Python Cart.remove_from_cart示例

示例#1

文件： views.py 项目： j1nn33/study

def remove_from_cart_view(request):
    """ удаление товара в корзину """

    try:
        cart_id = request.session['cart_id']
        cart = Cart.objects.get(id=cart_id)  # для бейджика на меню корзины
        request.session['total'] = cart.items.count()
    except:
        cart = Cart()
        cart.save()
        cart_id = cart.id
        request.session['cart_id'] = cart_id
        cart = Cart.objects.get(id=cart_id)  # для бейджика на меню корзины

    product_slug = request.GET.get('product_slug')
    product = Product.objects.get(slug=product_slug)
    cart.remove_from_cart(
        product.slug)  # вызов функции которую добавили в класс
    new_cart_total = 0.00
    for item in cart.items.all():
        new_cart_total += float(item.item_total)
    cart.cart_total = new_cart_total
    cart.save()
    return JsonResponse({
        'cart_total': cart.items.count(),
        'cart_total_price': cart.cart_total
    })

示例#2

def remove_from_cart_view(request):
    try:
        cart_id = request.session['cart_id']
        cart = Cart.objects.get(id=cart_id)
        request.session['total'] = cart.items.count()

    except:
        cart = Cart()
        cart.save()
        cart_id = cart.id
        request.session['cart_id'] = cart_id
        cart = Cart.objects.get(id=cart_id)
    product_slug = request.GET.get('product_slug')
    product = Product.objects.get(slug=product_slug)
    cart.remove_from_cart(product.slug)
    new_cart_total = 0
    for item in cart.items.all():
        new_cart_total += float(item.item_total)
    cart.cart_total = new_cart_total
    cart.save()
    return JsonResponse({
        'cart_total':
        cart.items.count(),  # ключ-значение, где ключ используется в шаблоне
        'cart_total_price': cart.cart_total
    })

示例#3

def remove_from_cart_view(request):
    try:
        cart_id = request.session['cart_id']
        cart = Cart.objects.get(id=cart_id)
        request.session['total'] = cart.items.count()
    except:
        cart = Cart()
        cart.save()
        cart_id = cart.id
        request.session['cart_id'] = cart_id
        cart = Cart.objects.get(id=cart_id)
    product_slug = request.GET.get('product_slug')
    product = Product.objects.get(slug=product_slug)
    cart.remove_from_cart(product.slug)
    return JsonResponse({'cart_total': cart.items.count()})

示例#4

文件： views.py 项目： SlGrey/Grey

def remove_from_cart_view(request):
    try:
        cart_id = request.session["cart_id"]
        cart = Cart.objects.get(id=cart_id)
        request.session["total"] = cart.items.count()
    except KeyError:
        cart = Cart()
        cart.save()
        cart_id = cart.id
        request.session["cart_id"] = cart_id
        cart = Cart.objects.get(id=cart_id)
    product_slug = request.GET.get("product_slug")
    product = Product.objects.get(slug=product_slug)
    cart.remove_from_cart(product.slug)
    new_cart_total = 0.00
    for item in cart.items.all():
        new_cart_total += float(item.item_total)
    cart.cart_total = new_cart_total
    cart.save()
    return JsonResponse({"cart_total": cart.items.count(),
                         "cart_total_price": cart.cart_total,
                         })

示例#5

文件： views.py 项目： Rizzrackez/internet_shop

def remove_from_cart_view(request):
    try:
        cart_id = request.session['cart_id']
        cart = Cart.objects.get(id=cart_id)
        request.session['total'] = cart.items.count()
    except:
        cart = Cart()
        cart.save()
        cart_id = cart.id
        request.session['cart_id'] = cart_id
        cart = Cart.objects.get(id=cart_id)
    slug = request.GET.get('slug')
    product = Product.objects.get(slug=slug)
    cart.remove_from_cart(product.slug)
    new_cart_total = 0.00
    for item in cart.items.all():
        new_cart_total += float(item.item_total)
    cart.cart_total = new_cart_total
    cart.save()
    return JsonResponse({
        'cart_total': cart.items.count(),
        'cart_total_price': cart.cart_total
    })