tire:import CLASS=User

class User
  include Mongoid::Document

  include Tire::Model::Search
  include Tire::Model::Callbacks

  tire do
    mapping do
      indexes :nickname

      indexes :watchlists do
        indexes :description
        indexes :html_url
        indexes :tags
      end
    end
  end

  def to_indexed_json
    {
      :nickname => nickname,
      :watchlists => watchlists.map { |c| { :_type => 'mongoid_watchlist',
                                            :_id => c.id,
                                            :description => c.description,
                                            :html_url => c.html_url,
                                            :tags => c.tags } }
    }.to_json
  end

  field :nickname
  embeds_many :watchlists
end

class Watchlist
  include Mongoid::Document

  field :description
  field :html_url
  field :tags

  embedded_in :user
end

RAILS_ENV=production rake environment tire:import CLASS=User FORCE=true