class Content::HelpItem
  include Mongoid::Document

  embeds_many :records do
    def find_by_locale(locale)
      where(locale: locale)
    end

    def find_by_question(question)
      where(question: question).first
    end

    def find_by_answer(answer)
      where(answer: answer).first
    end
  end
  accepts_nested_attributes_for :records
end

class Content::Record
  include Mongoid::Document
  field :locale, type: String
  field :question, type: String
  field :answer, type: String

  scope :english, where(locale: :en)
  scope :russian, where(locale: :ru)

  embedded_in :content_help_item
end

rec_en = Content::HelpItem.records.find_by_locale 'en'

NoMethodError: undefined method `records' for Content::HelpItem:Class
        from /home/johnbat26/.rvm/gems/ruby-1.9.3-p327@webex/gems/attr_encrypted-1.2.1/lib/attr_encrypted.rb:241:in `method_missing'
        from (irb):1
        from /home/johnbat26/.rvm/gems/ruby-1.9.3-p327@webex/gems/railties-3.2.9/lib/rails/commands/console.rb:47:in `start'
        from /home/johnbat26/.rvm/gems/ruby-1.9.3-p327@webex/gems/railties-3.2.9/lib/rails/commands/console.rb:8:in `start'
        from /home/johnbat26/.rvm/gems/ruby-1.9.3-p327@webex/gems/railties-3.2.9/lib/rails/commands.rb:41:in `<top (required)>'
        from script/rails:6:in `require'
        from script/rails:6:in `<main>