CouchRest::Database.class_eval do

  alias :delete_orig! :delete!
  def delete!
    clear_model_fresh_cache
    delete_orig!
  end

  # If the database is deleted, ensure that the design docs will be refreshed.
  def clear_model_fresh_cache
    ::CouchRest::Model::Base.subclasses.each{|klass| klass.req_design_doc_refresh if klass.respond_to?(:req_design_doc_refresh)}
  end

end