Hi everyone!
I've been using rails for a while (since rails 2) but never had the
opportunity to contribute. I'd like to take this opportunity to thank all
contributors to Rails :)
Anyway, I'm running into some issue with to_param. Consider the case where
you have a resource that you'd like to route using identifiers that are
*not* the :id. Currently, the recommended way to achieve that is by
overriding the #to_param method on the model. I think that's questionable
design.
Let's consider a simple example : you want to expose the same resource at
two different routes. For instance, on a blog, you'd want to route articles
using a slug for SEO on public URLs, and using an id on the admin interface
because you use like to use ids internally.
/articles/2019-05-my-breaking-news
/admin/articles/12
Problem : there's no easy solution to achieve this, because overriding
to_param is global.
Suggested solution : that's actually a routing topic, so it should be solve
in the routing. I suggest leveraging the "param" routing option to do this,
and leave the Models alone :)
routes.draw do
resources :articles, param: :slug
namespace :admin do
resources :articles
end
end
Currently, this changes the name of the parameter used in the route. That's
a good start. But it has *no* impact on the named route helpers.
Namely, url_for(@article) will still use the :id, even though ":slug" has
been specified.
I suggest to also change the named route helpers to call
"@article.#{param}" if a routing param has been specified.
I hope this suggestion makes sense, just let me know :-)
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