The problem is that city name is not unique.
Can I pass the city instance in the overrided AddRestaurantForm's save
method?
thank you
On Nov 27, 5:12 pm, Tim Valenta <tonightslasts...@gmail.com> wrote:
> Try overriding your AddRestaurantForm's "save" method:
>
> def save(self, commit=True):
> self.instance.city = get_object_or_404(City,
> name=self.instance.city)
>
> # Finish by passing control back to the normal Django flow:
> super(AddRestaurantForm, self).save(commit)
>
> I think that'd work. Sometimes 'super' causes recursion errors in
> Django, so if that gives you problems, try calling the method all by
> itself:
>
> # Finish by passing control back tot he normal Django flow:
> forms.ModelForm.save(self, commit)
>
> Tim
>
> On Nov 27, 8:57 am, jul <juj...@gmail.com> wrote:
>
> > Previous post wasn't finished. Wrong key :(
> > Here's the complete one:
>
> > Hi,
>
> > I've got the ModelForm and Model shown below.
> > I'm overriding the 'city' field to get a CharField instead of a City
> > foreign key.
> > When saving the Restaurant instance, it returns ""Restaurant.city"
> > must be a "City" instance".
> > How can I save the Restaurant instance with the City instance got or
> > created before?
>
> > Thanks
>
> > def addRestaurant(request):
>
> > if request.user.is_authenticated():
>
> > if request.method == 'POST':
>
> > form = AddRestaurantForm(request.POST)
>
> > if form.is_valid():
>
> > geonameID = request.POST.get('city_geonameId','')
> > country = Country.objects.get(code=request.POST.get
> > ('city_countryCode',''))
> > city, created = City.objects.get_or_create
> > (geonameID=geonameID, country = country, name = form.cleaned_data
> > ['city'])
>
> > if created: #stuff
>
> > city.save()
>
> > new_restaurant = form.save
> > (commit=False)
> > new_restaurant.city = city
>
> > class AddRestaurantForm(ModelForm):
>
> > rating = forms.IntegerField(widget=forms.Select(choices =
> > RATING_CHOICE), required=False)
> > city = forms.CharField(max_length=100)
>
> > class Meta:
> > model = Restaurant
> > exclude = ('slug')
>
> > class Restaurant(models.Model):
>
> > name = models.CharField(max_length=100)
> > country=models.ForeignKey(Country)
> > city=models.ForeignKey(City)
> > street=models.CharField(max_length=100)
> > street_number=models.PositiveSmallIntegerField()
> > phone_number=models.CharField(max_length=16, blank=True,
> > null=True)
> > price_range=models.PositiveSmallIntegerField(blank=True,
> > null=True)
> > category=models.ManyToManyField(Category, blank=True, null=True)
> > tag=models.ManyToManyField(Tag, blank=True, null=True)
> > slug = models.SlugField(unique=True)
>
> > def get_absolute_url(self):
> > return "/restaurant/%s/" % self.slug
>
> > def __unicode__(self):
> > return self.name
>
> > def save(self):
> > self.slug = slugify(self.name)
> > super(Restaurant, self).save()
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