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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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49
src/pretix/presale/views/cart.py
View File

@@ -6,13 +6,14 @@ from django.db.models import Count, Prefetch, Q
from django.http import FileResponse, Http404, JsonResponse
from django.shortcuts import get_object_or_404, redirect
from django.utils import translation
from django.utils.functional import cached_property
from django.utils.timezone import now
from django.utils.translation import ugettext as _
from django.views.generic import TemplateView, View
from pretix.base.decimal import round_decimal
from pretix.base.models import (
CartPosition, ItemVariation, QuestionAnswer, Quota, SubEvent, Voucher,
CartPosition, InvoiceAddress, ItemVariation, QuestionAnswer, Quota,
SubEvent, Voucher,
)
from pretix.base.services.cart import (
CartError, add_items_to_cart, clear_cart, remove_cart_position,
@@ -37,6 +38,17 @@ class CartActionMixin:
def get_error_url(self):
return self.get_next_url()
@cached_property
def invoice_address(self):
iapk = self.request.session.get('invoice_address_{}'.format(self.request.event.pk))
if not iapk:
return InvoiceAddress()
try:
return InvoiceAddress.objects.get(pk=iapk, order__isnull=True)
except InvoiceAddress.DoesNotExist:
return InvoiceAddress()
def _item_from_post_value(self, key, value, voucher=None):
if value.strip() == '' or '_' not in key:
return
@@ -154,7 +166,8 @@ class CartAdd(EventViewMixin, CartActionMixin, AsyncAction, View):
def post(self, request, *args, **kwargs):
items = self._items_from_post_data()
if items:
return self.do(self.request.event.id, items, self.request.session.session_key, translation.get_language())
return self.do(self.request.event.id, items, self.request.session.session_key, translation.get_language(),
self.invoice_address.pk)
else:
if 'ajax' in self.request.GET or 'ajax' in self.request.POST:
return JsonResponse({
@@ -190,12 +203,12 @@ class RedeemView(EventViewMixin, TemplateView):
items = items.filter(quotas__in=[self.voucher.quota_id])
items = items.filter(vouchq).select_related(
'category', # for re-grouping
'category', 'tax_rule', # for re-grouping
).prefetch_related(
Prefetch('quotas',
to_attr='_subevent_quotas',
queryset=self.request.event.quotas.filter(subevent=self.subevent)),
Prefetch('variations', to_attr='avail_variations',
Prefetch('variations', to_attr='available_variations',
queryset=ItemVariation.objects.filter(active=True, quotas__isnull=False).prefetch_related(
Prefetch('quotas',
to_attr='_subevent_quotas',
@@ -217,13 +230,11 @@ class RedeemView(EventViewMixin, TemplateView):
var_price_override = {}
for item in items:
item.available_variations = list(item.variations.filter(active=True, quotas__isnull=False).distinct())
if self.voucher.item_id and self.voucher.variation_id:
item.available_variations = [v for v in item.available_variations if v.pk == self.voucher.variation_id]
item.order_max = item.max_per_order or int(self.request.event.settings.max_items_per_order)
item.has_variations = item.variations.exists()
if not item.has_variations:
item._remove = not bool(item._subevent_quotas)
if self.voucher.allow_ignore_quota or self.voucher.block_quota:
@@ -231,32 +242,32 @@ class RedeemView(EventViewMixin, TemplateView):
else:
item.cached_availability = item.check_quotas(subevent=self.subevent, _cache=quota_cache)
item.price = item_price_override.get(item.pk, item.default_price)
item.price = self.voucher.calculate_price(item.price)
if self.request.event.settings.display_net_prices:
item.price -= round_decimal(item.price * (1 - 100 / (100 + item.tax_rate)))
price = item_price_override.get(item.pk, item.default_price)
price = self.voucher.calculate_price(price)
item.display_price = item.tax(price)
else:
item._remove = False
for var in item.avail_variations:
for var in item.available_variations:
if self.voucher.allow_ignore_quota or self.voucher.block_quota:
var.cached_availability = (Quota.AVAILABILITY_OK, 1)
else:
var.cached_availability = list(var.check_quotas(subevent=self.subevent, _cache=quota_cache))
var.display_price = var_price_override.get(var.pk, var.price)
var.display_price = self.voucher.calculate_price(var.display_price)
if self.request.event.settings.display_net_prices:
var.display_price -= round_decimal(var.display_price * (1 - 100 / (100 + item.tax_rate)))
price = var_price_override.get(var.pk, var.price)
price = self.voucher.calculate_price(price)
var.display_price = item.tax(price)
item.available_variations = [
v for v in item.avail_variations if v._subevent_quotas
v for v in item.available_variations if v._subevent_quotas
]
if self.voucher.variation_id:
item.available_variations = [v for v in item.available_variations
if v.pk == self.voucher.variation_id]
if len(item.available_variations) > 0:
item.min_price = min([v.display_price for v in item.avail_variations])
item.max_price = max([v.display_price for v in item.avail_variations])
item.min_price = min([v.display_price.net if self.request.event.settings.display_net_prices else
v.display_price.gross for v in item.available_variations])
item.max_price = max([v.display_price.net if self.request.event.settings.display_net_prices else
v.display_price.gross for v in item.available_variations])
items = [item for item in items
if (len(item.available_variations) > 0 or not item.has_variations) and not item._remove]