Navigation builder

ApplicationHelper.rb

module ApplicationHelper  
  def build_navigation(ls=nil)
    ls ||= links
    res = ""
    ls.each do |link|
      if controller.controller_name == link[:url][:controller] && controller.action_name == link[:url][:action]
        link[:html_options].merge!({ :class => "#{link[:html_options][:class]} current" } )
      end
      
      res << "<li class=\"#{link[:html_options][:class]}\">"
      res << link_to(link[:text], link[:url])
      res << "</li>"
    end
    
    res.html_safe
  end
  
  def links
    [{:text => "Most Recent", :url => hash_for_root_path, :html_options => { :class => "mostRecent" } },
     {:text => "All", :url => hash_for_stories_path, :html_options => { :class => "all" }}, 
     {:text => "About", :url => hash_for_about_path, :html_options => { :class => "about" }},
     {:text => "Contact", :url => hash_for_new_contact_path, :html_options => { :class => "contact" }}]
  end
end