Methods to expose only specified attributes in ActiveRecord when using the helpers to_json and to_xml
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only_expose allows you to specify which attributes of an ActiveRecord method should be exposed when using to_json or to_xml. It makes exposing model data easier to manage.


class Foo < ActiveRecord::Base
  include OnlyExpose
  only_expose :name

This defines a class Foo which will only expose the attribute 'name' when to_json or to_xml is used.

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