def test_validate_membership_test_mode(event, customer, membership,
requiring_ticket, membership_type):
with pytest.raises(ValidationError) as excinfo:
membership.testmode = True
membership.save()
validate_memberships_in_order(
customer,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None,
testmode=False,
)
assert "test mode" in str(excinfo.value)
with pytest.raises(ValidationError) as excinfo:
membership.testmode = False
membership.save()
validate_memberships_in_order(
customer,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None,
testmode=True,
)
assert "test mode" in str(excinfo.value)
def test_validate_membership_max_usages(event, customer, membership,
requiring_ticket, membership_type):
membership_type.max_usages = 1
membership_type.allow_parallel_usage = True
membership_type.save()
o1 = Order.objects.create(
status=Order.STATUS_PENDING,
event=event,
email='admin@localhost',
datetime=now() - timedelta(days=3),
expires=now() + timedelta(days=11),
total=Decimal("23"),
)
OrderPosition.objects.create(order=o1,
item=requiring_ticket,
used_membership=membership,
variation=None,
price=Decimal("23"),
attendee_name_parts={'full_name': "Peter"})
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(
customer,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None)
assert "more than 1 time" in str(excinfo.value)
membership_type.max_usages = 2
membership_type.save()
validate_memberships_in_order(
customer,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None)
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(customer, [
CartPosition(item=requiring_ticket, used_membership=membership),
CartPosition(item=requiring_ticket, used_membership=membership),
],
event,
lock=False,
ignored_order=None)
assert "more than 2 times" in str(excinfo.value)
def _perform_operations(self):
vouchers_ok = self._get_voucher_availability()
quotas_ok = self._get_quota_availability()
err = None
new_cart_positions = []
self._operations.sort(key=lambda a: self.order[type(a)])
for op in self._operations:
if isinstance(op, self.RemoveOperation):
op.position.delete()
elif isinstance(op, self.AddOperation) or isinstance(op, self.ExtendOperation):
# Create a CartPosition for as much items as we can
requested_count = quota_available_count = voucher_available_count = op.count
if op.quotas:
quota_available_count = min(requested_count, min(quotas_ok[q] for q in op.quotas))
if op.voucher:
voucher_available_count = min(voucher_available_count, vouchers_ok[op.voucher])
if quota_available_count < 1:
err = err or error_messages['unavailable']
elif quota_available_count < requested_count:
err = err or error_messages['in_part']
if voucher_available_count < 1:
err = err or error_messages['voucher_redeemed']
elif voucher_available_count < requested_count:
err = err or error_messages['voucher_redeemed_partial'] % voucher_available_count
available_count = min(quota_available_count, voucher_available_count)
for q in op.quotas:
quotas_ok[q] -= available_count
if op.voucher:
vouchers_ok[op.voucher] -= available_count
if isinstance(op, self.AddOperation):
for k in range(available_count):
new_cart_positions.append(CartPosition(
event=self.event, item=op.item, variation=op.variation,
price=op.price, expires=self._expiry,
cart_id=self.cart_id, voucher=op.voucher
))
elif isinstance(op, self.ExtendOperation):
if available_count == 1:
op.position.expires = self._expiry
op.position.price = op.price
op.position.save()
elif available_count == 0:
op.position.delete()
else:
raise AssertionError("ExtendOperation cannot affect more than one item")
CartPosition.objects.bulk_create(new_cart_positions)
return err
def test_validate_membership_required(event, customer, membership,
requiring_ticket, membership_type):
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(customer,
[CartPosition(item=requiring_ticket, )],
event,
lock=False,
ignored_order=None)
assert "requires an active" in str(excinfo.value)
def test_validate_membership_wrong_type(event, customer, membership,
requiring_ticket, membership_type):
requiring_ticket.require_membership_types.clear()
