class AddCouponSubscrptionUses < ActiveRecord::Migration
  def self.up
    add_column :coupons, :use_for_times, :integer
    add_column :coupons, :use_for_months, :integer
  end

  def self.down
    remove_column :coupons, :use_for_times
    remove_column :coupons, :use_for_months
  end
end