# frozen_string_literal: true class Contract < ActiveRecord::Base belongs_to :company belongs_to :developer, primary_key: :id belongs_to :firm, foreign_key: "company_id" before_save :hi after_save :bye attr_accessor :hi_count, :bye_count def hi @hi_count ||= 0 @hi_count += 1 end def bye @bye_count ||= 0 @bye_count += 1 end end class NewContract < Contract validates :company_id, presence: true end