def cart(request):
user = request.user
carts = Cart.objects.filter(c_user=user)
is_all_select = not carts.filter(c_is_selected=False).exists()
context = {
'title': '购物车',
'carts': carts,
'is_all_select': is_all_select,
'total_price': total_price(user),
}
return render(request, 'main/cart.html', context=context)
def add_in_cart(request):
cartid = request.GET.get('cartid')
user = request.user
cart = Cart.objects.get(pk=cartid)
cart.c_goods_num = cart.c_goods_num + 1
cart.save()
data = {
'status': 700,
'num': cart.c_goods_num,
'total_price': total_price(user),
}
return JsonResponse(data)
def delete_in_cart(request):
cartid = request.GET.get('cartid')
cart = Cart.objects.get(pk=cartid)
user = request.user
data = {
'status': 700,
}
if cart.c_goods_num > 1:
cart.c_goods_num = cart.c_goods_num - 1
cart.save()
data['num'] = cart.c_goods_num
else:
cart.delete()
data['num'] = 0
data['total_price'] = total_price(user)
return JsonResponse(data)
def change_select_state(request):
cartid = request.GET.get('cartid')
carts = Cart.objects.filter(pk=cartid)
user = request.user
data = {
'status': 700,
}
if carts.exists():
cart = carts.first()
cart.c_is_selected = not cart.c_is_selected
cart.save()
data['is_selected'] = cart.c_is_selected
is_all_select = not Cart.objects.filter(c_user=user).filter(
c_is_selected=False).exists()
data['is_all_select'] = is_all_select
data['total_price'] = total_price(user)
return JsonResponse(data)
def make_order(request):
user = request.user
carts = Cart.objects.filter(c_user=user).filter(c_is_selected=True)
# 生成订单
order = Order()
order.o_user = user
order.o_price = total_price(user)
order.save()
# 订单和商品级联
for cart in carts:
ordergoods = OrderGoods()
ordergoods.o_order = order
ordergoods.o_goods = cart.c_good
ordergoods.o_goods_num = cart.c_goods_num
ordergoods.save()
cart.delete()
data = {
'status': 700,
'msg': 'ok',
'order_id': order.id,
}
return JsonResponse(data)