Hi Brad,
i would register a 'post_save' signal
(https://docs.djangoproject.com/en/dev/ref/signals/#post-save) on the first
model and then, just hit the save method on the Application model, this
will automaticly update the time.
Cheers,
Marc
Am Mittwoch, 30. Juli 2014 03:26:21 UTC+2 schrieb Brad Rice:
>
> I have three tables. The first one is application which has a flag for if
> an app has been submitted as well as created date and modified date. The
> other two tables relate to the application table. I have two forms that get
> update those tables. What I want to do is update the application modified
> date from the save on the other forms.
>
> I have this in the Application model
> modified = models.DateTimeField(auto_now_add=True)
>
> but since it is the other tables I am saving to, I'm not sure how to
> update that field whenever the other two tables update.
>
> My view for one of the forms looks like this:
>
> class AnswersUpdate(UpdateView):
> model = Answers
> form_class = AnswersForm
> slug_field = 'created_by'
> template_name = 'requestform/applicant_form.html'
>
> @method_decorator(login_required(login_url='/accounts/login/'))
> def dispatch(self, *args, **kwargs):
> return super(AnswersUpdate, self).dispatch(*args, **kwargs)
>
> def get_object(self, queryset=None):
> return Answers.objects.get(created_by=self.request.user)
>
> def form_valid(self, form):
> obj = form.save(commit=False)
> obj.created_by = self.request.user
> obj.save()
> a = Application.objects.get(created_by=self.request.user)
> ## how do I save to the Application here?
> return HttpResponseRedirect(reverse('requestform:app_check',
> kwargs={'app_id': obj.id}))
>
> Any help would be appreciated.
>
>
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