module InheritedResources::ShallowHelpers

def load_parents(instance, parent_symbols)
  parent_symbols.reverse.each do |parent|
    instance = instance.send(parent)
    params[resources_configuration[parent][:param]] = instance.to_param
  end
end

def symbols_for_association_chain #:nodoc:
  parent_symbols = parents_symbols.dup
  if parents_symbols.size > 1 && !params[:id]
    inst_class_name = parent_symbols.pop
    finder_method = resources_configuration[inst_class_name][:finder] || :find
    instance = resources_configuration[inst_class_name][:parent_class].send(finder_method, params[resources_configuration[inst_class_name][:param]])
    load_parents(instance, parent_symbols)
  end
  if params[:id]
    finder_method = resources_configuration[:self][:finder] || :find
    instance = self.resource_class.send(finder_method, params[:id])
    load_parents(instance, parent_symbols)
  end
  parents_symbols
end