def add_item(request):
if request.method == 'POST':
post_data = json.loads(request.body)
service = SessionObjectService('cart')
cart = service.get_or_create(request)
serializer = CartItemSerializer(data=post_data)
if serializer.is_valid():
item = serializer.save()
if item in cart:
response = {
'text': 'Данный товар уже в корзине.',
'items_number': cart.get_items_number(),
'total_price': cart.get_total_price(),
}
return JsonResponse(response)
cart.add_item(item)
service.save(request, session_object=cart)
response = {
'text': 'Товар добавлен в корзину.',
'items_number': cart.get_items_number(),
'total_price': cart.get_total_price(),
}
return JsonResponse(response)
else:
raise Http404
else:
raise Http404()
def post(self, request, *args, **kwargs):
form = forms.OrderDeliveryForm(data=request.POST)
if form.is_valid():
service = SessionObjectService('order')
order = service.get_or_create(request)
order.update(form.cleaned_data)
service.save(request, order)
order['current_form'] = 'payment'
return redirect(reverse_lazy('order:payment'))
else:
context = self.get_context_data(request)
context['form'] = form
return render(request, 'checkout_delivery.html', context)
def remove_item(request):
if request.method == 'POST':
post_data = json.loads(request.body)
service = SessionObjectService('cart')
cart = service.get_or_create(request)
cart.remove_item_by_product_id_and_size(
post_data.get('id'), post_data.get('size'),
)
service.save(request, cart)
return JsonResponse({
'text': 'Товар удален из корзины.',
'items_number': cart.get_items_number(),
'total_price': cart.get_total_price(),
})
else:
raise Http404()
def change_item_quantity(request):
if request.method == 'POST':
post_data = json.loads(request.body)
service = SessionObjectService('cart')
cart = service.get_or_create(request)
changed_item = cart.change_item_quantity(
post_data.get('id'), post_data.get('size'), int(post_data.get('quantity')),
)
service.save(request, cart)
context = {
'text': 'Количество изменено.',
'item_total': changed_item.get_total_price(),
'cart_total': cart.get_total_price(),
}
return JsonResponse(context)
else:
raise Http404()
def toggle_item(request):
if request.method == 'POST':
post_data = json.loads(request.body)
service = SessionObjectService('favorites')
favorites = service.get_or_create(request)
product_id = int(post_data.get('id'))
if product_id in favorites:
item = favorites._get_item_by_product_id(product_id)
favorites.remove_item(item)
service.save(request, favorites)
response = {'text': 'Товар удален из избранного', 'status': 201}
else:
item = FavoritesItem(product_id=post_data.get('id'))
favorites.add_item(item)
service.save(request, favorites)
response = {'text': 'Товар добавлен в избранное', 'status': 200}
return JsonResponse(response)
else:
raise Http404('Only post allowed')