mongoid dm.rb

class Match
  include Mongoid::Document
  include Mongoid::Timestamps # adds created_at and updated_at fields

  field :scheduled_start, :type => Date
  field :status
  embeds_one :home_team
  embeds_one :away_team
end

class Team
  include Mongoid::Document
  
  field :shortName
  field :name
end

class HomeTeam < Team
  embedded_in :match, :inverse_of => 'home_team'
end

class AwayTeam < Team
  embedded_in :match, :inverse_of => 'away_team'
end