Application Controller

application_controller.rb

#The assumption here is a one-to-one mapping between controllers and models
class ApplicationController < ActionController::Base
  protect_from_forgery
  protected
  def db_check
    model = self.class.to_s.gsub("Controller", '').singularize
    Uploader.csv_loader(model) if eval(model).all.empty?
  end
end