# frozen_string_literal: true class Account < ActiveRecord::Base belongs_to :firm, class_name: "Company" belongs_to :unautosaved_firm, foreign_key: "firm_id", class_name: "Firm", autosave: false alias_attribute :available_credit, :credit_limit def self.destroyed_account_ids @destroyed_account_ids ||= Hash.new { |h, k| h[k] = [] } end # Test private kernel method through collection proxy using has_many. scope :open, -> { where("firm_name = ?", "37signals") } scope :available, -> { open } before_destroy do |account| if account.firm Account.destroyed_account_ids[account.firm.id] << account.id end end validate :check_empty_credit_limit private def check_empty_credit_limit errors.add("credit_limit", :blank) if credit_limit.blank? end def private_method "Sir, yes sir!" end end class SubAccount < Account def self.instantiate_instance_of(klass, attributes, column_types = {}, &block) klass = superclass super end private_class_method :instantiate_instance_of end