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(
customer,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None)
assert "not allowed for the product" in str(excinfo.value)
def test_validate_membership_wrong_customer(event, customer, membership,
requiring_ticket, membership_type):
customer2 = event.organizer.customers.create(email="*****@*****.**")
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(
customer2,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None)
assert "different customer" in str(excinfo.value)
def test_validate_membership_wrong_date(event, customer, membership,
requiring_ticket, membership_type):
membership.date_start -= timedelta(days=100)
membership.date_end -= timedelta(days=100)
membership.save()
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(
customer,
[CartPosition(item=requiring_ticket, used_membership=membership)],
event,
lock=False,
ignored_order=None)
assert "taking place at" in str(excinfo.value)
def test_validate_membership_not_required(event, customer, membership,
granting_ticket, membership_type):
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(
customer,
[CartPosition(
item=granting_ticket,
used_membership=membership,
)],
event,
lock=False,
ignored_order=None)
assert "does not require" in str(excinfo.value)
def test_validate_membership_ensure_locking(event, customer, membership,
requiring_ticket, membership_type,
django_assert_num_queries):
with django_assert_num_queries(4) as captured:
validate_memberships_in_order(customer, [
CartPosition(
item=requiring_ticket,
used_membership=membership,
)
],
event,
lock=True,
ignored_order=None)
if 'sqlite' not in settings.DATABASES['default']['ENGINE']:
assert any('FOR UPDATE' in s['sql'] for s in captured)
def create_cart(self, sc, expires):
with transaction.atomic():
with self.request.event.lock():
positions = []
quotas = Counter()
for form in self.formset.forms:
if '-' in form.cleaned_data['itemvar']:
itemid, varid = form.cleaned_data['itemvar'].split('-')
else:
itemid, varid = form.cleaned_data['itemvar'], None
item = Item.objects.get(pk=itemid,
event=self.request.event)
variation = ItemVariation.objects.get(
pk=varid, item=item) if varid else None
price = form.cleaned_data['price']
if not price:
price = (variation.default_price if variation
and variation.default_price is not None else
item.default_price)
for quota in item.quotas.all():
quotas[quota] += form.cleaned_data['count']
for i in range(form.cleaned_data['count']):
positions.append(
CartPosition(item=item,
variation=variation,
event=self.request.event,
cart_id=sc.cart_id,
expires=expires,
price=price))
for quota, diff in quotas.items():
avail = quota.availability()
if avail[0] != Quota.AVAILABILITY_OK or (
avail[1] is not None and avail[1] < diff):
raise CartError(self.error_messages['quota'].format(
name=quota.name))
sc.expires = expires
sc.event = self.request.event
sc.total = sum([p.price for p in positions])
sc.save()
CartPosition.objects.bulk_create(positions)
def test_validate_membership_parallel(event, customer, membership, subevent,
requiring_ticket, membership_type):
se2 = event.subevents.create(
name='Foo',
date_from=TZ.localize(datetime(2021, 4, 28, 10, 0, 0, 0)),
)
membership_type.allow_parallel_usage = False
membership_type.save()
o1 = Order.objects.create(
status=Order.STATUS_PENDING,
event=event,
email='admin@localhost',
datetime=now() - timedelta(days=3),
expires=now() + timedelta(days=11),
total=Decimal("23"),
)
OrderPosition.objects.create(order=o1,
item=requiring_ticket,
used_membership=membership,
variation=None,
subevent=subevent,
price=Decimal("23"),
attendee_name_parts={'full_name': "Peter"})
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(customer, [
CartPosition(item=requiring_ticket,
used_membership=membership,
subevent=subevent)
],
event,
lock=False,
ignored_order=None)
assert "different ticket at the same time" in str(excinfo.value)
validate_memberships_in_order(customer, [
CartPosition(
item=requiring_ticket, used_membership=membership, subevent=se2)
],
event,
lock=False,
ignored_order=None)
