require "ostruct"

class User < ActiveRecord::Base
  serialize :custom

  def after_initialize
    self.custom = OpenStruct.new(custom)
  end

  before_validation :convert_custom_attributes_to_hash
  after_validation :convert_custom_attributes_to_ostruct

  def convert_custom_attributes_to_hash
    self.custom = custom.marshal_dump if custom.kind_of? OpenStruct
  end

  def convert_custom_attributes_to_ostruct
    self.custom = OpenStruct.new(custom) if custom.kind_of? Hash
  end
end