nhmtr3.rb

  # This is until there is a nested_has_many_through solution for Rails 3
  # to let us do something like:
  #
  # has_many :interests, :through => :users, :select => "DISTINCT tags.*",
  #                      :class_name => "ActsAsTaggableOn::Tag"
  def interests
    ActsAsTaggableOn::Tag.
      select("DISTINCT tags.*").joins(:taggings).
      where("taggings.context"       => "interests").
      where("taggings.taggable_type" => "User").
      where("taggings.taggable_id"   => user_ids).
      order("tags.name")
  end