Carlos Santana wrote:
> I am using nested resources as follows:
> map.resources :topics do |topics|
> topics.resources :items do |items|
> items.resources :attachments
> end
> end
>
> When I generate a RESTful path for new item in the console:
> app.new_topic_item_path(2) then I get correct path as
> '/topics/2/items/new'.
>
> However, for the new attachment I am getting error:
> app.new_topic_item_attachment_path(22) gives -
> ActionController::RoutingError: new_topic_item_attachment_url failed to
> generate from {:action=>"new", :controller=>"attachments",
> :topic_id=>22}, expected: {:controller=>"attachments", :action=>"new"},
> diff: {:topic_id=>22}
>
> from
> /usr/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/routing/route_set.rb:375:in
> `raise_named_route_error'
> from
> /usr/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/routing/route_set.rb:339:in
> `generate'
> from
> /usr/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/url_rewriter.rb:131:in
> `rewrite_path'
> from
> /usr/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/url_rewriter.rb:110:in
> `rewrite_url'
> from
> /usr/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/url_rewriter.rb:88:in
> `rewrite'
> from
> /usr/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/integration.rb:218:in
> `url_for'
> from (eval):17:in `new_topic_item_attachment_path'
> from (irb):5.
>
> - - - - -
>
> Why is it failing and how to fix this?
> And, why is it generating '{:action=>"new", :controller=>"attachments",
> :topic_id=>22}' ? Shouldn't it pass item_id rather than topic_id?
>
> Any clues?
>
> -
> Thanks,
> CS.
Figured it out:
I did new_topic_item_attachment_path and got an error:
''ActionController::RoutingError: new_agenda_item_attachment_url failed
to generate from {:action=>"new", :controller=>"attachments"} - you may
have ambiguous routes, or you may need to supply additional parameters
for this route. content_url has the following required parameters:
["agendas", :agenda_id, "items", :item_id, "attachments", "new"] - are
they all satisfied?''
So I need to pass both topic and item id. But isn't item associated with
the topic resource? Why do I need to pass both ids?
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