# frozen_string_literal: true class Book < ActiveRecord::Base belongs_to :author has_many :citations, foreign_key: "book1_id" has_many :references, -> { distinct }, through: :citations, source: :reference_of has_many :subscriptions has_many :subscribers, through: :subscriptions enum status: [:proposed, :written, :published] enum read_status: { unread: 0, reading: 2, read: 3, forgotten: nil } enum nullable_status: [:single, :married] enum language: [:english, :spanish, :french], _prefix: :in enum author_visibility: [:visible, :invisible], _prefix: true enum illustrator_visibility: [:visible, :invisible], _prefix: true enum font_size: [:small, :medium, :large], _prefix: :with, _suffix: true enum difficulty: [:easy, :medium, :hard], _suffix: :to_read enum cover: { hard: "hard", soft: "soft" } enum boolean_status: { enabled: true, disabled: false } def published! super "do publish work..." end end class PublishedBook < ActiveRecord::Base self.table_name = "books" validates_uniqueness_of :isbn end