Ruby on Rails

Lille wrote:
> Hi,
>
> In the course of integrating an authentication module (Authlogic) into
> my Rails app, I've developed the following priority:
>
> 'If the current user makes a url request for which they are
> ineligible, return the user to the page from which they made their
> invalid request.'
>
> One way to get at this is with the following two methods in the
> application_controller:
>
> def store_location
> session[:return_to] = request.request_uri
> end
>
> def redirect_back_or_default(default)
> redirect_to(session[:return_to] || default)
> session[:return_to] = nil
> end
>
> But if I wanted to guarantee that the user was redirected back to any
> action from which they made an ineligible request, I would need to
> call store_location for every such controller action, which is crazy.

Not crazy at all. Just put it in a before_filter.
>
> Is there no inexpensive way that Rails will remember every last
> request (without resort to session)?

Putting it in the session is pretty inexpensive, and probably the right
thing to do.
>
> My hope would be for something like:
>
> redirect_to :back
>
> But this is a no-go...

Why?

>
> Lille

-- 
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org

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