I have a design question where I would appreciate a thoughtful
response.

Let's say you have a simple application (for example's sake) that has
a User, Company and Theme model. A Company `has_one` Theme and
`has_many` Users.

Administrators (a User) can fully manage Companies and Themes - the
whole REST stack, in addition to a few other actions too.
Administrators are expected to do things to Companies and themes that
other user roles cannot do.

We also have a Company role. This role can edit their own Company, as
well as select a Theme from the ones the admin-user added as nice
defaults, or they can just make their own theme.

Now, here we have some non-trivial design choices, and I would like to
know what the best-practice is.

**PART 1**

In Rails, it makes sense to have
`resources :users, :companies, :themes` for the administrators and
probably `resource :company, :theme, :users` for the Company users.

But of course, we run into some naming conflicts here - both singular
and plural - so we might want to try something like
`resource :my_company, :my_theme, :my_users` to separate them? Or is
there a better solution?

Furthermore, a theme is just a component of a company, so maybe we
want to nest them?

    :resource :my_company do
      :resource :theme
      :resources :users
    end

This works okay, but it could be confusing as to which UsersController
we are referring to... no? This is really sticky and I would love to
know how to deal with this. Do you have 1 controller, or 2? What do
you name them?

But then I look at the url, and it's kind of silly:

    http://myapp.com/my_company/my_theme/edit

I guess it could be worse.

Company users also might want the list of themes via ajax, so is it
correct for them to call:

    http://myapp.com/themes.json

?

Is this how to approach this situation, or is there a better way?

**PART 2**

Also, what should your directory structure look? Should you have
controllers separated by user role?

    /app/controllers/admin/companies_controller.rb
    /app/controllers/admin/themes_controller.rb
    /app/controllers/admin/users_controller.rb
    /app/controllers/company/my_company_controller.rb
    /app/controllers/company/theme_controller.rb
    /app/controllers/company/users_controller.rb

Or is there better ways to handle this?

I would really appreciate a thoughtful response on this. Thanks!

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