Refactor implicit

refactor2.scala

def create(userId: String, feedItemId: String) {
  println("user: "+userId + " clipou: "+feedItemId)
  redisClientPool.withClient { implicit client =>
    val itemsAdded = addItemToClips(userId, feedItemId)
    if (itemsAdded != 0) {
      addClipToTimeline(userId, feedItemId)
      userFollowersSet(userId).flatten.foreach { followerId =>
        addClipToTimeline(followerId, feedItemId)
      }
    }
  }
}

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

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

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