def start_listening():
cart_quantity_change_check.connect(max_stock_level_to_cart)
from django.utils.translation import ugettext as _
from satchless.cart.signals import cart_quantity_change_check
from .models import StockLevel
def max_stock_level_to_cart(sender, instance=None,
variant=None, old_quantity=None, new_quantity=None, result=None, **kwargs):
try:
level = variant.stocklevel
except StockLevel.DoesNotExist:
# not tracked in stock, allow any quantity
return
if new_quantity <= level.quantity:
return
if level.quantity == 0:
reason = _("There is no more %s in stock.") % variant
else:
reason = _("You have ordered more %s than we have currently in stock.") % variant
result.append((level.quantity, reason))
cart_quantity_change_check.connect(max_stock_level_to_cart)
def start_listening():
cart_quantity_change_check.connect(max_stock_level_to_cart)
