def validate_count(self, uid, count):
"""Validate setting cart item count for uid.
uid - Is the cart item UID.
count - If count is 0, it means that a cart item is going to be
deleted, which is always allowed. If count is > 0, it's the aggregated
item count in cart.
"""
cart_item = utils.get_object_by_uid(self.context, uid)
item_data = cartitem.get_item_data_provider(cart_item)
cart_count_limit = item_data.cart_count_limit
if cart_count_limit and float(count) > cart_count_limit:
message = translate(
_("article_limit_reached", default="Article limit reached"),
context=self.request,
)
return {"success": False, "error": message, "update": False}
item_state = cartitem.get_item_state(cart_item, self.request)
if item_state.validate_count(count):
return {"success": True, "error": ""}
message = translate(
_(
"trying_to_add_more_items_than_available",
default="Not enough items available, abort.",
),
context=self.request,
)
return {"success": False, "error": message, "update": False}
def cart_item_free_shipping(context, item):
"""Return boolean whether cart item shipping is free.
"""
obj = utils.get_object_by_uid(context, item[0])
if not obj:
return False
shipping = get_item_shipping(obj)
if shipping:
return shipping.free_shipping
return False
def cart_item_shippable(context, item):
"""Return boolean whether cart item is shippable.
"""
obj = utils.get_object_by_uid(context, item[0])
if not obj:
return False
shipping = get_item_shipping(obj)
if shipping:
return shipping.shippable
return False
def product_group(self):
uid = self.request.get("uid")
if not uid:
raise ValueError(u"No execution context UID")
obj = get_object_by_uid(self.context, uid)
if not obj:
raise ValueError(u"Execution context object not found by UID")
if IProductGroup.providedBy(obj):
return obj
if IVariant.providedBy(obj):
return aq_parent(obj)
raise ValueError(u"Object not implements IProductGroup or IVariant")