A active record monkey patch to make serialization easy with active model serializers

serializer_monkey.rb

# Monkey patch for ActiveRecord::Base to return serialized JSON in the format
# of an ActiveModel::Serializer.

module SerializedJson
  extend ActiveSupport::Concern

  def to_serial(serializer=nil, opts={})
    if self.respond_to?(:map)
      serializer ||= (self.base_class.name + "Serializer").constantize
      serialized_collection = self.map do |resource|
        serializer.new(resource).as_json[base_class.name.underscore]
      end
      { base_class.name.underscore.pluralize => serialized_collection }
    else
      serializer ||= (self.class.name + "Serializer").constantize
      root = opts[:root] || false
      json = serializer.new(self, root: root).as_json
    end
  end

end

ActiveRecord::Base.send(:include, SerializedJson)
ActiveRecord::Associations::CollectionProxy.send(:include, SerializedJson)
ActiveRecord::Relation.send(:include, SerializedJson)