def METHOD_NAME(self, **kwargs):
    """Save album and send appropriate notifications."""
    # dirname is only set for new objects, to avoid ever changing it
    if self.pk is None:
        self.dirname = self.slug
    if not self.title and self.event:
        self.title = self.event.title
    if not self.date:
        self.date = self.event.start.date()
    super().METHOD_NAME(**kwargs)