Rails - Oct 2007 - "fallback" routes

Hello list!

Is there a way to have a "fallback" route? Like if I have one
:cat,:album,:item connected to AlbumsController.show, let''s say the
:cat,
:album or :item were invalid so other route would try to handle it.

The logic would be like this:

- Check if there''s an album/cat/item if not;
- Check if there''s an section/subsection/subsubsection
- and so on

Of course I could add a string prefix to the route to make it unique like
this: /pages/:section/* but it wouldn''t be as clean as :section/*.

(Note:  I''m not sure on how to handle unlimited arguments in the route
in
the case of the subsections example, I just put * as an way to tell that
there might be a unknown number of subsections, so if someone could also
enlighten-me on this one, I would be grateful!)

Thanks,

Marcelo.

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> Is there a way to have a "fallback" route? Like if I have one
> :cat,:album,:item connected to AlbumsController.show, let''s say
the :cat,
> :album or :item were invalid so other route would try to handle it.
>
> The logic would be like this:
>
> - Check if there''s an album/cat/item if not;
> - Check if there''s an section/subsection/subsubsection
> - and so on
>
> Of course I could add a string prefix to the route to make it unique like
> this: /pages/:section/* but it wouldn''t be as clean as :section/*.
>
> (Note:  I''m not sure on how to handle unlimited arguments in the
route in
> the case of the subsections example, I just put * as an way to tell that
> there might be a unknown number of subsections, so if someone could also
> enlighten-me on this one, I would be grateful!)
   #
   # Catchall to handle redirects for old site urls
   #
   map.connect "*args", :controller => "url_mapper",
:action => "index"

Then in your method look at:  params[:args] to get an array of all the 
args (array is built by splitting on /)

-philip

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