with pytest.raises(ValidationError) as excinfo:
validate_memberships_in_order(customer, [
CartPosition(item=requiring_ticket,
used_membership=membership,
subevent=se2),
CartPosition(item=requiring_ticket,
used_membership=membership,
subevent=se2)
],
event,
lock=False,
ignored_order=None)
assert "different ticket at the same time" in str(excinfo.value)
membership_type.allow_parallel_usage = True
membership_type.save()
validate_memberships_in_order(customer, [
CartPosition(item=requiring_ticket,
used_membership=membership,
subevent=subevent)
],
event,
lock=False,
ignored_order=None)
def _perform_operations(self):
vouchers_ok = self._get_voucher_availability()
quotas_ok = self._get_quota_availability()
err = None
new_cart_positions = []
err = err or self._check_min_per_product()
self._operations.sort(key=lambda a: self.order[type(a)])
for op in self._operations:
if isinstance(op, self.RemoveOperation):
if op.position.expires > self.now_dt:
for q in op.position.quotas:
quotas_ok[q] += 1
op.position.addons.all().delete()
op.position.delete()
elif isinstance(op, self.AddOperation) or isinstance(
op, self.ExtendOperation):
# Create a CartPosition for as much items as we can
requested_count = quota_available_count = voucher_available_count = op.count
if op.quotas:
quota_available_count = min(
requested_count, min(quotas_ok[q] for q in op.quotas))
if op.voucher:
voucher_available_count = min(voucher_available_count,
vouchers_ok[op.voucher])
if quota_available_count < 1:
err = err or error_messages['unavailable']
elif quota_available_count < requested_count:
err = err or error_messages['in_part']
if voucher_available_count < 1:
if op.voucher in self._voucher_depend_on_cart:
err = err or error_messages[
'voucher_redeemed_cart'] % self.event.settings.reservation_time
else:
err = err or error_messages['voucher_redeemed']
elif voucher_available_count < requested_count:
err = err or error_messages[
'voucher_redeemed_partial'] % voucher_available_count
available_count = min(quota_available_count,
voucher_available_count)
for q in op.quotas:
quotas_ok[q] -= available_count
if op.voucher:
vouchers_ok[op.voucher] -= available_count
if isinstance(op, self.AddOperation):
for k in range(available_count):
new_cart_positions.append(
CartPosition(
event=self.event,
item=op.item,
variation=op.variation,
price=op.price.gross,
expires=self._expiry,
cart_id=self.cart_id,
voucher=op.voucher,
addon_to=op.addon_to if op.addon_to else None,
subevent=op.subevent,
includes_tax=op.includes_tax))
elif isinstance(op, self.ExtendOperation):
if available_count == 1:
op.position.expires = self._expiry
op.position.price = op.price.gross
op.position.save()
elif available_count == 0:
op.position.delete()
else:
raise AssertionError(
"ExtendOperation cannot affect more than one item")
CartPosition.objects.bulk_create(new_cart_positions)
return err
def _perform_operations(self):
vouchers_ok = self._get_voucher_availability()
quotas_ok = self._get_quota_availability()
err = None
new_cart_positions = []
err = err or self._check_min_per_product()
self._operations.sort(key=lambda a: self.order[type(a)])
for op in self._operations:
if isinstance(op, self.RemoveOperation):
if op.position.expires > self.now_dt:
for q in op.position.quotas:
quotas_ok[q] += 1
op.position.addons.all().delete()
op.position.delete()
elif isinstance(op, self.AddOperation) or isinstance(op, self.ExtendOperation):
# Create a CartPosition for as much items as we can
requested_count = quota_available_count = voucher_available_count = op.count
if op.quotas:
quota_available_count = min(requested_count, min(quotas_ok[q] for q in op.quotas))
if op.voucher:
voucher_available_count = min(voucher_available_count, vouchers_ok[op.voucher])
if quota_available_count < 1:
err = err or error_messages['unavailable']
elif quota_available_count < requested_count:
err = err or error_messages['in_part']
if voucher_available_count < 1:
if op.voucher in self._voucher_depend_on_cart:
err = err or error_messages['voucher_redeemed_cart'] % self.event.settings.reservation_time
else:
