class Transition(Named, TimeTrackable, WithConcurrentGetOrCreate): slug = models.SlugField(max_length=100, unique=True, blank=False) from_status = models.PositiveSmallIntegerField( verbose_name=_("from"), choices=AssetStatus(), null=True, blank=True, ) to_status = models.PositiveSmallIntegerField( verbose_name=_("to"), choices=AssetStatus(), ) actions = models.ManyToManyField(Action) required_report = models.BooleanField(default=False) @property def actions_names(self, *args, **kwargs): return [action.name for action in self.actions.all()]