create_table "up_votes", force: true do |t|
  t.string   "ip"
end

create_table "down_votes", force: true do |t|
  t.string   "ip"
end

class Item < ActiveRecord::Base

  def up_votes_array
    self.up_votes.map(&:ip).to_a
  end

  def down_votes_array
    self.down_votes.map(&:ip).to_a
  end

  def up_voted?(ip)
    self.up_votes_array.include? ip
  end

  def down_voted?(ip)
    self.down_votes_array.include? ip
  end

@not_voted = Thing.where(show: true).select { |item| !item.up_voted?(request.remote_ip) }.select { |thing| !item.down_voted?(request.remote_ip) }.sort_by(&:alphabetical).reverse.first(100).shuffle