Множественные get запросы Django

class Shop(ListView):
    model = Product
    template_name = 'app/shop.html'
    context_object_name = 'shop'
    paginate_by = 9
 
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['price'] = set((x for x in Product.objects.values_list('price', flat=True)))
        return context
 
    def get_queryset(self):
        if self.request.GET.get('find'):
            return Product.objects.filter(draft=False, name__icontains=self.request.GET.get('find'))
        else:
            return Product.objects.filter(draft=False)

qs = Product.objects.filter(draft=False)
if 'find' in request.GET:
    # сгеренит WHERE draft = false and name ILIKE '%?%'
    qs = qs.filter(name__icontains=request.GET.get('find'))

if 'find' in request.GET:
    qs = qs.filter(name__icontains=request.GET.get('find'))
if 'size' in request.GET:
    qs = qs.filter(size=request.GET.get('size'))
if 'brand' in request.GET:
    qs = qs.filter(brand__in=request.GET.get('brand').split(','))

Product.finder.get(request)

{'name__icontains': None}

Product.objects.filter(**my_mapped_request)