forms.py
class KomForm(forms.ModelForm):
    class Meta:
        model = Kom
        fields = ('company', 'title',)
models.py
class Company(models.Model):
    author = models.ForeignKey('auth.User')
    title = models.CharField(max_length=200)
    created_date = models.DateTimeField(default=timezone.now)
    published_date = models.DateTimeField(blank=True, null=True)
    def publish(self):
        self.published_date = timezone.now()
        self.save()
    def __str__(self):
        return self.title
class Kom(models.Model):
    author = models.ForeignKey('auth.User')
    title = models.CharField(max_length=200)
    company = models.ForeignKey(Company, on_delete=models.CASCADE)
    def publish(self):
        self.published_date = timezone.now()
        self.save()
    def __str__(self):
        return self.title
views.py
def kommpred_new(request):
    if request.method == "POST":
        user = request.user if request.user.is_authenticated() else None
        form = KommpredForm(request.POST)
        if form.is_valid():
            kp = form.save(commit=False)
            kp.author = request.user
            kp.company=forms.ModelChoiceField(queryset=Company.objects.filter(author_id = self.user.id))
            kp.published_date = timezone.now()
            kp.save()
            return redirect('kommpred_detail', pk=kp.pk)
    else:
        form = KommpredForm()
    return render (request, 'by/kommpred_new.html', {'form': form})
I'm trying to implement a user-choice when creating a new object through a form field ModelChoiceField only those of which he is. So far, the method of trial and error, I can not do it. I was advised this:
class KomForm (forms.ModelForm):
    class Meta:
        model = Kom
        fields = ( 'company', 'title',)
    def __init __ (self, * args, ** kwargs):
        # Call the constructor form and maintain user
        super (KomForm, self) .__ init __ (* args, ** kwargs)
        if 'user' in kwargs and kwargs [ 'user'] is not None:
            user = kwargs.pop ( 'user')
            qs = Company.objects.filter (author__id = user.id)
            self.fields [ 'company']. queryset = qs
def your_view (request):
    user = request.user if request.user.is_authenticated () else None
    form = KomForm (user = user)
    return render ( 'template.html' { 'form': form})
But still I do not go out ...
how transfer in the field ModelChoiceField only those objects, the author of which is the object of creating a company user?
 
     
    