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Tax rules: Allow to block countries from making a purchase

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This commit is contained in:
Raphael Michel
2020-11-22 13:27:58 +01:00
parent 168a6bae98
commit 6d9e1be844
8 changed files with 145 additions and 47 deletions
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3
src/pretix/base/services/cart.py
View File

@@ -106,6 +106,7 @@ error_messages = {
'seat_unavailable': _('The seat you selected has already been taken. Please select a different seat.'),
'seat_multiple': _('You can not select the same seat multiple times.'),
'gift_card': _("You entered a gift card instead of a voucher. Gift cards can be entered later on when you're asked for your payment details."),
'country_blocked': _('One of the selected products is not available in the selected country.'),
}
@@ -324,6 +325,8 @@ class CartManager:
custom_price_is_net=cp_is_net if cp_is_net is not None else self.event.settings.display_net_prices,
invoice_address=self.invoice_address, force_custom_price=force_custom_price, bundled_sum=bundled_sum
)
except TaxRule.SaleNotAllowed:
raise CartError(error_messages['country_blocked'])
except ValueError as e:
if str(e) == 'price_too_high':
raise CartError(error_messages['price_too_high'])

96
src/pretix/base/services/orders.py
View File

@@ -89,6 +89,7 @@ error_messages = {
'positions have been removed from your cart.'),
'seat_invalid': _('One of the seats in your order was invalid, we removed the position from your cart.'),
'seat_unavailable': _('One of the seats in your order has been taken in the meantime, we removed the position from your cart.'),
'country_blocked': _('One of the selected products is not available in the selected country.'),
}
logger = logging.getLogger(__name__)
@@ -615,34 +616,39 @@ def _check_positions(event: Event, now_dt: datetime, positions: List[CartPositio
current_discount = cp.price_before_voucher - cp.price
max_discount = max(v_budget[cp.voucher] + current_discount, 0)
if cp.is_bundled:
try:
bundle = cp.addon_to.item.bundles.get(bundled_item=cp.item, bundled_variation=cp.variation)
bprice = bundle.designated_price or 0
except ItemBundle.DoesNotExist:
bprice = cp.price
except ItemBundle.MultipleObjectsReturned:
raise OrderError("Invalid product configuration (duplicate bundle)")
price = get_price(cp.item, cp.variation, cp.voucher, bprice, cp.subevent, custom_price_is_net=False,
custom_price_is_tax_rate=cp.override_tax_rate,
invoice_address=address, force_custom_price=True, max_discount=max_discount)
pbv = get_price(cp.item, cp.variation, None, bprice, cp.subevent, custom_price_is_net=False,
custom_price_is_tax_rate=cp.override_tax_rate,
invoice_address=address, force_custom_price=True, max_discount=max_discount)
changed_prices[cp.pk] = bprice
else:
bundled_sum = 0
if not cp.addon_to_id:
for bundledp in cp.addons.all():
if bundledp.is_bundled:
bundled_sum += changed_prices.get(bundledp.pk, bundledp.price)
try:
if cp.is_bundled:
try:
bundle = cp.addon_to.item.bundles.get(bundled_item=cp.item, bundled_variation=cp.variation)
bprice = bundle.designated_price or 0
except ItemBundle.DoesNotExist:
bprice = cp.price
except ItemBundle.MultipleObjectsReturned:
raise OrderError("Invalid product configuration (duplicate bundle)")
price = get_price(cp.item, cp.variation, cp.voucher, bprice, cp.subevent, custom_price_is_net=False,
custom_price_is_tax_rate=cp.override_tax_rate,
invoice_address=address, force_custom_price=True, max_discount=max_discount)
pbv = get_price(cp.item, cp.variation, None, bprice, cp.subevent, custom_price_is_net=False,
custom_price_is_tax_rate=cp.override_tax_rate,
invoice_address=address, force_custom_price=True, max_discount=max_discount)
changed_prices[cp.pk] = bprice
else:
bundled_sum = 0
if not cp.addon_to_id:
for bundledp in cp.addons.all():
if bundledp.is_bundled:
bundled_sum += changed_prices.get(bundledp.pk, bundledp.price)
price = get_price(cp.item, cp.variation, cp.voucher, cp.price, cp.subevent, custom_price_is_net=False,
addon_to=cp.addon_to, invoice_address=address, bundled_sum=bundled_sum,
max_discount=max_discount, custom_price_is_tax_rate=cp.override_tax_rate)
pbv = get_price(cp.item, cp.variation, None, cp.price, cp.subevent, custom_price_is_net=False,
