Re: How to use ModelChoiceField? I whould like to filter the output from a field form.

вторник, 28 апреля 2020 г., 19:56:37 UTC+3 пользователь Sergei Sokov написал:

forms.py
class OrderForm(forms.ModelForm):
    class Meta:
        model = Order
    name_job = forms.ModelMultipleChoiceField(queryset=None)
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        qs = TypJob.objects.filter(author__id=request.user.id)

views.py

class OrderNewBigPrintView(LoginRequiredMixin, CustomSuccessMessageMixin, CreateView):
    model = Order
    template_name = 'new_order_bp.html'
    form_class = OrderForm
    success_url = reverse_lazy('orders')
    success_msg = 'Ok'

 

models.py
class TypJob(models.Model):
 author = models.ForeignKey(User, on_delete = models.CASCADE, verbose_name='author', null=True)
 name_job = models.CharField('name job', max_length=200)


class Order(models.Model):
 author = models.ForeignKey(User, on_delete = models.CASCADE, verbose_name='author', blank=True, null=True)
 number_order = models.CharField('number of order', max_length=100)
 date_create = models.DateTimeField(auto_now=True)
 name = models.ForeignKey(Customer, on_delete = models.CASCADE, verbose_name='customer', null=True)
 name_order = models.CharField('name of order', max_length=200)

# Так должно работать вроде.. 

# view

 class OrderNewBigPrintView(LoginRequiredMixin, CustomSuccessMessageMixin, CreateView):

    model = Order
    template_name = 'new_order_bp.html'
    form_class = OrderForm
    success_url = reverse_lazy('orders')
    success_msg = 'Ok'

    # this method will pass 'user' as param in kwargs to form __init__()

    def get_form_kwargs(self):

        kwargs = super(OrderNewBigPrintView, self).get_form_kwargs()

        kwargs['user'] =  self.request.user

        return kwargs

# form

class OrderForm(forms.ModelForm):
    class Meta:
        model = Order
    name_job = forms.ModelMultipleChoiceField(queryset=None)

    def __init__(self, *args, **kwargs):

        # get 'user' param from kwargs

        self.user = kwargs.pop('user', None)
        super().__init__(*args, **kwargs)

        # set 'name_job' queryset

        self.fields['name_job'].queryset = TypJob.objects.filter(author__id=self.user.id)

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