class User

  COMMA = "','" # oh yeah, I went there.
  has_many :active_campaigns,
    :class_name => "Campaign",
    :include => { :client => :authorized_roles },
    :conditions => ["roles.context_type='User' AND clients.id IN (?)", '#{client_ids.join(COMMA)}'],
    :foreign_key => "id IS NOT NULL AND roles.context_id",
    :source => :authorized

end