def add_form_activity(model_object: ActivityMixin, pk: int | bool, user: User) -> None:
verb = (
'created'
if pk else 'updated'
)
information = (
f'{user.get_full_name()} {verb} '
f'{model_object._meta.verbose_name} "{model_object}".'
)
model_object.add_activity(
user=user,
verb=verb,
information=information
)