method

save_belongs_to_association

v2.3.8 - Show latest stable - Class: ActiveRecord::AutosaveAssociation

save_belongs_to_association(reflection)

private

Saves the associated record if it’s new or :autosave is enabled on the association.

In addition, it will destroy the association if it was marked for destruction with mark_for_destruction.

This all happens inside a transaction, if the Transactions module is included into ActiveRecord::Base after the AutosaveAssociation module, which it does by default.

# File activerecord/lib/active_record/autosave_association.rb, line 372
    def save_belongs_to_association(reflection)
      if (association = association_instance_get(reflection.name)) && !association.destroyed?
        autosave = reflection.options[:autosave]

        if autosave && association.marked_for_destruction?
          association.destroy
        elsif autosave != false
          saved = association.save(!autosave) if association.new_record? || autosave

          if association.updated?
            association_id = association.send(reflection.options[:primary_key] || :id)
            self[reflection.primary_key_name] = association_id
            # TODO: Removing this code doesn't seem to matterâ¦
            if reflection.options[:polymorphic]
              self[reflection.options[:foreign_type]] = association.class.base_class.name.to_s
            end
          end

          saved if autosave
        end
      end
    end

save_belongs_to_association

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