class BaseManager(models.Manager):
    def get_queryset(self):
        qs = super(BaseManager, self).get_queryset()
        return qs.filter(disabled=False)


class BaseModel(models.Model):
    objects = BaseManager()
    default_objects = models.Manager()

    class Meta:
        abstract = True
        default_manager_name = 'default_objects'

    def delete(self, **kwargs):
        self.disabled = True
        self.save()


class Snippet(BaseModel):
    created = models.DateTimeField(auto_now_add=True)
    title = models.CharField(max_length=100, blank=True, default='')
    code = models.TextField()
    disabled = models.BooleanField(default=False)
    linenos = models.BooleanField(default=False)
    language = models.CharField(choices=LANGUAGE_CHOICES, default='python', max_length=100)
    style = models.CharField(choices=STYLE_CHOICES, default='friendly', max_length=100)

    class Meta:
        ordering = ('created',)