Instead of self.id you should use self itself as using self.id will not work.
On Mon, Jul 7, 2014 at 4:17 PM, <[email protected]> wrote: > There are tables Product and Transaction. In Product admin there is a > field that shows how many transactions have been created with this product. > > Now, I want to filter the period of time in which these transactions were > created. For example, there was 30 transactions in the last week, but 100 > in the last month. > > class Transaction(models.Model): > created = models.DateTimeField() > product = models.ForeignKey('Product') > class Product(models.Model): > name = models.CharField() > > def num_of_trans(self): > return > Transaction.objects.filter(created="""DATE_VALUE_HERE""").filter(product=self.id).count() > > I tried to adjust the queryset in a class that extends SimpleListFilter, > however I did not manage to make it work. > > Another thing I thought of was to add an additional parameter to > num_of_trans function, but it seems there is not way to pass this > parameter while using the filter. > > I would appreciate any tips. > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/c1612d89-d28b-4c82-b17d-703c43cc581d%40googlegroups.com > <https://groups.google.com/d/msgid/django-users/c1612d89-d28b-4c82-b17d-703c43cc581d%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAOdEGu3rA6vM2XJvci9Li-0p%2BVvF8h7WJ9gNvV%2BBfibCovyFXQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
