }

  def hey: Action[AnyContent] = Action.async {
    longComputation.withTimeout(5 seconds).map { i =>
      Ok("Got result: " + i)
    }.recover {
      case e: TimeoutException => InternalServerError(s"timeout: $e")
    }
  }
}