On Feb 11, 11:23 pm, iliveinapark <iliveinap...@brentonannan.com>
wrote:
> Gday all,
>
> I'm trying to find a way to have changes made to a model object
> require approval before becoming the live data on my site. I had
> thought about cloning the object, and having the clone stored as a
> draft, but making it live would require either swapping all the data
> from the draft to the original object, or changing all references to
> the original to reference the draft instead.
>
> Does anyone have any ideas on a nice way to do this
class MyModel(models.Model):
# unversionned fields lives here
def published_revision(self):
try:
return self.revisions.published()[0]
except IndexError:
return None
class MyModelRevisionManager(models.Manager):
use_for_related_fields = True
def published(self):
return self.filter(published=True)
class MyModelRevision(models.Model):
mymodel = models.ForeignKey(MyModel, related_name="revisions")
published = models.BooleanField(...)
# all versionned fields here
class Meta:
unique_together = (('MyModel', 'published'),)
HTH
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