def get_or_create_cart(request, save=False):
"""
Return cart for current visitor.
For a logged in user, try to get the cart from the database. If it's not there or it's empty,
use the cart from the session.
If the user is not logged in use the cart from the session.
If there is no cart object in the database or session, create one.
If ``save`` is True, cart object will be explicitly saved.
"""
cart = None
if not hasattr(request, '_cart'):
is_logged_in = request.user and not isinstance(request.user,
AnonymousUser)
if is_logged_in:
# if we are authenticated
session_cart = get_cart_from_session(request)
if session_cart and session_cart.user == request.user:
# and the session cart already belongs to us, we are done
cart = session_cart
elif session_cart and session_cart.total_quantity > 0 and session_cart.user != request.user:
# if it does not belong to us yet
database_cart = get_cart_from_database(request)
if database_cart:
# and there already is a cart that belongs to us in the database
# delete the old database cart
database_cart.delete()
database_cart = None
# save the user to the new one from the session
session_cart.user = request.user
session_cart.save()
cart = session_cart
else:
# if there is no session_cart, or it's empty, use the database cart
cart = get_cart_from_database(request)
if cart:
# and save it to the session
request.session['cart_id'] = cart.id
else:
# not authenticated? cart might be in session
cart = get_cart_from_session(request)
if not cart:
# in case it's our first visit and no cart was created yet
if is_logged_in:
cart = Cart(user=request.user)
elif getattr(request, 'session', None) is not None:
cart = Cart()
if save and not cart.pk:
cart.save()
request.session['cart_id'] = cart.id
setattr(request, '_cart', cart)
cart = getattr(request, '_cart') # There we *must* have a cart
return cart
def setUp(self):
self.user = User.objects.create(username="******",
email="*****@*****.**",
first_name="Test",
last_name="Toto")
self.request = Mock()
setattr(self.request, 'user', self.user)
setattr(self.request, 'session', {})
setattr(self.request, 'method', 'GET')
self.cart = Cart()
self.cart.user = self.user
self.cart.save()
def setUp(self):
self.user = User.objects.create(username="******",
email="*****@*****.**",
first_name="Test",
last_name="Toto")
self.request = Mock()
setattr(self.request, 'user', self.user)
setattr(self.request, 'session', {})
setattr(self.request, 'method', 'GET')
self.product = Product(name='pizza', slug='pizza', unit_price='1.45')
self.product.save()
self.cart = Cart()
self.cart.user = self.user
self.cart.save()
def create_fixtures(self):
cart_modifiers_pool.USE_CACHE=False
self.user = User.objects.create(username="******",
email="*****@*****.**",
first_name="Test",
last_name = "Toto")
self.product = Product()
self.product.name = "TestPrduct"
self.product.slug = "TestPrduct"
self.product.short_description = "TestPrduct"
self.product.long_description = "TestPrduct"
self.product.active = True
self.product.unit_price = self.PRODUCT_PRICE
self.product.save()
self.cart = Cart()
self.cart.user = self.user
self.cart.save()
self.client = Client()
self.client.user = self.user
self.client.save()
self.country = Country.objects.create(name='CH')
self.address = Address()
self.address.client = self.client
self.address.address = 'address'
self.address.address2 = 'address2'
self.address.zip_code = '1234'
self.address.state = 'ZH'
self.address.country = self.country
self.address.is_billing = True
self.address.is_shipping = True
self.address.save()
self.address2 = Address()
self.address2.client = self.client
self.address2.address = '2address'
self.address2.address2 = '2address2'
self.address2.zip_code = '21234'
self.address2.state = '2ZH'
self.address2.country = self.country
self.address2.is_billing = True
self.address2.is_shipping = False
self.address2.save()
def setUp(self):
cart_modifiers_pool.USE_CACHE = False
self.user = User.objects.create(username="******",
email="*****@*****.**")
self.product = Product()
self.product.name = "TestPrduct"
self.product.slug = "TestPrduct"
self.product.short_description = "TestPrduct"
self.product.long_description = "TestPrduct"
self.product.active = True
self.product.unit_price = self.PRODUCT_PRICE
self.product.save()
self.cart = Cart()
self.cart.user = self.user
self.cart.save()
def setUp(self):
cart_modifiers_pool.USE_CACHE = False
user = User.objects.create(username="******", email="*****@*****.**")
self.request = Mock()
setattr(self.request, 'user', user)
self.product = Product()
self.product.name = "TestPrduct"
self.product.slug = "TestPrduct"
self.product.short_description = "TestPrduct"
self.product.long_description = "TestPrduct"
self.product.active = True
self.product.unit_price = self.PRODUCT_PRICE
self.product.save()
self.inactive_product = Product(name='InactiveProduct', slug='InactiveProduct', active=False)
self.inactive_product.save()
self.cart = Cart()
self.cart.user = user
self.cart.save()
def create_fixtures(self):
cart_modifiers_pool.USE_CACHE = False
self.user = User.objects.create(username="******",
email="*****@*****.**",
first_name="Test",
last_name="Toto")
self.product = Product()
self.product.name = "TestPrduct"
self.product.slug = "TestPrduct"
self.product.short_description = "TestPrduct"
self.product.long_description = "TestPrduct"
self.product.active = True
self.product.unit_price = self.PRODUCT_PRICE
self.product.save()
self.ogroup = OptionGroup()
self.ogroup.product = self.product
self.ogroup.name = 'Test group'
self.ogroup.save()
self.option = Option()
self.option.group = self.ogroup
self.option.name = "Awesome"
self.option.price = self.AWESOME_OPTION_PRICE
self.option.save()
self.cart = Cart()
self.cart.user = self.user
self.cart.save()
self.cartitem = CartItem()
self.cartitem.cart = self.cart
self.cartitem.quantity = 1
self.cartitem.product = self.product
self.cartitem.save()
