def delCart(request):
"""
删除购物车
"""
if request.method == 'POST':
user = request.user
# 1. 先拿到isselect为True的购物车, 在拿到购物车下面商品的数量和单价
goods_id = request.POST['goods_id']
data = {
'code': 200,
'msg': '请求成功',
}
if user.id:
user_cart = CartModel.objects.filter(user=user,
goods_id=goods_id).first()
if user_cart:
if user_cart.c_num == 1:
user_cart.delete()
data['c_num'] = 0
if user_cart.c_num > 1:
user_cart.c_num -= 1
user_cart.save()
data['c_num'] = user_cart.c_num
else:
pass
totalMoney = total_money(user)
data['totalMoney'] = totalMoney
return JsonResponse(data)
data['msg'] = '请登录'
return JsonResponse(data)
def addCart(request):
"""
增加购物车
"""
if request.method == 'POST':
user = request.user
goods_id = request.POST['goods_id']
data = {
'code': 200,
'msg': '请求成功',
}
if user.id:
user_carts = CartModel.objects.filter(user=user,
goods_id=goods_id).first()
if user_carts:
user_carts.c_num += 1
user_carts.save()
data['c_num'] = user_carts.c_num
else:
CartModel.objects.create(user=user, goods_id=goods_id)
data['c_num'] = 1
totalMoney = total_money(user)
data['totalMoney'] = totalMoney
return JsonResponse(data)
data['code'] = 403
data['msg'] = '用户未登录'
return JsonResponse(data)
def showMoney(request):
"""
购物车页面get请求时自动加载总价
"""
user = request.user
totalMoney = total_money(user)
data = {'totalMoney': totalMoney}
return JsonResponse(data)
def clearAll(request):
"""
全选
"""
if request.method == 'POST':
user = request.user
user_carts = user.cartmodel_set.all()
for user_cart in user_carts:
user_cart.is_select = False
user_cart.save()
data = {
'code': 200,
'msg': '请求成功',
}
totalMoney = total_money(user)
data['totalMoney'] = totalMoney
return JsonResponse(data)
def changeCartState(request):
"""
改变购物车的状态
"""
if request.method == 'POST':
user = request.user
cart_id = request.POST['cart_id']
user_cart = CartModel.objects.filter(id=cart_id).first()
if user_cart.is_select:
user_cart.is_select = False
else:
user_cart.is_select = True
user_cart.save()
data = {'code': 200, 'msg': '请求成功', 'is_select': user_cart.is_select}
totalMoney = total_money(user)
data['totalMoney'] = totalMoney
return JsonResponse(data)