class ActiveTagManager(models.Manager):
def get_query_set(self):
- return super(ActiveTagManager, self).get_query_set().exclude(deleted=False, used_count=0)
+ return super(ActiveTagManager, self).get_query_set().exclude(used_count__lt=1)
class Tag(BaseModel):
# Denormalised data
used_count = models.PositiveIntegerField(default=0)
- deleted = models.BooleanField(default=False)
- deleted_at = models.DateTimeField(null=True, blank=True)
- deleted_by = models.ForeignKey(User, null=True, blank=True, related_name='deleted_%(class)ss')
-
active = ActiveTagManager()
- def mark_deleted(self, user):
- if not self.deleted:
- self.deleted = True
- self.deleted_at = datetime.datetime.now()
- self.deleted_by = user
- self.save()
- return True
- else:
- return False
-
- def unmark_deleted(self):
- if self.deleted:
- self.deleted = False
- self.save()
- return True
- else:
- return False
class Meta:
ordering = ('-used_count', 'name')