method

_default_wrap_model

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What's this?

_default_wrap_model() private

Determine the wrapper model from the controller’s name. By convention, this could be done by trying to find the defined model that has the same singularize name as the controller. For example, UsersController will try to find if the User model exists.

This method also does namespace lookup. Foo::Bar::UsersController will try to find Foo::Bar::User, Foo::User and finally User.

Show source

# File actionpack/lib/action_controller/metal/params_wrapper.rb, line 140
      def _default_wrap_model #:nodoc:
        return nil if klass.anonymous?
        model_name = klass.name.sub(/Controller$/, '').classify

        begin
          if model_klass = model_name.safe_constantize
            model_klass
          else
            namespaces = model_name.split("::")
            namespaces.delete_at(-2)
            break if namespaces.last == model_name
            model_name = namespaces.join("::")
          end
        end until model_klass

        model_klass
      end

_default_wrap_model

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