def check_payment_data_is_captured(self, request):
# this method only ever gets invoked when visiting checkout:preview
# let POST requests through
if request.method == 'POST':
return
# Check to see if payment is actually required for this order.
shipping_address = self.get_shipping_address(request.basket)
shipping_method = self.get_shipping_method(request.basket,
shipping_address)
if shipping_method:
shipping_charge = shipping_method.calculate(request.basket)
else:
# It's unusual to get here as a shipping method should be set by
# the time this skip-condition is called. In the absence of any
# other evidence, we assume the shipping charge is zero.
shipping_charge = prices.Price(currency=request.basket.currency,
excl_tax=D('0.00'),
tax=D('0.00'))
total = self.get_order_totals(request.basket, shipping_charge)
# bounce requests without a payment method set
if not self.checkout_session.payment_method() and total.excl_tax != D(
'0.00'):
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-details'), )
# bounce requests which specify a card,
# as the CC info only exists on the page and not in the DB
if self.checkout_session.payment_method() == 'card':
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-details'), )
def check_a_valid_shipping_address_is_captured(self):
# Check that shipping address has been completed
if not self.checkout_session.is_shipping_address_set():
raise exceptions.FailedPreCondition(
url=reverse('checkout:shipping-address'),
message=_("Please choose a shipping address"))
# Check that the previously chosen shipping address is still valid
shipping_address = self.get_shipping_address(
basket=self.request.basket)
if not shipping_address and not self.request.basket.custom_ledger:
raise exceptions.FailedPreCondition(
url=reverse('checkout:shipping-address'),
message=_("Your previously chosen shipping address is "
"no longer valid. Please choose another one"))
def check_basket_is_valid(self, request):
"""
Check that the basket is permitted to be submitted as an order. That
is, all the basket lines are available to buy - nothing has gone out of
stock since it was added to the basket.
"""
messages = []
strategy = request.strategy
for line in request.basket.all_lines():
result = strategy.fetch_for_line(line)
is_permitted, reason = result.availability.is_purchase_permitted(
line.quantity)
if not is_permitted:
# Create a more meaningful message to show on the basket page
msg = _(
"'%(title)s' is no longer available to buy (%(reason)s). "
"Please adjust your basket to continue"
) % {
'title': line.product.get_title(),
'reason': reason}
messages.append(msg)
if messages:
raise exceptions.FailedPreCondition(
url=reverse('basket:summary'),
messages=messages
)
def check_basket_is_not_empty(self, request):
if request.basket.is_empty:
raise exceptions.FailedPreCondition(
url=reverse('basket:summary'),
message=_(
"You need to add some items to your basket to checkout")
)
def check_if_checkout_is_active(self, request):
msg = 'There isn\'t an active checkout session available.'
if not self.checkout_session.system():
messages.error(self.request,msg)
raise exceptions.FailedPreCondition(
url=reverse('payments:payments-error')
)
def check_user_email_is_captured(self, request):
if not user_is_authenticated(request.user) \
and not self.checkout_session.get_guest_email():
raise exceptions.FailedPreCondition(
url=reverse('checkout:index'),
message=_("Please either sign in or enter your email address"))
def check_payment_data_is_captured(self, request):
# this method only ever gets invoked when visiting checkout:preview
# let POST requests through
if request.method == 'POST':
return
# bounce requests without a payment method set
if not self.checkout_session.payment_method():
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-details'), )
# bounce requests which specify a card,
# as the CC info only exists on the page and not in the DB
if self.checkout_session.payment_method() == 'card':
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-details'), )
def check_a_valid_shipping_method_is_captured(self):
# Check that shipping method has been set
if not self.checkout_session.is_shipping_method_set(
self.request.basket):
raise exceptions.FailedPreCondition(
url=reverse('checkout:shipping-method'),
message=_("Please choose a shipping method"))
# Check that a *valid* shipping method has been set
shipping_address = self.get_shipping_address(
basket=self.request.basket)
shipping_method = self.get_shipping_method(
basket=self.request.basket, shipping_address=shipping_address)
if not shipping_method:
raise exceptions.FailedPreCondition(
url=reverse('checkout:shipping-method'),
message=_("Your previously chosen shipping method is "
"no longer valid. Please choose another one"))
def check_payment_method_is_captured(self, request):
"""
Precheck for user has chosen payment method
if not chosen send to checkout:payment-method page
"""
if not self.checkout_session.payment_method():
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-method'),
message="Пожалуйста выберите метод оплаты")
def check_basket_has_required_quantity(self, request):
if request.basket.num_items < settings.OSCAR_MIN_BASKET_QUANTITY_THRESHOLD_WHOLESALE:
items_required = settings.OSCAR_MIN_BASKET_QUANTITY_THRESHOLD_WHOLESALE - request.basket.num_items
msg = mark_safe(
"<b>You need to add %s more item to your basket to checkout.</b>"
% items_required)
msg_plural = mark_safe(
"<b>You need to add %s more items to your basket to checkout.</b>"
% items_required)
raise exceptions.FailedPreCondition(url=reverse('basket:summary'),
message=ungettext_lazy(
msg, msg_plural,
items_required))
def check_shipping_data_is_captured(self, request):
if not request.basket.is_shipping_required():
# Even without shipping being required, we still need to check that
# a shipping method code has been set.
if not self.checkout_session.is_shipping_method_set(
self.request.basket):
raise exceptions.FailedPreCondition(
url=reverse('checkout:shipping-method'), )
return
# Basket requires shipping: check address and method are captured and
# valid.
self.check_a_valid_shipping_address_is_captured()
self.check_a_valid_shipping_method_is_captured()
def check_payment_data_is_captured(self, request):
"""
Validate that we have a card nonce stored from Square
"""
# Check to make sure we have a nonce from the payment processor
if not self.get_card_nonce():
msg = "We're sorry, we could not contact the payment processor."
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-details'),
message=msg)
# Run parent function; currently doesn't do anything, but may be
# implemented in the future
super().check_payment_data_is_captured(request)
def check_payment_data_is_captured(self, request):
if request.method != "POST":
raise exceptions.FailedPreCondition(
url=reverse('checkout:payment-details'),
message=_("Please enter your payment details"))
