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class CreateUserService
  def initialize(user_attributes)
    @user_attributes = user_attributes
  end

  def call
    puts "Creating user with following attributes.."
    p @user_attributes
  end
end

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class Rapper < ApplicationRecord
  belongs_to :agent, class_name: "User"
  has_many :bookings
end

class User < ApplicationRecord
  has_many :rappers, foreign_key: :agent_id
  has_many :bookings

  # source: -> pour spécifier à AR qu'il doit aller chercher la relation bookings du rapper comme source pour les reservations

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module PrivateAttrMethodsDecorators
  module Explicit
    module ClassMethods
      def private_attr_reader(*attributes)
        attributes.each do |attr|
          attr_reader attr

          private attr
        end
      end

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CyLemeunier