Hi,
I'm sorry if this question has been posted before, but I can't seem to
find the correct answer to my problem.
I'm trying to list product categories but I'd like to show only those
that have products associated with them. Some of them are empty and
should not be listed. I have something like this:
class Category(models.Model):
name = models.CharField()
(...)
class Product(models.Model):
name = models.CharField()
categories = models.ManyToManyField(Category)
(...)
And in my views.py file:
def products(request):
category_list = Category.objects.all()
(...)
The problem is that it will list ALL categories, whereas I only want
it to show a list of categories with products associated with it. I've
tried many combinations of .filter() and .exclude() but with no
success.
Can someone please point me in the right direction?
Thank you,
Frederico
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