Dang, I need to make a correction. Meant to type:
Ingr = IngredientEditForm(request.POST, instance=Item),
not:
instance=I
On Jan 30, 2:01 pm, steve <steveb...@gmail.com> wrote:
> Hi everyone, this issue is related simply to using jquery's $.post to
> send some data to my view. I want to edit an item via Ajax (i..e the
> way de.li.cious lets you edt an item without refreshing page) :
>
> JAVASCRIPT
> -------------
> <pre>
> data = { "name":"apple",
> "id":ingred_id,
> "category":"",
> "stock_status":0,
> "storename":"albertsons",
> "user":0
> };
>
> $.post(url,data,processSuccessfulEdit, "json");
> </pre>
>
> VIEWS.PY
> -----------
> # first get the item to edit-----------
> id = request.POST['id']
> Item = Ingredient.objects.get(pk=int(id))
>
> # then save it
> Ingr = IngredientEditForm(request.POST, instance=I)
> Ingr.save()
>
> The problem is that the form validation fails. And it's because I'm
> sending a blank string in the category field. This field, in the
> Ingredient table, is null=TRUE, so I was expecting it to work.
>
> If I launch a python shell manually and run this:
> ----------------------------------
> p = Ingredient
> (name="testingr",category_id="",stock_status=1,user_id=0,storename="vons")
> p.save()
>
> It works, it gets inserted succesfully. Django accepts the blank
> string and creates a record with this foreign integer field as null.
>
> I'm thinking I should put aside the usage of ModelForm for now and
> manually do the updating of the record in the view function, unless
> there's something I'm not doing right.
>
> Wondering if anyone had run into this
> thanks,
> Steve
> =====================================================
>
> in case needed, here is the modelform class as well
> --------------------------------------------------------------
> class IngredientEditForm(ModelForm):
> class Meta:
> model = Ingredient
>
> class Ingredient(models.Model):
> name = models.CharField(max_length=250)
> stock_status = models.PositiveSmallIntegerField()
> category = models.ForeignKey(Ingredcategory, null=True)
> user = models.ForeignKey(FhyUser)
> storename = models.CharField(max_length=50)
>
> def __unicode__(self):
> return self.name
> class Meta:
> db_table = u'ingredient'
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