def shopping(request):
data = {}
if request.method == 'GET':
token = request.session.get('token')
if token:
user = User.objects.get(token=token)
cart = Cart.objects.filter(user=user).filter(is_delete=0)
data['cart_num'] = cart.count()
data['user_name'] = user.name
data['cart'] = cart
return render(request, 'shopping.html', context=data)
else:
return render(request, 'shopping.html')
else:
token = request.session.get('token')
if token:
user = User.objects.get(token=token)
name = request.POST.get('name')
number = request.POST.get('number')
price = request.POST.get('price')
size = request.POST.get('size')
smallimg = request.POST.get('smallimg')
carts = Cart.objects.filter(user=user).filter(name=name).filter(
smallimg=smallimg)
if carts.filter(size=size).filter(is_delete=0).exists():
cart = carts.first()
cart.number += eval(number)
cart.save()
else:
cart = Cart()
cart.user = user
cart.name = name
cart.price = price
cart.size = size
cart.smallimg = smallimg
cart.number = number
cart.is_delete = 0
cart.save()
# 1、 第一次添加的商品是不存在的，要往数据库中添加一条新记录
return JsonResponse({
'msg': '{},添加购物车成功'.format(name),
'number': cart.number,
'status': 1
})
else:
return JsonResponse({'msg': '添加购物车失败，请先登录', 'status': 0})
def cart_add():
"""
添加到购物车
:return:
"""
params = request.values or request.get_json()
user = User.get_user_by_token(params.get('token'))
cart_item_id = params.get("cart_item_id")
cart_sku_id = params.get("cart_sku_id")
cart_add_from = params.get("cart_add_from")
cart_sku_num = params.get("cart_sku_num")
requires = [
"cart_item_id",
"cart_sku_id",
"cart_sku_num",
]
for r in requires:
if params.get(r) is None:
return CommonError.args_miss(msg='{}_required'.format(r))
cart_item: Cart
try:
cart_item = db.session.query(Cart).filter_by(cart_item_id=cart_item_id,
cart_sku_id=cart_sku_id,
is_delete=0).one()
if cart_item is not None:
cart_item = cart_item
cart_item.cart_sku_num += int(cart_sku_num)
db.session.add(cart_item)
db.session.commit()
except NoResultFound:
cart_item = Cart()
cart_item.cart_item_id = cart_item_id
cart_item.cart_sku_id = cart_sku_id
cart_item.cart_add_from = int(cart_add_from) or 1
cart_item.cart_sku_num = cart_sku_num
cart_item.cart_item_belong = user.user_id
cart_item.is_delete = 0
db.session.add(cart_item)
db.session.commit()
except:
return CommonError.getError(errorCode=999)
return responseSuccessHandler()