[Rails] Re: polymorphic_url

Oh, I figured this one out. Reason why the else doesn't pop the last
element is because the last element is the object passed to form_for
that has been persisted, and that element is needed in the array for
the id value when we invoke send on the dynamic route generated.

On Sep 3, 2:57 pm, John Merlino <stoici...@aol.com> wrote:
> In polymorphic_routes.rb, polymorphic_url is defined in rails source
> from github,and this particular line:
>
>    inflection = if options[:action] && options[:action].to_s == "new"
>           args.pop
>           :singular
>         elsif (record.respond_to?(:persisted?) && !record.persisted?)
>           args.pop
>           :plural
>         elsif record.is_a?(Class)
>           args.pop
>           :plural
>         else
>           :singular
>         end
>
> what's the purpose of extracting last element of array here? At this
> point args will either be an array of activerecord objects, or just be
> a single activerecord object in an array.

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.