orbit-basic/lib/reroute_middleware.rb

class RerouteMiddleware
  
  def initialize(app)
    @app = app
  end

  def call(env)
  
    #Rails.logger.debug env.to_yaml
    return @app.call(env) if env['REQUEST_URI'] =~ /^\/admin/
      
    env['REQUEST_URI'] =~ /^\/([0-9a-zA-Z\-_\/]*)/
    parsed_entry_name = $1
   
    entry = Item.first(:conditions => {:full_name => parsed_entry_name} )
    if entry
      case entry.type.to_s
        when 'Component'
        env['REQUEST_URI'] = env['REQUEST_URI'].sub!(parsed_entry_name, entry.engine_name)
        env['QUERY_STRING'] = (env['QUERY_STRING'].blank?)? "entry_name=#{parsed_entry_name}" : "entry_name=#{parsed_entry_name}&#{env['QUERY_STRING']}"
        when 'Link'
          return [301, {'Location' => entry.url }, ['See Ya!']]
      end
    end
    
    @app.call(env)
  end
  
end