Correct route for a singular nested resource

Question

I have 2 resources, one being a nested resource of another: `parent_resource` and `child_resource`. This gives me the following routes: ``` somesite.com/parent_resources/14 somesite.com/parent_resources/14/child_resources/1 ``` However there is only ever going to be a single `child_resource` for each `parent_resource`, so to someone using the site this is very confusing. I would like the child_resource paths to look like this: ``` somesite.com/parent_resource/14/child_resource somesite.com/parent_resource/14/child_resource/edit etc ``` What is the correct way to do this? My routes.rb ``` resources :parent_resources do resource :child_resource do end end ``` From the rails guide to routing: ``` A singular resourceful route generates these helpers: new_geocoder_path returns /geocoder/new edit_geocoder_path returns /geocoder/edit geocoder_path returns /geocoder ``` But what about show? My routes generated by rake routes: ``` parent_resource_child_resource POST /parent_resources/:parent_r…

Accepted Answer

In your routes, define the child resource using the singular `resource` method:

```
resources :parent_resources do
  resource :child_resource
end
```

By convention, the controller for the child will still be ChildResourcesController, plural.

Rails has a pretty good guide to routing. See the section on singular resources.

Correct route for a singular nested resource

Solution

Problem