tanks for this, it was helpfull
On Thu, 13 May 2021 at 15:31, Ryan Nowakowski <[email protected]> wrote: > It's likely that your instance of OrderItem has a product field that's > null. > > On May 12, 2021 3:50:42 AM CDT, Peter Kirieny <[email protected]> > wrote: > >can somebody help with this please, am building an ecommerce web and > >when i > >want to view my cart i get this error > >AttributeError: 'NoneType' object has no attribute 'price' > > > >here is my models.py > >class OrderItem(models.Model): > > > >product = models.ForeignKey(Product, on_delete=models.SET_NULL, > >null=True) > > order = models.ForeignKey(Order, on_delete=models.SET_NULL, null=True) > > quantity = models.IntegerField(default=0, null=True, blank=True) > > date_added = models.DateTimeField(auto_now_add=True) > > > > @property > > def get_total(self): > > total = self.product.price * self.quantity > > return total > > > > > > > >AttributeError at /cart/ > > > >'NoneType' object has no attribute 'price' > > > >Request Method: GET > >Request URL: http://127.0.0.1:8000/cart/ > >Django Version: 3.2 > >Exception Type: AttributeError > >Exception Value: > > > >'NoneType' object has no attribute 'price' > > > >Exception Location: > >C:\Users\Admin\PycharmProject\MyProject\Ecommerce\shop\models.py, line > >71, > >in get_total > >Python Executable: > >C:\Users\Admin\PycharmProject\MyProject\venv\Scripts\python.exe > >Python Version: 3.8.2 > >Python Path: > > > >['C:\\Users\\Admin\\PycharmProject\\MyProject\\Ecommerce', > > >'C:\\Users\\Admin\\AppData\\Local\\Programs\\Python\\Python38\\python38.zip', > > 'C:\\Users\\Admin\\AppData\\Local\\Programs\\Python\\Python38\\DLLs', > > 'C:\\Users\\Admin\\AppData\\Local\\Programs\\Python\\Python38\\lib', > > 'C:\\Users\\Admin\\AppData\\Local\\Programs\\Python\\Python38', > > 'C:\\Users\\Admin\\PycharmProject\\MyProject\\venv', > >'C:\\Users\\Admin\\PycharmProject\\MyProject\\venv\\lib\\site-packages'] > > > >Server time: Wed, 12 May 2021 08:44:09 +0000 > > -- > 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 view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/FDF6B1C2-9134-43D2-8057-EA3BCF14C2A1%40fattuba.com > . > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAL8t8eoTHsQh2Lu6oVWdF8sZvoBgTMTrEY4KFU__eepU0QP1uw%40mail.gmail.com.
