much case very none

doge.scala

class Knocker extends Actor with ActorLogging {
  import scala.concurrent.ExecutionContext.Implicits.global
  def receive: Receive = {
    case imsg:IMessage =>
      KnockKnock(imsg) match {
        case Some(knock) =>
          knock.target match {
            case Some(nick) =>
              V2D2.nickMap onSuccess {
                case nm =>
                  nm get (nick.trim) match {
                    case Some(user) =>
                      context.parent ! s"Knock, knock @${nick}!"
                    case _ =>
                      context.parent ! s"Nice try silly human."
                  }
              }
            case _ => None
          }
        case _ => None
      }
    case _ => None
  }
}