Refactor scala

refactor.scala

def create(userId: String, feedItemId: String) {
  println("user: "+userId + " clipou: "+feedItemId)
  redisClientPool.withClient { client =>
    val itemsAdded = addItemToClips(redis, userId, feedItemId)
    if (itemsAdded != 0) {
      addClipToTimeline(client, userId, feedItemId)
      userFollowersSet(client, userId) match {
        case Some(followersIds) => followersIds.flatten { followerId =>
          addClipToTimeline(client, userId, feedItemId)
        }
        case None => println("No followers? Looser!")
      }
    }
  }
}

def addClipToTimeline(client: RedisClient, userId: String, feedItemId: String) =
      client.lpush("user:"+userId+":timeline","c|"+feedItemId+"|"+userId)

def userFollowersSet(client: RedisClient, userId: String) : Set[Option[String]] =
      client.smembers("user:"+userId+":followers")

def addItemToClips(client: RedisClient, userId, feedItemId: String) : Int =
      client.sadd("user:"+userId+":clips", feedItemId).getOrElse(0)