err = err or error_messages['voucher_redeemed']
elif voucher_available_count < requested_count:
err = err or error_messages['voucher_redeemed_partial'] % voucher_available_count
available_count = min(quota_available_count, voucher_available_count)
for q in op.quotas:
quotas_ok[q] -= available_count
if op.voucher:
vouchers_ok[op.voucher] -= available_count
if isinstance(op, self.AddOperation):
for k in range(available_count):
cp = CartPosition(
event=self.event, item=op.item, variation=op.variation,
price=op.price.gross, expires=self._expiry, cart_id=self.cart_id,
voucher=op.voucher, addon_to=op.addon_to if op.addon_to else None,
subevent=op.subevent, includes_tax=op.includes_tax
)
if self.event.settings.attendee_names_asked:
scheme = PERSON_NAME_SCHEMES.get(self.event.settings.name_scheme)
if 'attendee-name' in self._widget_data:
cp.attendee_name_parts = {'_legacy': self._widget_data['attendee-name']}
if any('attendee-name-{}'.format(k.replace('_', '-')) in self._widget_data for k, l, w
in scheme['fields']):
cp.attendee_name_parts = {
k: self._widget_data.get('attendee-name-{}'.format(k.replace('_', '-')), '')
for k, l, w in scheme['fields']
}
if self.event.settings.attendee_emails_asked and 'email' in self._widget_data:
cp.attendee_email = self._widget_data.get('email')
cp._answers = {}
for k, v in self._widget_data.items():
if not k.startswith('question-'):
continue
q = cp.item.questions.filter(ask_during_checkin=False, identifier__iexact=k[9:]).first()
if q:
try:
cp._answers[q] = q.clean_answer(v)
except ValidationError:
pass
new_cart_positions.append(cp)
elif isinstance(op, self.ExtendOperation):
if available_count == 1:
op.position.expires = self._expiry
op.position.price = op.price.gross
op.position.save()
elif available_count == 0:
op.position.delete()
else:
raise AssertionError("ExtendOperation cannot affect more than one item")
for p in new_cart_positions:
if p._answers:
p.save()
_save_answers(p, {}, p._answers)
CartPosition.objects.bulk_create([p for p in new_cart_positions if not p._answers])
return err
def _perform_operations(self):
vouchers_ok = self._get_voucher_availability()
quotas_ok = self._get_quota_availability()
err = None
new_cart_positions = []
err = err or self._check_min_per_product()
self._operations.sort(key=lambda a: self.order[type(a)])
for op in self._operations:
if isinstance(op, self.RemoveOperation):
if op.position.expires > self.now_dt:
for q in op.position.quotas:
quotas_ok[q] += 1
op.position.addons.all().delete()
op.position.delete()
elif isinstance(op, self.AddOperation) or isinstance(
op, self.ExtendOperation):
# Create a CartPosition for as much items as we can
requested_count = quota_available_count = voucher_available_count = op.count
if op.quotas:
quota_available_count = min(
requested_count, min(quotas_ok[q] for q in op.quotas))
if op.voucher:
voucher_available_count = min(voucher_available_count,
vouchers_ok[op.voucher])
if quota_available_count < 1:
err = err or error_messages['unavailable']
elif quota_available_count < requested_count:
err = err or error_messages['in_part']
if voucher_available_count < 1:
if op.voucher in self._voucher_depend_on_cart:
err = err or error_messages[
'voucher_redeemed_cart'] % self.event.settings.reservation_time
else:
err = err or error_messages['voucher_redeemed']
elif voucher_available_count < requested_count:
err = err or error_messages[
'voucher_redeemed_partial'] % voucher_available_count
available_count = min(quota_available_count,
voucher_available_count)
for q in op.quotas:
quotas_ok[q] -= available_count
if op.voucher:
vouchers_ok[op.voucher] -= available_count
if isinstance(op, self.AddOperation):
for k in range(available_count):
cp = CartPosition(
event=self.event,
item=op.item,
variation=op.variation,
price=op.price.gross,
expires=self._expiry,
cart_id=self.cart_id,
voucher=op.voucher,
addon_to=op.addon_to if op.addon_to else None,
subevent=op.subevent,
includes_tax=op.includes_tax)
if self.event.settings.attendee_names_asked:
scheme = PERSON_NAME_SCHEMES.get(
self.event.settings.name_scheme)
