Hi,
This might be a complicated enough case where a functional view might help
make things more clear what's going on.
Collin
On Friday, December 5, 2014 8:22:07 PM UTC-5, Brad Rice wrote:
>
> For the life of me I can't figure out how to use a modelformset with class
> view. I get it to display but it won't save. Also, when it goes into
> form_invalid, it doesn't display the 3 formsets. Can anyone shed a little
> light?
>
> I'm using crispy forms with this in my template:
>
> {% crispy reference_form referencehelper %}
>
> This is my model
>
> class Reference(models.Model):
> ref_name = models.CharField(max_length=256)
> ref_phone = models.CharField(max_length=20,
> validators=[RegexValidator(regex='\(?([0-9]{3})\)?([ .-]?)([0-9]{3})([
> .-]?)([0-9]{4})', message='Looks like your phone number is not formatted
> correctly', code='Invalid number')])
> ref_email = models.EmailField(max_length=256)
> created_by = models.ForeignKey(User, unique=True)
> applicant = models.ForeignKey("Applicant")
> application = models.ForeignKey("Application")
>
> This is my form.py form
>
> class ReferenceForm(forms.ModelForm):
> class Meta:
> model = Reference
> exclude = ('created_by', 'application', 'applicant')
>
> def __init__(self, *args, **kwargs):
> super(ReferenceForm, self).__init__(*args, **kwargs)
>
>
> class ReferenceFormSetHelper(FormHelper):
> def __init__(self, *args, **kwargs):
> super(ReferenceFormSetHelper, self).__init__(*args, **kwargs)
> self.form_method = 'post'
> self.layout = Layout(
> Fieldset('Reference',
> 'ref_name',
> 'ref_phone',
> 'ref_email',
> ))
> self.add_input(Submit("submit", "Save"))
>
>
>
> ReferenceFormSet = modelformset_factory(Reference, form=ReferenceForm,
> extra=3, max_num=3, can_delete=True)
>
> This is my view:
>
> class ReferenceCreate(LoginRequiredMixin, CreateView):
> model = Reference
> form_class = ReferenceForm
> template_name = 'requestform/reference_form.html'
>
> def dispatch(self, *args, **kwargs):
> return super(ReferenceCreate, self).dispatch(*args, **kwargs)
>
> def get(self, request, *args, **kwargs):
> """
> Handles GET requests and instantiates blank versions of the form
> and its inline formsets.
> """
> self.object = None
> form_class = self.get_form_class()
> form = self.get_form(form_class)
> reference_form = ReferenceFormSet()
> refhelper = ReferenceFormSetHelper()
> return self.render_to_response(
> self.get_context_data(
> reference_form=reference_form,
> referencehelper=refhelper
> ))
>
> def form_valid(self, form):
> """
> Called if all forms are valid. Creates a Recipe instance along with
> associated Ingredients and Instructions and then redirects to a
> success page.
> """
> self.object = form.save()
> reference_form.instance = self.object
> reference_form.save()
> return HttpResponseRedirect(reverse('requestform:app_check',
> kwargs={'app_id': obj.application_id}))
>
>
> def form_invalid(self, reference_form):
> refhelper = ReferenceFormSetHelper()
> return self.render_to_response(self.get_context_data(
> reference_form=reference_form,
> referencehelper=refhelper
> ))
>
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