def liked_users
    @post = Post.find(params[:post_id])
    @likes = @post.likes
    response = @likes.map do |like|
      user = like.user
      avatar = url_for(user.avatar)
      user_name = user.username
      {
        userName:user_name,
        avatar: avatar,
      }
    end
    # @users = @likes.map {|like| like.user}
    # @avatars = @users.map{|user| user.avatar }
    render json: {users: response}

  end