activerecord/test/models/hotel.rb


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class Hotel < ActiveRecord::Base
  has_many :departments
  has_many :chefs, through: :departments
  has_many :cake_designers, source_type: 'CakeDesigner', source: :employable, through: :chefs
  has_many :drink_designers, source_type: 'DrinkDesigner', source: :employable, through: :chefs
end