refactor: cart does not depend on request anymore

dj_shop_cart/cart.py

@@ -63,7 +63,6 @@ def from_product(
 
 @define(kw_only=True)
 class Cart:
- request: HttpRequest
  storage: Storage
  prefix: str = field(default=DEFAULT_CART_PREFIX)
  _metadata: dict = field(factory=dict)
@@ -279,7 +278,7 @@ def clear_metadata(self, *keys: list[str]) -> None:
  def new(cls, request: HttpRequest, prefix: str = DEFAULT_CART_PREFIX) -> Cart:
  """Appropriately create a new cart instance. This builder load existing cart if needed."""
  storage = get_module(conf.CART_STORAGE_BACKEND)(request)
- instance = cls(request=request, storage=storage, prefix=prefix)
+ instance = cls(storage=storage, prefix=prefix)
  try:
  data = storage.load().get(prefix, {})
  except AttributeError: