ActiveRecord Error

gistfile1.rb

  def update_order
    @idlist = params[:id]
    @todays_list = ActionList.today.first
    @todays_list.reorder_action_items(@idlist)
  end


class ActionList < ActiveRecord::Base
  has_many :action_items

  scope :today, lambda {
    where("day = ?", Date.today)
  }

  scope :recent, lambda {
    where("day >= ? and day < ?", Date.today - 5.days, Date.today).includes(:action_items)
  }

  def reorder_action_items(new_order)
    new_order.each_with_index do |item, index|
      debugger
      action_item = self.action_items.find(item)
      action_item.sort_order = index + 1
      action_item.save
    end
  end
end



class ActionItem < ActiveRecord::Base
  belongs_to :action_list

  default_scope order("sort_order asc, created_at asc")

end