Teste

models.py

from django.contrib.auth.models import User
from django.db import models


# Model cadastro de produto

class Advertisement(models.Model):
    title = models.CharField(max_length=100)
    address = models.CharField(max_length=100)
    complement = models.CharField(max_length=100)
    number = models.CharField(max_length=5)
    zip_code = models.CharField(max_length=9)
    value = models.CharField(max_length=8)
    description = models.TextField()
    image = models.ImageField(upload_to='media/%Y/%m/%d/', default='', verbose_name='Imagem')
    created_at = models.DateTimeField('Created on: ', auto_now_add=True)
    update_at = models.DateTimeField('Update on: ', auto_now=True)
    created_by = models.ForeignKey(User, null=True, default=None)

    def __str__(self):
        return self.title

view.py

from django.shortcuts import render
from django.http import HttpResponse
from django.contrib.auth.decorators import login_required
from advertisement.forms import AdvertisementForm
from catalog.models import Product
from .models import Advertisement

# view cadastro de produto
def registerAdvertisement(request):
    template_name = 'product/registration.html'
    form = AdvertisementForm()
    message = "Registered sucessfully!"
    if request.method == "POST":
        form = AdvertisementForm(request.POST, request.FILES)
        if form.is_valid():
            advertisement = form.save(commit=False)
            
            advertisement.created_by = request.user
            advertisement.save()
            return HttpResponse(
                'Registered sucessfully!'
                '<br>'
                '<a href="/home" class="btn btn-success"> Back</a>'
            )
    context = {'form': form}
    return render(request, template_name, context)