def add_to_cart(request):
goodsid=request.GET.get('goodsid')
user=request.user
carts=Cart.objects.filter(c_goods_id=goodsid).filter(c_user=request.user)
if carts:
cart=carts.first()
cart.c_goods_num=cart.c_goods_num+1
else:
cart=Cart()
cart.c_user=request.user
# good=Goods.objects.get(goodsid=goodsid)
# cart.c_goods=good
cart.c_goods_id=goodsid
cart.c_goods_num=1
cart.save()
data={
'status':200,
'msg':'添加成功',
'c_good_num':cart.c_goods_num,
'total_price': get_total_price(request.user),
}
return JsonResponse(data)
def get(self, request, *args, **kwargs):
action = request.query_params.get("action")
data = {}
if action == "add_to_cart":
goodsid = request.query_params.get("goodsid")
carts = Cart.objects.filter(c_user=request.user).filter(
c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
else:
cart_obj = Cart()
cart_obj.c_goods_id = goodsid
cart_obj.c_user = request.user
cart_obj.save()
data = {
'status': 200,
'msg': 'add success',
'c_goods_num': cart_obj.c_goods_num
}
elif action == "change_cart_status":
cart_id = request.GET.get('cartid')
cart_obj = Cart.objects.get(pk=cart_id)
cart_obj.c_is_select = not cart_obj.c_is_select
cart_obj.save()
is_all_select = not Cart.objects.filter(
c_user=request.user).filter(c_is_select=False).exists()
data = {
'status': 200,
'msg': 'change ok',
'c_is_select': cart_obj.c_is_select,
'is_all_select': is_all_select,
'total_price': get_total_price(self.request)
}
return Response(data)
elif action == "add_shopping":
cartid = request.GET.get("cartid")
cart_obj = Cart.objects.get(pk=cartid)
data = {
'status': 200,
'msg': 'ok',
}
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
cart_obj.save()
data['c_goods_num'] = cart_obj.c_goods_num
data['total_price'] = get_total_price(self.request)
return Response(data)
elif action == "sub_shopping":
cartid = request.GET.get("cartid")
cart_obj = Cart.objects.get(pk=cartid)
data = {
'status': 200,
'msg': 'ok',
}
if cart_obj.c_goods_num > 1:
cart_obj.c_goods_num = cart_obj.c_goods_num - 1
cart_obj.save()
data['c_goods_num'] = cart_obj.c_goods_num
else:
cart_obj.delete()
data['c_goods_num'] = 0
data['total_price'] = get_total_price(self.request)
return Response(data)
elif action == "all_select":
cart_list = request.GET.get('cart_list')
cart_list = cart_list.split("#")
carts = Cart.objects.filter(id__in=cart_list)
for cart_obj in carts:
cart_obj.c_is_select = not cart_obj.c_is_select
cart_obj.save()
data = {
'status': 200,
'msg': 'ok',
'total_price': get_total_price(self.request)
}
elif action == "all":
carts = Cart.objects.filter(c_user=request.user)
is_all_select = not carts.filter(c_is_select=False).exists()
data = {
'status': 200,
'msg': 'ok',
"data": {
'title': '购物车',
'is_all_select': is_all_select,
'total_price': get_total_price(self.request),
'carts': CartSerializer(carts, many=True).data,
}
}
return Response(data)
else:
data["status"] = status.HTTP_400_BAD_REQUEST
data["msg"] = "错误的参数"
return Response(data)