gistfile1.rb

class Book
  include Mongoid::Document
  include Mongoid::Timestamps
  include Mongoid::Slug
  
  # ----------------------------------
  # Book fields
  # ----------------------------------

  field :internal_id, type: String
  field :just_ported, type: Boolean, default: false
  field :cover_ported, type: Boolean, default: false
  field :cover_checked, type: Boolean, default: false
  field :prominent, type: Boolean, default: false
  field :editorial_data_checked, type: Boolean, default: false
  field :entities_checked, type: Boolean, default: false

  field :id_mbm, type: String
  field :format, type: String
  field :digital_format, type: String

  field :isbn, type: String
  field :isbn_paper, type: String
  field :isbn_ebook, type: String
  field :isbn_other1, type: String
  field :isbn_other2, type: String
  field :isbn_origin, type: String

  field :num_pages, type: String
  field :title, type: String
  field :subtitle, type: String

  field :curator, type: String
  field :translator, type: String
  field :illustrator, type: String
  field :editor, type: String

  field :mark, type: String
  field :year_publication, type: String
  field :age_rating, type: String
  field :abstract_long, type: String
  field :abstract_short, type: String

  field :bisac_1, type: String
  field :bisac_2, type: String
  field :bisac_3, type: String
  field :bisac_4, type: String
  field :bisac_5, type: String
  field :bisac_6, type: String
  field :bisac_7, type: String
  field :bisac_8, type: String
  field :bisac_9, type: String
  field :bisac_10, type: String

  field :typology, type: String
  field :book_website, type: String
  field :book_facebook, type: String
  field :book_youtube, type: String
  field :book_twitter, type: String
  field :book_other, type: String
  field :ecommerce_url, type: String

  field :launch_number, type: String
  field :miv_date, type: String
  field :in_catalog, type: String

  field :related_calculated_on, type: DateTime

  field :has_semantic, type: Boolean, default: false
  field :has_cover, type: Boolean, default: false

  field :comments_count, type: Integer, default: 0
  field :cached_entities, type: Array

  # ----------------------------------
  # Indexes
  # ----------------------------------

  index({internal_id: 1}, unique: true, name: "internal_id_index", background: true)
  index({likes_count: 1}, background: true)
  index({comments_count: 1}, background: true)
  index({has_semantic: 1}, background: true)
  index({has_cover: 1}, background: true)
  index({editorial_data_checked: 1}, background: true)
  index({entities_checked: 1}, background: true)
  index({has_cover: 1, has_semantic: 1}, background: true)

  # ----------------------------------
  # Embedded relations
  # ----------------------------------

  embeds_many :related_books
  embeds_many :relevant_entities

  # ----------------------------------
  # External relations
  # ----------------------------------

  belongs_to :category, index: true
  belongs_to :editor, index: true

  has_many :related_phrases
  has_many :correlations # N-N relation to entities
  has_many :comments, order: 'created_at DESC'
  has_many :actions

  has_and_belongs_to_many :authors, index: true
  has_and_belongs_to_many :users

  slug :title

end