On Apr 23, 3:27 pm, Jim N <jim.nach...@gmail.com> wrote:
> Hi,
>
> I have overridden the default save() on a model so that I can update
> some counts every time a save occurs. Unfortunately, I don't want to
> perform these actions every time the model is updated, which seems to
> happen.
>
> Is there another approach I can take that distinguishes between save
> and update?
>
> class Answer(models.Model):
> answer = models.TextField()
> user = models.ForeignKey(User, null=True)
> submit_date = models.DateTimeField('Date Submitted',
> default=datetime.datetime.now)
> question = models.ForeignKey(Question)
> permalink = models.CharField(max_length=300, blank=True)
>
> def save(self, *args, **kwargs):
> super(Answer, self).save(*args, **kwargs) # Call the "real"
> save() method.
> if(self.user):
> quser = self.user.get_profile()
> quser.increment_answers() # <-- I don't want to do this
> on an update.
> self.question.increment_responses() # <-- I don't want to
> do this either.
>
> Or in more readable form:http://dpaste.de/I2IR/
>
Before you call super you can see if bool(self.pk) is True or False.
It will be False before the first save.
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