app/models/checkout_stat_has_user.rb
class CheckoutStatHasUser < ActiveRecord::Base
belongs_to :user_checkout_stat
belongs_to :user
validates_uniqueness_of :user_id, :scope => :user_checkout_stat_id
validates_presence_of :user_checkout_stat_id, :user_id
paginates_per 10
end
# == Schema Information
#
# Table name: checkout_stat_has_users
#
# id :integer not null, primary key
# user_checkout_stat_id :integer not null
# user_id :integer not null
# checkouts_count :integer default(0), not null
# created_at :datetime
# updated_at :datetime
#