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Tax rules and reverse charge (#559)

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Tax rules and reverse charge
This commit is contained in:
Raphael Michel
2017-08-23 13:13:16 +03:00
committed by GitHub
parent b9ec5ea83c
commit 56338be13e
82 changed files with 2934 additions and 428 deletions
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48
src/pretix/presale/views/__init__.py
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@@ -7,8 +7,8 @@ from django.db.models import Sum
from django.utils.functional import cached_property
from django.utils.timezone import now
from pretix.base.decimal import round_decimal
from pretix.base.models import CartPosition, OrderPosition
from pretix.base.models import CartPosition, InvoiceAddress, OrderPosition
from pretix.base.models.tax import TaxRule
from pretix.presale.signals import question_form_fields
@@ -20,7 +20,7 @@ class CartMixin:
"""
return list(get_cart(self.request))
def get_cart(self, answers=False, queryset=None, payment_fee=None, payment_fee_tax_rate=None, downloads=False):
def get_cart(self, answers=False, queryset=None, order=None, downloads=False):
if queryset:
prefetch = []
if answers:
@@ -90,6 +90,7 @@ class CartMixin:
group.total = group.count * group.price
group.net_total = group.count * group.net_price
group.has_questions = answers and k[0] != ""
group.tax_rule = group.item.tax_rule
if answers:
group.cache_answers()
group.additional_answers = pos_additional_fields.get(group.pk)
@@ -99,14 +100,35 @@ class CartMixin:
net_total = sum(p.net_total for p in positions)
tax_total = sum(p.total - p.net_total for p in positions)
payment_fee = payment_fee if payment_fee is not None else self.get_payment_fee(total)
payment_fee_tax_rate = round_decimal(payment_fee_tax_rate
if payment_fee_tax_rate is not None
else self.request.event.settings.tax_rate_default)
payment_fee_tax_value = round_decimal(payment_fee * (1 - 100 / (100 + payment_fee_tax_rate)))
payment_fee_net = payment_fee - payment_fee_tax_value
tax_total += payment_fee_tax_value
net_total += payment_fee_net
if order:
payment_fee = order.payment_fee
tax_total += order.payment_fee_tax_value
payment_fee_net = order.payment_fee - order.payment_fee_tax_value
net_total += payment_fee_net
payment_fee_tax_rule = order.payment_fee_tax_rule
payment_fee_tax_rate = order.payment_fee_tax_rate
else:
payment_fee = self.get_payment_fee(total)
payment_fee_tax_rule = self.request.event.settings.tax_rate_default or TaxRule.zero()
iapk = self.request.session.get('invoice_address_{}'.format(self.request.event.pk))
ia = None
if payment_fee_tax_rule.eu_reverse_charge and iapk:
try:
ia = InvoiceAddress.objects.get(pk=iapk, order__isnull=True)
except InvoiceAddress.DoesNotExist:
pass
if payment_fee_tax_rule.tax_applicable(ia):
payment_fee_tax = payment_fee_tax_rule.tax(payment_fee, base_price_is='gross')
tax_total += payment_fee_tax.tax
net_total += payment_fee_tax.net
payment_fee_net = payment_fee_tax.net
payment_fee_tax_rate = payment_fee_tax.rate
else:
net_total += payment_fee
payment_fee_net = payment_fee
payment_fee_tax_rate = Decimal('0.00')
try:
first_expiry = min(p.expires for p in positions) if positions else now()
@@ -124,6 +146,7 @@ class CartMixin:
'payment_fee': payment_fee,
'payment_fee_net': payment_fee_net,
'payment_fee_tax_rate': payment_fee_tax_rate,
'payment_fee_tax_rule': payment_fee_tax_rule,
'answers': answers,
'minutes_left': minutes_left,
'first_expiry': first_expiry,
@@ -147,7 +170,8 @@ def get_cart(request):
).order_by(
'item', 'variation'
).select_related(
'item', 'variation', 'subevent', 'subevent__event', 'subevent__event__organizer'
'item', 'variation', 'subevent', 'subevent__event', 'subevent__event__organizer',
'item__tax_rule'
).prefetch_related(
'item__questions', 'answers'
)