def shoppinglist_price_update(request, pk):
shoppinglist = ShoppingList.objects.get(pk=pk)
region_id = int(request.POST['region'])
items = shoppinglist.items.all()
type_ids = [x.type_id for x in items]
fetcher = PriceFetcher(type_ids, regions=region_id)
price_data = fetcher.fetch()
for price in fetcher.prepare_save(price_data):
Price.objects.create(**price)
return redirect('lists:detail', pk=pk)
