class User(AbstractUser):

    mgid_login = models.CharField(max_length=160)
    mgid_password = models.CharField(max_length=160)
    mgid_token = models.CharField(max_length=160, null=True, blank=True)
    mgid_idauth = models.CharField(max_length=160, null=True, blank=True)

    def __str__(self):
        return self.username







class ModelForBlocking(models.Model):
    bind = models.ForeignKey(User, on_delete=models.CASCADE, related_name='extended')
    campaign_id = models.CharField(max_length=20, verbose_name='id рекламной компании', null=True, blank=True)






views.py

def api(request):
    html = 'mgid_api.html'
    form = TrulyForm(request.POST or None)
    if form.is_valid():
        form.save()
        return HttpResponse('saved')
    context = {
        'form' : form,
    }
    return render(request, html, context)


def list_of_conditions(request):
    html = 'list_of_conditions.html'
    user = request.user
    user_query = User.objects.get(username=user)
    extended = user_query.extended.all()
    context = {
        'condition':user_query,
        'extended' : extended,
    }
    return render(request, html, context)


forms.py




class TrulyForm(ModelForm):

    class Meta:
        model = ModelForBlocking

        fields = ['bind',
                'campaign_id',
                ]