gistfile1.rb

# a Delta indexing handler for Thinking Sphinx. By default TS rebuilds
# the delta index within the users request cycle. This is *bad* for
# speed reasons.
#
# Using this handler causes the delta indexes to be rebuilt via the
# async queue.
#
class RudeqDelta < ThinkingSphinx::Deltas::DefaultDelta
  def index(model, instance = nil)
    return true unless ThinkingSphinx.updates_enabled? && ThinkingSphinx.deltas_enabled?
    return true if instance && !toggled(instance)

    # first rebuild the delta index
    RudeQueue.general_unless_dupe(:sphinx_delta, :index => delta_index_name(model))

    # then remove the changed instance from the core index if necessary
    if instance
      RudeQueue.general_unless_dupe(:sphinx_flag_deleted, :index => core_index_name(model),
                                                          :doc_id => instance.sphinx_document_id)
    end

    true
  end
end