if 'attendee-name' in self._widget_data:
cp.attendee_name_parts = {
'_legacy':
self._widget_data['attendee-name']
}
if any('attendee-name-{}'.format(
k.replace('_', '-')) in self._widget_data
for k, l, w in scheme['fields']):
cp.attendee_name_parts = {
k: self._widget_data.get(
'attendee-name-{}'.format(
k.replace('_', '-')), '')
for k, l, w in scheme['fields']
}
if self.event.settings.attendee_emails_asked and 'email' in self._widget_data:
cp.attendee_email = self._widget_data.get('email')
cp._answers = {}
for k, v in self._widget_data.items():
if not k.startswith('question-'):
continue
q = cp.item.questions.filter(
ask_during_checkin=False,
identifier__iexact=k[9:]).first()
if q:
try:
cp._answers[q] = q.clean_answer(v)
except ValidationError:
pass
new_cart_positions.append(cp)
elif isinstance(op, self.ExtendOperation):
if available_count == 1:
op.position.expires = self._expiry
op.position.price = op.price.gross
op.position.save()
elif available_count == 0:
op.position.addons.all().delete()
op.position.delete()
else:
raise AssertionError(
"ExtendOperation cannot affect more than one item")
for p in new_cart_positions:
if p._answers:
p.save()
_save_answers(p, {}, p._answers)
CartPosition.objects.bulk_create(
[p for p in new_cart_positions if not p._answers])
return err
def process(self):
expiry = now() + timedelta(minutes=self.request.event.settings.get('reservation_time', as_type=int))
self._extend_existing(expiry)
self._initial_checks()
# Fetch items from the database
items_cache = {
i.identity: i for i
in Item.objects.current.filter(
event=self.request.event,
identity__in=[i[0] for i in self.items]
).prefetch_related("quotas")
}
variations_cache = {
v.identity: v for v
in ItemVariation.objects.current.filter(
item__event=self.request.event,
identity__in=[i[1] for i in self.items if i[1] is not None]
).select_related("item", "item__event").prefetch_related("quotas", "values", "values__prop")
}
try:
with self.request.event.lock():
# Process the request itself
for i in self.items:
# Check whether the specified items are part of what we just fetched from the database
# If they are not, the user supplied item IDs which either do not exist or belong to
# a different event
if i[0] not in items_cache or (i[1] is not None and i[1] not in variations_cache):
self.error_message(self.error_messages['not_for_sale'])
return redirect(self.get_failure_url())
item = items_cache[i[0]]
variation = variations_cache[i[1]] if i[1] is not None else None
# Execute restriction plugins to check whether they (a) change the price or
# (b) make the item/variation unavailable. If neither is the case, check_restriction
# will correctly return the default price
price = item.check_restrictions() if variation is None else variation.check_restrictions()
# Fetch all quotas. If there are no quotas, this item is not allowed to be sold.
quotas = list(item.quotas.all()) if variation is None else list(variation.quotas.all())
if price is False or len(quotas) == 0 or not item.active:
self.error_message(self.error_messages['unavailable'])
continue
# Assume that all quotas allow us to buy i[2] instances of the object
quota_ok = i[2]
for quota in quotas:
avail = quota.availability()
if avail[1] < i[2]:
# This quota is not available or less than i[2] items are left, so we have to
# reduce the number of bought items
self.error_message(
self.error_messages['unavailable']
if avail[0] != Quota.AVAILABILITY_OK
else self.error_messages['in_part']
)
quota_ok = min(quota_ok, avail[1])
# Create a CartPosition for as much items as we can
for k in range(quota_ok):
if len(i) > 3 and i[2] == 1:
# Recreating
cp = i[3].clone()
cp.expires = expiry
cp.price = price
cp.save()
else:
cp = CartPosition(
event=self.request.event,
item=item,
variation=variation,
price=price,
expires=expiry
)
if self.request.user.is_authenticated():
cp.user = self.request.user
else:
cp.session = self.request.session.session_key
cp.save()
self._delete_expired()
if not self.msg_some_unavailable:
messages.success(self.request, _('The products have been successfully added to your cart.'))
