activestorage/lib/active_storage/attached.rb


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# frozen_string_literal: true

require "active_support/core_ext/module/delegation"

module ActiveStorage
  # Abstract base class for the concrete ActiveStorage::Attached::One and ActiveStorage::Attached::Many
  # classes that both provide proxy access to the blob association for a record.
  class Attached
    attr_reader :name, :record, :dependent

    def initialize(name, record, dependent:)
      @name, @record, @dependent = name, record, dependent
    end

    private
      def change
        record.attachment_changes[name]
      end
  end
end

require "active_storage/attached/model"
require "active_storage/attached/one"
require "active_storage/attached/many"
require "active_storage/attached/changes"