gistfile1.rb

def followers 
  @users = @user.followers.order("relationships.created_at DESC")
  @users = @users.where("relationships.follower_id > ?", params[:after]) if params[:after].present?
  @users = @users.where("relationships.follower_id < ?", params[:before]) if params[:before].present?
  @users = @users.limit(20)
  render :index, status: :ok
end

def following
  @users = @user.followed_users.order("relationships.created_at DESC")
  @users = @users.where("relationships.followed_id > ?", params[:after]) if params[:after].present?
  @users = @users.where("relationships.followed_id < ?", params[:before]) if params[:before].present?
  @users = @users.limit(20)
  render :index, status: :ok
end