class Answer
  include Mongoid::Document
  include Mongoid::Timestamps

  field :au # answerer
  field :uiq # user in question, current shard key
  field :qt # question template
  field :res, :type => Integer # answer code

  field :ncmt, :type => Integer # number of comments

  references_many :comments # comments are not embedded (but probably they should be)
end


class Comment
  include Mongoid::Document
  include Mongoid::Timestamps

  field :text
  field :is_new, :type => Integer, :default => 1

  referenced_in :answer
  field :vk_user # comment poster
end