def add_to_cart(request, num=1):
if request.method == "POST":
food_id = request.POST['foodId']
food = Food.objects.get(id=food_id)
cart_session = request.session.get('cart', None)
# Lineitem save in cart
# session is empty
if not cart_session:
# 购物车中不存在物品的情况
cart = Cart()
li = LineItem()
li.food = food
li.unite_price = food.price
li.quantity = num
li.save()
cart.add_product(li, num)
else:
cart = pickle_load(cart_session)
has_food = False
for li in cart.items:
if li.food.id == food.id:
li.quantity += num
has_food = True
cart.total_price += food.price * num
if not has_food:
li = LineItem()
li.food = food
li.unite_price = food.price
li.quantity = num
li.save()
cart.add_product(li, num)
cart.total_price = round(cart.total_price, 2)
data = pickle_dump(cart)
request.session['cart'] = data
return HttpResponse(cart.total_price)
else:
logger.error('Get Request to add_to_cart')
return HttpResponse('request method err')
def add_to_cart(request, num=1):
if request.method == "POST":
food_id = request.POST['foodId']
food = Food.objects.get(id=food_id)
cart_session = request.session.get('cart', None)
# Lineitem save in cart
# session is empty
if not cart_session:
# 购物车中不存在物品的情况
cart = Cart()
li = LineItem()
li.food = food
li.unite_price = food.price
li.quantity = num
li.save()
cart.add_product(li, num)
else:
cart = pickle_load(cart_session)
has_food = False
for li in cart.items:
if li.food.id == food.id:
li.quantity += num
has_food = True
cart.total_price += food.price * num
if not has_food:
li = LineItem()
li.food = food
li.unite_price = food.price
li.quantity = num
li.save()
cart.add_product(li, num)
cart.total_price = round(cart.total_price, 2)
data = pickle_dump(cart)
request.session['cart'] = data
return HttpResponse(cart.total_price)
else:
logger.error('Get Request to add_to_cart')
return HttpResponse('request method err')
def GetLineItemData(self):
lineItem = LineItem()
lineItem.type = "suit"
lineItem.quantity = 1
return lineItem
