def association_with_root_model(method_name)
      persistor = self.persistor || (respond_to?(:save_to) && save_to && save_to.persistor)

      # Check if we are on the store collection
      if persistor.is_a?(Volt::Persistors::ModelStore) ||
         persistor.is_a?(Volt::Persistors::Page)
        # Get the root node
        root = persistor.try(:root_model)

        # Yield to the block passing in the root node
        yield(root)
      else
        # raise an error about the method not being supported on this collection
        fail "#{method_name} currently only works on the store and page collection (support for other collections coming soon)"
      end
    end
def association_with_root_model(method_name)
      persistor = self.persistor || (respond_to?(:save_to) && save_to && save_to.persistor)

      # Check if we are on the store collection
      if persistor.is_a?(Volt::Persistors::ModelStore) ||
         persistor.is_a?(Volt::Persistors::Page)
        # Get the root node
        root = persistor.try(:root_model)

        # Yield to the block passing in the root node
        yield(root)
      else
        # raise an error about the method not being supported on this collection
        fail "#{method_name} currently only works on the store and page collection (support for other collections coming soon)"
      end
    end
Currently the has_many and belongs_to associations only work on the store collection,
 this method checks to make sure we are on store and returns the root reference to it.