Question

This might be a slightly odd question, but I was wondering if anyone know a Rails shortcut/system variable or something which would allow me to keep track of which controller is serving a page and which model is called by that controller. Obviously I am building the app so I know, but I wanted to make a more general plugin that would able to get this data retroactively without manually going through it.

Is there any simple shortcut for this?

Answer 1

The controller and action are defined in params as params[:controller] and params[:action] but there is no placeholder for “the model” as a controller method may create many instances of models.

You may want to create some kind of helper method to assist if you want:

def request_controller
  params[:controller]
end

def request_action
  params[:action]
end

def request_model
  @request_model
end

def request_model=(value)
  @request_model = value
end

You would have to explicitly set the model when you load it when servicing a request:

@user = User.find(params[:id])

self.request_model = @user