yeti-switch / yeti-web / 2004862189

module CsvReport

  extend ActiveSupport::Concern

  included do

    attr_accessor :send_to

    validate do

      if send_to.present? && send_to.any?

        errors.add(:send_to, :invalid) if contacts.count != send_to.count

      end

    end

    def send_to=(send_to_ids)

      @send_to = send_to_ids.reject(&:blank?)

    end

    def contacts

      unless instance_variable_defined?(:@contacts)

        @contacts ||= Billing::Contact.where(id: send_to)

      end

      @contacts

    end

  end

end