serializable_hash

# File activemodel/lib/active_model/serialization.rb, line 71
    def serializable_hash(options = nil)
      options ||= {}

      attribute_names = attributes.keys.sort
      if only = options[:only]
        attribute_names &= Array.wrap(only).map(&:to_s)
      elsif except = options[:except]
        attribute_names -= Array.wrap(except).map(&:to_s)
      end

      hash = {}
      attribute_names.each { |n| hash[n] = read_attribute_for_serialization(n) }

      method_names = Array.wrap(options[:methods]).select { |n| respond_to?(n) }
      method_names.each { |n| hash[n] = send(n) }

      serializable_add_includes(options) do |association, records, opts|
        hash[association] = if records.is_a?(Enumerable)
          records.map { |a| a.serializable_hash(opts) }
        else
          records.serializable_hash(opts)
        end
      end

      hash
    end