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Add codification of tax rates (#4372)

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* draft

* .

* Rebase migration

* Update src/pretix/base/models/tax.py

Co-authored-by: Mira <weller@rami.io>

* Test, isort, flake, migration rebase

* carry data & API

* Fix failing tests

* docs fixes

* Improve validation

* Tests

* More fixes

---------

Co-authored-by: Mira <weller@rami.io>
This commit is contained in:
Raphael Michel
2024-12-13 12:04:38 +01:00
committed by GitHub
parent a4385c8b6e
commit 53f129d5d3
36 changed files with 818 additions and 124 deletions
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10
src/pretix/base/services/orders.py
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@@ -1721,16 +1721,17 @@ class OrderChangeManager:
try:
new_rate = tax_rule.tax_rate_for(ia)
new_code = tax_rule.tax_code_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 new_rate != pos.tax_rate or new_code != pos.tax_code:
if keep == 'net':
new_tax = tax_rule.tax(pos.price - pos.tax_value, base_price_is='net', currency=self.event.currency,
override_tax_rate=new_rate)
override_tax_rate=new_rate, override_tax_code=new_code)
else:
new_tax = tax_rule.tax(pos.price, base_price_is='gross', currency=self.event.currency,
override_tax_rate=new_rate)
override_tax_rate=new_rate, override_tax_code=new_code)
self._totaldiff += new_tax.gross - pos.price
self._operations.append(self.PriceOperation(pos, new_tax, new_tax.gross - pos.price))
self._invoice_dirty = True
@@ -2304,6 +2305,7 @@ class OrderChangeManager:
op.position.price = op.price.gross
op.position.tax_rate = op.price.rate
op.position.tax_value = op.price.tax
op.position.tax_code = op.price.code
op.position.save()
elif isinstance(op, self.TaxRuleOperation):
if isinstance(op.position, OrderPosition):
@@ -2400,7 +2402,7 @@ class OrderChangeManager:
elif isinstance(op, self.AddOperation):
pos = OrderPosition.objects.create(
item=op.item, variation=op.variation, addon_to=op.addon_to,
price=op.price.gross, order=self.order, tax_rate=op.price.rate,
price=op.price.gross, order=self.order, tax_rate=op.price.rate, tax_code=op.price.code,
tax_value=op.price.tax, tax_rule=op.item.tax_rule,
positionid=nextposid, subevent=op.subevent, seat=op.seat,
used_membership=op.membership, valid_from=op.valid_from, valid_until=op.valid_until,