# frozen_string_literal: true class Car < ActiveRecord::Base has_many :bulbs has_many :all_bulbs, -> { unscope where: :name }, class_name: "Bulb" has_many :funky_bulbs, class_name: "FunkyBulb", dependent: :destroy has_many :failed_bulbs, class_name: "FailedBulb", dependent: :destroy has_many :foo_bulbs, -> { where(name: "foo") }, class_name: "Bulb" has_many :awesome_bulbs, -> { awesome }, class_name: "Bulb" has_one :bulb has_many :tyres has_many :engines, dependent: :destroy, inverse_of: :my_car has_many :wheels, as: :wheelable, dependent: :destroy has_many :price_estimates, as: :estimate_of scope :incl_tyres, -> { includes(:tyres) } scope :incl_engines, -> { includes(:engines) } scope :order_using_new_style, -> { order("name asc") } attribute :wheels_owned_at, :datetime, default: -> { Time.now } end class CoolCar < Car default_scope { order("name desc") } end class FastCar < Car default_scope { order("name desc") } end