In Ruby on Rails, when in the View, can you dump out the files and line numbers before reaching View?

Question

The first layer is routing and the second layer the controller, so when in View, is there a way to dump out the path or filenames and line numbers of route and controller before reaching view?

I wanted to do this because www.example.com/stories/12345 is showing a page, but stories_controller.rb doesn't have a def index or def show

Update: I guess it might be as if the program has an error, in which case it will show an application trace and a rails trace.

Answer 1

Well actually there is no other alternative than using a index or show and it has to be defined inside the class StoriesController. But it does not mean that those methods are defined inside the file "stories_controller.rb".

There are a few options:

• they are defined in the ApplicationController from which it derives. Or there is another parent-class.
• for instance, when you use ActiveScaffold your controller contains a single line active_scaffold that adds all the standard CRUD actions (index, show, ...)

To see where a method is defined, you could type inside your script/console session

StoriesController.new.method('index')

and it would return a set of classes/modules, as explained here.

For instance, in our ApplicationController we include a module that defines a method login_required, and that looks like this:

>> ApplicationController.new.method(:login_required)
=> #<Method: ApplicationController(PilgrimBase::Base::Authenticated)#login_required>

Hope this helps.

Answer 2

I know this doesnt really answer your question, but ... you can see your routes by doing

rake routes

do you have show.html.erb in your app/views/stories/ ?