return redirect(self.get_success_url())
except EventLock.LockTimeoutException:
# Is raised when there are too many threads asking for quota locks and we were
# unaible to get one
self.error_message(self.error_messages['busy'], important=True)
def _perform_operations(self):
vouchers_ok = self._get_voucher_availability()
quotas_ok = self._get_quota_availability()
err = None
new_cart_positions = []
err = err or self._check_min_per_product()
self._operations.sort(key=lambda a: self.order[type(a)])
for op in self._operations:
if isinstance(op, self.RemoveOperation):
if op.position.expires > self.now_dt:
for q in op.position.quotas:
quotas_ok[q] += 1
op.position.addons.all().delete()
op.position.delete()
elif isinstance(op, self.AddOperation) or isinstance(op, self.ExtendOperation):
# Create a CartPosition for as much items as we can
requested_count = quota_available_count = voucher_available_count = op.count
if op.quotas:
quota_available_count = min(requested_count, min(quotas_ok[q] for q in op.quotas))
if op.voucher:
voucher_available_count = min(voucher_available_count, vouchers_ok[op.voucher])
if quota_available_count < 1:
err = err or error_messages['unavailable']
elif quota_available_count < requested_count:
err = err or error_messages['in_part']
if voucher_available_count < 1:
if op.voucher in self._voucher_depend_on_cart:
err = err or error_messages['voucher_redeemed_cart'] % self.event.settings.reservation_time
else:
err = err or error_messages['voucher_redeemed']
elif voucher_available_count < requested_count:
err = err or error_messages['voucher_redeemed_partial'] % voucher_available_count
available_count = min(quota_available_count, voucher_available_count)
if isinstance(op, self.AddOperation):
for b in op.bundled:
b_quota_available_count = min(available_count * b.count, min(quotas_ok[q] for q in b.quotas))
if b_quota_available_count < b.count:
err = err or error_messages['unavailable']
available_count = 0
elif b_quota_available_count < available_count * b.count:
err = err or error_messages['in_part']
available_count = b_quota_available_count // b.count
for q in b.quotas:
quotas_ok[q] -= available_count * b.count
# TODO: is this correct?
for q in op.quotas:
quotas_ok[q] -= available_count
if op.voucher:
vouchers_ok[op.voucher] -= available_count
if any(qa < 0 for qa in quotas_ok.values()):
# Safeguard, shouldn't happen
err = err or error_messages['unavailable']
available_count = 0
if isinstance(op, self.AddOperation):
for k in range(available_count):
cp = CartPosition(
event=self.event, item=op.item, variation=op.variation,
price=op.price.gross, expires=self._expiry, cart_id=self.cart_id,
voucher=op.voucher, addon_to=op.addon_to if op.addon_to else None,
subevent=op.subevent, includes_tax=op.includes_tax
)
if self.event.settings.attendee_names_asked:
scheme = PERSON_NAME_SCHEMES.get(self.event.settings.name_scheme)
if 'attendee-name' in self._widget_data:
cp.attendee_name_parts = {'_legacy': self._widget_data['attendee-name']}
if any('attendee-name-{}'.format(k.replace('_', '-')) in self._widget_data for k, l, w
in scheme['fields']):
cp.attendee_name_parts = {
k: self._widget_data.get('attendee-name-{}'.format(k.replace('_', '-')), '')
for k, l, w in scheme['fields']
}
if self.event.settings.attendee_emails_asked and 'email' in self._widget_data:
cp.attendee_email = self._widget_data.get('email')
cp._answers = {}
for k, v in self._widget_data.items():
if not k.startswith('question-'):
continue
q = cp.item.questions.filter(ask_during_checkin=False, identifier__iexact=k[9:]).first()
if q:
try:
cp._answers[q] = q.clean_answer(v)
except ValidationError:
pass
if op.bundled:
cp.save() # Needs to be in the database already so we have a PK that we can reference
for b in op.bundled:
for j in range(b.count):
new_cart_positions.append(CartPosition(
event=self.event, item=b.item, variation=b.variation,
price=b.price.gross, expires=self._expiry, cart_id=self.cart_id,
voucher=None, addon_to=cp,
subevent=b.subevent, includes_tax=b.includes_tax, is_bundled=True
))
new_cart_positions.append(cp)
elif isinstance(op, self.ExtendOperation):
if available_count == 1:
op.position.expires = self._expiry
op.position.price = op.price.gross
try:
op.position.save(force_update=True)
except DatabaseError:
# Best effort... The position might have been deleted in the meantime!
pass
elif available_count == 0:
op.position.addons.all().delete()
op.position.delete()
else:
raise AssertionError("ExtendOperation cannot affect more than one item")
for p in new_cart_positions:
if getattr(p, '_answers', None):
if not p.pk: # We stored some to the database already before
p.save()
_save_answers(p, {}, p._answers)
CartPosition.objects.bulk_create([p for p in new_cart_positions if not getattr(p, '_answers', None) and not p.pk])
return err