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 singular 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 167
        def _default_wrap_model
          return nil if klass.anonymous?
          model_name = klass.name.delete_suffix("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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