How to perform queries in django modelform? - django

Question

I tried this in my modelform:
class Ledgerform(forms.ModelForm):
class Meta:
model = ledger1
fields = ('name', 'group1_Name')
def __init__(self, User, Company, *args, **kwargs):
self.User = kwargs.pop('User', None)
self.Company = kwargs.pop('Company', None)
super(Ledgerform, self).__init__(*args, **kwargs)
self.fields['name'].widget.attrs = {'class': 'form-control',}
self.fields['group1_Name'].queryset = group1.objects.filter(User= self.User,Company = self.Company)
In my views.py I have done something like this:
class ledger1ListView(LoginRequiredMixin,ListView):
model = ledger1
paginate_by = 15
def get_queryset(self):
return ledger1.objects.filter(User=self.request.user, Company=self.kwargs['pk'])
class ledger1CreateView(LoginRequiredMixin,CreateView):
form_class = Ledgerform
def form_valid(self, form):
form.instance.User = self.request.user
c = company.objects.get(pk=self.kwargs['pk'])
form.instance.Company = c
return super(ledger1CreateView, self).form_valid(form)
I want to perform the the same query that I have passed in my ledger1ListView by using queryset in my modelform but my kwargs.pop is not returning the current user or the company...
This is my models.py:
class ledger1(models.Model):
User = models.ForeignKey(settings.AUTH_USER_MODEL,on_delete=models.CASCADE,null=True,blank=True)
Company = models.ForeignKey(company,on_delete=models.CASCADE,null=True,blank=True,related_name='Companys')
name = models.CharField(max_length=32)
group1_Name = models.ForeignKey(group1,on_delete=models.CASCADE,blank=True,null=True)
Do any one know what I am doing wrong in my code?
Thank you in advance

Answer 1

You can override the FormMixin.get_form_kwargs [Django-doc] in your view, that it constructs a dictionary with the parameters necessary to initialize the form, like:
class ledger1CreateView(LoginRequiredMixin,CreateView):
form_class = Ledgerform
def get_form_kwargs(self):
data = super(ledger1CreateView, self).get_form_kwargs()
data.update(
User=self.request.User,
Company=company.objects.get(pk=self.kwargs['pk'])
)
return data
The form_valid function is called after the form is constructed, validated and appears to be valid. Typically it is used to redirect the user to the "success page".