class Chapter
  include Mongoid::Document
  include Slug
  include OrbitTag::Taggable

  field :title, type: String, localize: true
  field :author, type: String, localize: true
  field :author_description, type: String, localize: true
  field :author_url, type: String
  field :text, localize: true
  field :page, type: String
  field :sort_number, type: Integer


  field :is_online_flipping_reader, :type => Boolean, :default => false

  field :keywords, type: String, localize: true

  belongs_to :publication

  has_many :chapter_files, :dependent => :destroy, :class_name => "ChapterFile"

  accepts_nested_attributes_for :chapter_files, :allow_destroy => true

  def chapter_file
    chapter_files[0]
  end
end