I think I must have fallen through the cracks of "nobody will ever
want to do *this*" when building this app. Given the following two
models (simplified for clarity):
class Order(models.Model):
total = models.DecimalField(...)
def save(self):
tmp_total = Decimal()
for item in self.items.all():
tmp_total += item.price
self.total = tmp_total
super(Order, self).save()
class Item(models.Model):
order = models.ForeignKey(Order, related_name='items')
price = models.DecimalField(...)
def save(self):
super(Item, self).save()
self.order.save()
I try to do something like this:
order = Order()
order.save()
order.items.create(price=Decimal("5.00"))
order.total #gives me 0
order.save()
order.total #gives me the correct order.total
My guess is that even though I've saved the item before calling
order.save(), the order objects still doesn't know that the new item
is related to it. Anybody know if this is expected behavior?
Thanks,
Don
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