issues with get_initial() in CreateView?

[Lachlan Musicman]

I'm struggling with CreateView get_initial() in django1.7

I have a modelA detail page with an "add ModelB" (modelB has FK to ModelA)
button.

When I hit that button, I want the new ModelB obj to have the modelA FK set. So
in the ModelB CreateView I have a get_initial that uses the slug to set the
modela.

When I run the code below , the modelB wont save ("missing modelA_id")

forms.py doesn't include modela field because I want modela set without ability
to edit it. Have tried including it, and excluding from the template - always
get's a "modela is required field" error.

What am I doing wrong or what test can I run to determine why the
field isn't being set?


models.py:

class ModelA(models.Model):
name = models.CharField(max_length=30)

class ModelB(models.Model):
name = models.CharField(max_length=30)
modela = models.ForeignKey(ModelA, related_name='moda')


urls.py:

url(r'^model/add/$', views.ModelAAdd.as_view(), name='modelA_add'),
url(r'^model/(?P<slug>[-\w]+)/$', views.ModelADetail.as_view(),
name='modelA_detail'),
url(r'^model/(?P<slug>[-\w]+)/modelb/add/$',
views.ModelBAdd.as_view(), name='modelB_add'),


views.py:

class ModelBAdd(generic.CreateView):
fields = ['modela', 'name']
form_class = ModelBAddForm
model = ModelB
template_name = 'jobs/modelB_form.html'

def get_initial(self):
slug = self.kwargs['slug']
modela = ModelA.objects.get(slug=slug)
print modela.id, modela # <- prints correct details in log
return {'modela': modela.id }

forms.py

class ModelBAddForm(forms.ModelForm):
class Meta:
fields = ['name']
model = ModelB
widgets = {
'name': forms.TextInput(attrs={'class':'form-control'}),
}



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[Lachlan Musicman]

Ok, I think it's because the modela is not passed in the POST data. Is
there any way to set the modela field in the CreateView without
needing it to be in the POST data?

IE, set the field in the CreateView (because the value is known
immediately by virtue of <slug>), and leave it out of the ModelForm
and the template?

Cheers
L.

[Sergiy Khohlov]

 Could you please paste your form_valid method ?

 You should update it for right saving object

Many thanks,

Serge


+380 636150445
skype: skhohlov

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