module ActiveRecord #:nodoc: # = Active Record Serialization module Serialization extend ActiveSupport::Concern include ActiveModel::Serializers::JSON def serializable_hash(options = nil) options = options.try(:clone) || {} options[:except] = Array.wrap(options[:except]).map { |n| n.to_s } options[:except] |= Array.wrap(self.class.inheritance_column) hash = super(options) serializable_add_includes(options) do |association, records, opts| hash[association] = records.is_a?(Enumerable) ? records.map { |r| r.serializable_hash(opts) } : records.serializable_hash(opts) end hash end private # Add associations specified via the :include option. # # Expects a block that takes as arguments: # +association+ - name of the association # +records+ - the association record(s) to be serialized # +opts+ - options for the association records def serializable_add_includes(options = {}) return unless include_associations = options.delete(:include) base_only_or_except = { :except => options[:except], :only => options[:only] } include_has_options = include_associations.is_a?(Hash) associations = include_has_options ? include_associations.keys : Array.wrap(include_associations) associations.each do |association| records = case self.class.reflect_on_association(association).macro when :has_many, :has_and_belongs_to_many send(association).to_a when :has_one, :belongs_to send(association) end if records association_options = include_has_options ? include_associations[association] : base_only_or_except opts = options.merge(association_options) yield(association, records, opts) end end options[:include] = include_associations end end end require 'active_record/serializers/xml_serializer'