Подскажите как сделать корзину для анонимных пользователь и добавление товара в корзину ?
models.py
class Meta:
verbose_name = 'Корзина'
verbose_name_plural = 'Корзина'
related_name='cart',on_delete=models.CASCADE)
owner = models.ForeignKey('Customer',null=True, verbose_name='Владелец',on_delete=models.CASCADE)
products = models.ManyToManyField(CartProduct,blank=True,related_name='related_cart')
total_products = models.PositiveIntegerField(default=0)
final_price = models.DecimalField(max_digits=10,default=0, decimal_places=2,verbose_name='Общая сумма')
in_order= models.BooleanField(default=False)
for_anonymoys_user= models.BooleanField(default=False)
# add session key
session_key = models.CharField(max_length=40,null=True,blank=True)
def __str__(self):
return str(self.id)
# def save(self,*args,**kwargs):
# cart_data= self.products.aggregate(models.Sum('final_price'),models.Count('id'))
# if cart_data.get('final_price__sum'):
# self.final_price = cart_data.get('final_price__sum')
# else:
# self.final_price=0
# self.total_products = cart_data['id__count']
# cart.related_producr.all() продукты в корзине
class Customer(models.Model):
class Meta:
verbose_name = 'Покупатель'
verbose_name_plural = 'Покупатели'
user = models.ForeignKey(User, verbose_name='Пользователь', on_delete=models.CASCADE)
phone = models.CharField(max_length=20, verbose_name='Номер телефона')
adress = models.CharField(max_length=255, verbose_name='Адрес', null=True, blank=True)
orders = models.ManyToManyField('Order', verbose_name='Заказы покупателя', related_name='related_order')
def __str__(self):
return "Покупатель: {} {}".format(self.user.first_name, self.user.last_name)
class Order(models.Model):
class Meta:
verbose_name = 'Заказ'
verbose_name_plural = 'Заказы'
STATUS_NEW ='new'
STATUS_IN_PROGRESS='in_progress'
STATUS_READY= 'is_ready'
STATUS_COMPLETED= 'completed'
STATUS_DEACTIVE='deactive'
BUYING_TYPE_SELF= 'self'
BUYING_TYPE_DELIVERY = 'delivery'
STATUS_CHOICES= (
(STATUS_NEW,'Новый заказ'),
(STATUS_IN_PROGRESS,'Заказ в обработке'),
(STATUS_READY,'Заказ готов'),
(STATUS_COMPLETED,'Заказ выполнен'),
(STATUS_DEACTIVE,'Заказ Отменен')
)
BUYING_TYPE_CHOICES=(
(BUYING_TYPE_SELF,'Самовывоз'),
(BUYING_TYPE_DELIVERY,'Доставка')
)
customer = models.ForeignKey(Customer, verbose_name='Покупатель', related_name='related_orders', on_delete=models.CASCADE)
first_name = models.CharField(max_length=255, verbose_name='Имя')
last_name = models.CharField(max_length=255, verbose_name='Фамилия')
phone = models.CharField(max_length=20, verbose_name='Телефон')
cart = models.ForeignKey(Cart, verbose_name='Корзина', on_delete=models.CASCADE, null=True, blank=True)
adress = models.CharField(max_length=1024, verbose_name='Адрес', null=True, blank=True)
otdel = models.CharField(max_length=20,verbose_name='Отделение', null=True, blank=True)
status = models.CharField(
max_length=100,
verbose_name='Статус заказ',
choices=STATUS_CHOICES,
default=STATUS_NEW
)
buying_type = models.CharField(
max_length=100,
verbose_name='Тип заказа',
choices=BUYING_TYPE_CHOICES,
default=BUYING_TYPE_SELF
)
comment = models.TextField(verbose_name='Комментарий к заказу', null=True, blank=True)
created_at = models.DateTimeField(auto_now=True, verbose_name='Дата создания заказа')
order_date = models.DateField(verbose_name='Дата получения заказа', default=timezone.now)
# add session
session = models.ForeignKey(Session, on_delete=models.SET_NULL, blank=True, null=True)
def __str__(self):
return str(self.id)
views.py
class AddToCartView(CartMixin,View):
def get(self,request,*args,**kwargs):
product_slug= kwargs.get('slug')
product= Product.objects.get(slug=product_slug)
if request.user.is_authenticated:
cart_product,created=CartProduct.objects.get_or_create(
user=self.cart.owner,cart=self.cart,product=product
)
if created:
self.cart.products.add(cart_product)
recalc_cart(self.cart)
messages.add_message(request,messages.INFO,'Товар добавлен в корзину')
return redirect(product.get_absolute_url())
else:
return HttpResponseRedirect('/registration/')
class DeleteFomCartView(CartMixin,View):
def get(self,request,*args,**kwargs):
product_slug=kwargs.get('slug')
product= Product.objects.get(slug=product_slug)
cart_product=CartProduct.objects.get(
user=self.cart.owner,cart=self.cart,product=product
)
self.cart.products.remove(cart_product)
cart_product.delete()
recalc_cart(self.cart)
messages.add_message(request,messages.INFO,'Товар Удален')
return HttpResponseRedirect('/cart/')
class CartView(CartMixin, View):
def get(self, request, *args, **kwargs):
category = Category.objects.all()
context = {
'cart': self.cart,
'category': category
}
return render(request, 'cart.html', context)
cartmixins.py
class CartMixin(View):
def dispatch(self,request,*args,**kwargs):
if request.user.is_authenticated:
customer = Customer.objects.filter(user=request.user).first()
if not customer:
customer= Customer.objects.create(
user=request.user
)
cart = Cart.objects.filter(owner=customer,in_order=False).first()
if not cart:
cart= Cart.objects.create(owner=customer)
else:
cart= Cart.objects.filter(for_anonymoys_user=True).first()
if not cart:
cart= Cart.objects.create(for_anonymoys_user=True)
self.cart=cart
self.cart.save()
return super().dispatch(request,*args,**kwargs)
