It sounds like you want to be using nested resources. Try something
like this

map.resources :papas, :has_many => [:sons, :daughters]

For more info read...

http://api.rubyonrails.org/classes/ActionController/Resources.html

On Oct 1, 10:35 pm, Greg DeVore <[EMAIL PROTECTED]> wrote:
> Ian-
> I don't know how you would do that in the way you are describing.  One  
> possibility though would be to do this:
>
> map.resources :sons, :controller => "papas"
> map.resources :daughters, :controller => "papas"
>
> This will point both routes to the papas controller.  You won't see  
> "sons" or "daughters" come through as params.  But you can query  
> request.env['REQUEST_URI'] and you would get back something like '/
> sons/new/'.
>
> So:
> 1. request.env['REQUEST_URI'].split("/") will give you an array  
> ["","sons","new"]
> 2. access [1] of the array and you will have your parameter.
>
> A little convoluted but I think that it would do what you want.
>
> Greg
>
> On Oct 1, 2008, at 6:12 PM, Ian Smith-Heisters wrote:
>
>
>
> > Sure. You have it basically right, but let me elaborate.
>
> > I have models like so:
>
> > class Papa < ActiveRecord::Base; abstract_class = true; end
> > class Daughter < Papa; end
> > class Son < Papa; end
>
> > I have this controller:
>
> > class PapaController < ApplicationController
> >  def new; @model = new_model; end
> >  def new_model
> >    params[:type].classify.constantize.new # there's more safety logic
> > here in reality, but this is the gist
> >  end
> > end
>
> > I started with the default route:
>
> >  map.resources :papa
>
> > So, then, I can create a new son by doing GET /papa/new?type=son,
> > which is fine, but not ideal. Ideally, I would do GET /son/new, but it
> > would still use the Papa controller, and set params[:type] to "son".
> > This is what I have right now:
>
> >  map.resources :papa, :path_prefix => '/:type'
>
> > which allows me to GET /son/papa/new, and create links like
> > papa_path(@model.type.to_s.downcase, @model).
>
> > So the question is how to make these specs pass:
>
> >  params_from(:get, "/son/new").should == {:controller => 'papa',
> > :action => 'new', :type => 'son'}
> >  params_from(:get, "/daughter/new").should == {:controller => 'papa',
> > :action => 'new', :type => 'daughter'}
>
> > Is that clearer?
>
> > Thanks,
> > Ian
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