restful routes rename :id

I have this routes

resources :posts, :controller => 'frontend/posts' do
 resources :photos, :controller => 'frontend/posts'

So frontend/posts_controller handles these requests:


Somtimes the :id means the photo id and in some cases the post id. I want that post always uses :post_id . Is it possible to rename :id in :post_id without adding custom(match ...) routes?



You should just write your finders to handle both cases. It's easier than messing around with parameter names:

@post = Post.find(params[:post_id] || params[:id])

That being said, I agree that it's annoying that the :id parameter changes names depending on the depth of the resource call.

The presence of :post_id is what will differentiate between the two routes. Personally, unless I have a compelling reason to depart from convention, I try to avoid it.

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