view.py

gistfile1.txt

Form:

class BaseFilter(django_filters.FilterSet):
    """Базовый класс фильтров ."""

    def __init__(self, *args, **kwargs):
        prefix_slug = kwargs.pop('prefix_slug', None)
        super().__init__(*args, **kwargs)
        if prefix_slug is not None:
            self.set_filter_choices(prefix_slug)
        else:
            ...

    #
    any_lvl0 = django_filters.ChoiceFilter(
        widget=CustomSelect(
            attrs={'placeholder': 'any1', 'with_links': True}
        ),
        choices=[]
    )
    any_lvl2 = django_filters.ChoiceFilter(
        widget=CustomSelect(
            attrs={'placeholder': 'any2', 'with_links': True}
        ),
        choices=[]
    )
   
    city = django_filters.CharFilter(
        widget=FormCityInput(attrs={'placeholder': 'Город'}),
        lookup_expr='icontains',
    )
    ...

    def any_choices(self, qs):
        """Создаем чойзы для виджета"""
        return (
            (any.get_slug_url(self.career_section), any.categories)
            for any in qs
        )



Serializer:

class ArtistSerializer(serializers.ModelSerializer):
    """Сериализатор модели Artist."""

    movie_set = MoveSetSerializer(many=True)
    social_networks = SocialNetworkSerializer(many=True)

    class Meta:
        model = Artist
        fields = ('id', 'full_name', 'nickname', 'gender',
                  'birthday', 'about', 'movie_set', 'social_networks')

    def create(self, validated_data):
        movies = validated_data.pop('movie_set')
        artist = Artist.objects.create(**validated_data)
        for movie in movies:
            movie_create = Movie.objects.create(**movie)
            movie_create.artists.add(artist)
        return artist


View:

class BaseListView(ListView):
    """Базовый класс списка."""

    paginate_by = 30
    ordering = '-any'

    @abstractmethod
    def _get_any_counter(self) -> Count:
        """Фильтр по."""

    def get_context_data(self, *args, object_list=None, **kwargs) -> Dict:
        context = super().get_context_data(
            *args, object_list=object_list, **kwargs
        )
        any = Area.objects.annotate(
            counter=self._get_any_counter()
        ).values('id', 'name', 'counter').order_by('-counter')
        )
        context['any'] = any
        context['any2'] = any
        return
        return context

class AnyEdit(AnyBase, UpdateView):
    """Редактирование."""

    permission_required = 'app.edit_any'

    def __init__(self):
        super().__init__()
        self.success_url += '?edit=True'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        current_user = self.request.user:
                if current_user.is_authenticated:
                    context['any_extra'] = extra()
                    ...

        return context