addon_to=cp.addon_to, invoice_address=address, bundled_sum=bundled_sum,
max_discount=max_discount, custom_price_is_tax_rate=cp.override_tax_rate)
price = get_price(cp.item, cp.variation, cp.voucher, cp.price, cp.subevent, custom_price_is_net=False,
addon_to=cp.addon_to, invoice_address=address, bundled_sum=bundled_sum,
max_discount=max_discount, custom_price_is_tax_rate=cp.override_tax_rate)
pbv = get_price(cp.item, cp.variation, None, cp.price, cp.subevent, custom_price_is_net=False,
addon_to=cp.addon_to, invoice_address=address, bundled_sum=bundled_sum,
max_discount=max_discount, custom_price_is_tax_rate=cp.override_tax_rate)
except TaxRule.SaleNotAllowed:
err = err or error_messages['country_blocked']
cp.delete()
continue
if max_discount is not None:
v_budget[cp.voucher] = v_budget[cp.voucher] + current_discount - (pbv.gross - price.gross)
@@ -1174,6 +1180,7 @@ class OrderChangeManager:
'seat_subevent_mismatch': _('You selected seat "{seat}" for a date that does not match the selected ticket date. Please choose a seat again.'),
'seat_required': _('The selected product requires you to select a seat.'),
'seat_forbidden': _('The selected product does not allow to select a seat.'),
'tax_rule_country_blocked': _('The selected country is blocked by your tax rule.'),
'gift_card_change': _('You cannot change the price of a position that has been used to issue a gift card.'),
}
ItemOperation = namedtuple('ItemOperation', ('position', 'item', 'variation'))
@@ -1241,8 +1248,11 @@ class OrderChangeManager:
self._operations.append(self.SeatOperation(position, seat))
def change_subevent(self, position: OrderPosition, subevent: SubEvent):
price = get_price(position.item, position.variation, voucher=position.voucher, subevent=subevent,
invoice_address=self._invoice_address)
try:
price = get_price(position.item, position.variation, voucher=position.voucher, subevent=subevent,
invoice_address=self._invoice_address)
except TaxRule.SaleNotAllowed:
raise OrderError(self.error_messages['tax_rule_country_blocked'])
if price is None: # NOQA
raise OrderError(self.error_messages['product_invalid'])
@@ -1262,8 +1272,11 @@ class OrderChangeManager:
if (not variation and item.has_variations) or (variation and variation.item_id != item.pk):
raise OrderError(self.error_messages['product_without_variation'])
price = get_price(item, variation, voucher=position.voucher, subevent=subevent,
invoice_address=self._invoice_address)
try:
price = get_price(item, variation, voucher=position.voucher, subevent=subevent,
invoice_address=self._invoice_address)
except TaxRule.SaleNotAllowed:
raise OrderError(self.error_messages['tax_rule_country_blocked'])
if price is None: # NOQA
raise OrderError(self.error_messages['product_invalid'])
@@ -1321,7 +1334,10 @@ class OrderChangeManager:
if not pos.price:
continue
new_rate = tax_rule.tax_rate_for(ia)
try:
new_rate = tax_rule.tax_rate_for(ia)
except TaxRule.SaleNotAllowed:
raise OrderError(error_messages['tax_rule_country_blocked'])
# We use override_tax_rate to make sure .tax() doesn't get clever and re-adjusts the pricing itself
if new_rate != pos.tax_rate:
if keep == 'net':
@@ -1374,10 +1390,13 @@ class OrderChangeManager:
except Seat.DoesNotExist:
raise OrderError(error_messages['seat_invalid'])
if price is None:
price = get_price(item, variation, subevent=subevent, invoice_address=self._invoice_address)
else:
price = item.tax(price, base_price_is='gross', invoice_address=self._invoice_address)
try:
if price is None:
price = get_price(item, variation, subevent=subevent, invoice_address=self._invoice_address)
else:
price = item.tax(price, base_price_is='gross', invoice_address=self._invoice_address)
except TaxRule.SaleNotAllowed:
raise OrderError(self.error_messages['tax_rule_country_blocked'])
if price is None:
raise OrderError(self.error_messages['product_invalid'])
@@ -1952,7 +1971,10 @@ class OrderChangeManager:
self._check_quotas()
self._check_seats()
self._check_complete_cancel()
self._perform_operations()
try:
self._perform_operations()
except TaxRule.SaleNotAllowed:
raise OrderError(self.error_messages['tax_rule_country_blocked'])
self._recalculate_total_and_payment_fee()
self._reissue_invoice()
self._clear_tickets_cache()