On Feb 8, 3:38 am, Eric Abrahamsen <gir...@gmail.com> wrote: [CUT] > Now that you've got a date attribute, why not use that for next and > previous? 1. Date based next and prev go throught the whole photo set, but I prefer next and prev to provide only items inside a gallery. But I guess that's just me unable to pass an extra parameter to the generic view.
2. I'm learning: I wanted to test an other way to get this navigation links, coding some custom methods. > If you don't want to do that, you still might consider returning a > real object instance, Yes this should be better, it could be more userfull if I had to generate a PDF or some other kind of output. > and then giving the model a get_absolute_url() > method and calling that in the template. That will save you hardcoding > the links in the template. - http://docs.djangoproject.com/en/dev/ref/models/instances/#get-absolute-url Thanks for the advice: this will make deployment and refactoring easier. > > But if it's just an id you want, the following might be more efficient: > > def get_next(self): > all_ids = Foto.objects.filter(galleria = self.galleria, > id__gt=self.id).values_list("id",flat=True).order_by("id") > try: > return min(all_ids) > except ValueError: > return None > > Then reverse that (id__lt=self.id and use the max python function) for > get_prev() > > Hope that's helpful, > Eric Oh yes thanks a lot, code examples are really useful to me as I'm not yet very familiar with of all this 'snaky' dotted object syntax / traversing; I'll get into the django shell and play a bit with this. Thanks for all this suggestions. -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
