On Tue, Nov 13, 2012 at 8:52 AM, Josue Balandrano <xird...@gmail.com> wrote:
> Judging by the docs it really doesn't matter the kind of field it is. As
> long as it has de choices tuple list. Giving that this tuple gives you the
> value it should take and the human readable form. So I am guessing django
> framework just mapps the labels with the values you give in the choices
> tuples. So as long as you use Positive Integers in the choice tuple it
> should be fine.
> HAving said this I am going to try to change it into a charfield to see what
> happens.
I actually think you will have more luck with Jill's suggestion :)
cheers
L.
>
> El lunes, 12 de noviembre de 2012 13:41:01 UTC-6, Lachlan Musicman escribió:
>>
>> On Tue, Nov 13, 2012 at 6:37 AM, Josue Balandrano <xir...@gmail.com>
>> wrote:
>> > Hi, I am trying to create a very basic ratings and comments app. I have
>> > this
>> > model:
>> >
>> > class Ratings(models.Model):
>> > user = models.ForeignKey(UserProfile)
>> > product = models.ForeignKey(Product)
>> > rate = models.PositiveIntegerField(default=0, null=False,
>> > choices=((1,'1'),(2,'2'),(3,'3'),(4,'4'),(5,'5')))
>>
>> Can a choices kwarg be used with a PositiveIntegerField? Is the
>> problem solved by changing this to a CharField?
>>
>>
>>
>> > comment = models.TextField(default='', blank=True)
>> > date_added = models.DateField(default=datetime.now)
>> > objects = RatingsManager()
>> >
>> > def __unicode__(self):
>> > return self.rating
>> >
>> > class Meta:
>> > unique_together = ("user", "restaurant")
>> >
>> > class RatingsManager(models.Manager):
>> > def get_average(self, **kwargs):
>> > prod = kwargs['prod']
>> > return self.filter(product = prod).aggregate(Avg('rate'))
>> >
>> > And I have this modelform Class:
>> >
>> > class RatingsForm(forms.ModelForm):
>> > comment =
>> > forms.CharField(widget=forms.Textarea(attrs={'name':'comentario',
>> > 'label':'', 'rows':'5', 'cols':'50'}))
>> > class Meta:
>> > model = Ratings
>> > widgets = {
>> > 'user' : forms.HiddenInput(),
>> > 'product' : forms.HiddenInput(),
>> > 'rate' : forms.RadioSelect(),
>> > }
>> > exclude = ('date_added', )
>> >
>> > First, this is how I initiate the form and pass it to the context
>> > variable.
>> > This form will only ve bisivle in a detail view of the product.
>> >
>> > rating_form = RatingsForm(initial={'product':prod.id,
>> > 'user':self.request.user.id})
>> > context['rating_form'] = rating_form
>> >
>> > And this is what I gets executed once the view recieves a post request.
>> >
>> > product_id = request.POST.get('product')
>> > user_id = request.user.id
>> > try:
>> > instance = Ratings.objects.get(user = int(user_id), product
>> > =
>> > int(product_id)) #IF USER SUBMITED RATING FOR THIS PRODUCT UPDATE
>> > EXISTING
>> > RECORD INSTEAD OF CREATING A NEW ONE
>> > except Ratings.DoesNotExist:
>> > instance = None
>> > if instance is None:
>> > formset = RatingsForm(request.POST)
>> > formset.restaurant = int(restaurant_id)
>> > formset.user = int(user_id)
>> > if formset.is_valid():
>> > formset.save()
>> >
>> > else:
>> > formset = RatingsForm(request.POST, instance=instance)
>> > if formset.is_valid():
>> > formset.save()
>> >
>> > context.update({ 'rating_form':formset,})
>> > return self.render_to_response(context)
>> >
>> > So when ever I submit the form I get this error:
>> >
>> > Select a valid choice. That choice is not one of the available choices.
>> >
>> > But I can't figure out what does it means? Because the only choice field
>> > I
>> > have is the "rate" field and it could never be anything else than an int
>> > between 1 - 5.
>> >
>> > Any ideas how to fix this?
>> >
>> > Thank you.
>> >
>> >
>> > --
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>>
>>
>>
>> --
>> ...we look at the present day through a rear-view mirror. This is
>> something Marshall McLuhan said back in the Sixties, when the world
>> was in the grip of authentic-seeming future narratives. He said, “We
>> look at the present through a rear-view mirror. We march backwards
>> into the future.”
>>
>> http://www.warrenellis.com/?p=14314
>
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--
...we look at the present day through a rear-view mirror. This is
something Marshall McLuhan said back in the Sixties, when the world
was in the grip of authentic-seeming future narratives. He said, “We
look at the present through a rear-view mirror. We march backwards
into the future.”
http://www.warrenellis.com/?p=14314
--
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