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Discounts (#2510)

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This commit is contained in:
Raphael Michel
2022-04-27 14:43:16 +02:00
committed by GitHub
parent 7730cc6170
commit 6fee0ac0a9
56 changed files with 4159 additions and 480 deletions
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122
src/pretix/api/serializers/order.py
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@@ -56,7 +56,9 @@ from pretix.base.models.orders import (
from pretix.base.pdf import get_images, get_variables
from pretix.base.services.cart import error_messages
from pretix.base.services.locking import NoLockManager
from pretix.base.services.pricing import get_price
from pretix.base.services.pricing import (
apply_discounts, get_line_price, get_listed_price, is_included_for_free,
)
from pretix.base.settings import COUNTRIES_WITH_STATE_IN_ADDRESS
from pretix.base.signals import register_ticket_outputs
from pretix.multidomain.urlreverse import build_absolute_uri
@@ -1040,29 +1042,18 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
if v.budget is not None:
price = pos_data.get('price')
listed_price = get_listed_price(pos_data.get('item'), pos_data.get('variation'), pos_data.get('subevent'))
if pos_data.get('voucher'):
price_after_voucher = pos_data.get('voucher').calculate_price(listed_price)
else:
price_after_voucher = listed_price
if price is None:
price = get_price(
item=pos_data.get('item'),
variation=pos_data.get('variation'),
voucher=v,
custom_price=None,
subevent=pos_data.get('subevent'),
addon_to=pos_data.get('addon_to'),
invoice_address=ia,
).gross
pbv = get_price(
item=pos_data['item'],
variation=pos_data.get('variation'),
voucher=None,
custom_price=None,
subevent=pos_data.get('subevent'),
addon_to=pos_data.get('addon_to'),
invoice_address=ia,
)
price = price_after_voucher
if v not in v_budget:
v_budget[v] = v.budget - v.budget_used()
disc = pbv.gross - price
disc = max(listed_price - price, 0)
if disc > v_budget[v]:
new_disc = v_budget[v]
v_budget[v] -= new_disc
@@ -1158,52 +1149,85 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
order.invoice_address = ia
ia.last_modified = now()
# Generate position objects
pos_map = {}
for pos_data in positions_data:
answers_data = pos_data.pop('answers', [])
addon_to = pos_data.pop('addon_to', None)
attendee_name = pos_data.pop('attendee_name', '')
if attendee_name and not pos_data.get('attendee_name_parts'):
pos_data['attendee_name_parts'] = {
'_legacy': attendee_name
}
pos = OrderPosition(**pos_data)
pos = OrderPosition(**{k: v for k, v in pos_data.items() if k != 'answers'})
if simulate:
pos.order = order._wrapped
else:
pos.order = order
if addon_to:
if simulate:
pos.addon_to = pos_map[addon_to]._wrapped
pos.addon_to = pos_map[addon_to]
else:
pos.addon_to = pos_map[addon_to]
if pos.price is None:
price = get_price(
item=pos.item,
variation=pos.variation,
voucher=pos.voucher,
custom_price=None,
subevent=pos.subevent,
addon_to=pos.addon_to,
invoice_address=ia,
)
pos.price = price.gross
pos.tax_rate = price.rate
pos.tax_value = price.tax
pos.tax_rule = pos.item.tax_rule
else:
pos._calculate_tax()
pos_map[pos.positionid] = pos
pos_data['__instance'] = pos
pos.price_before_voucher = get_price(
item=pos.item,
variation=pos.variation,
voucher=None,
custom_price=None,
subevent=pos.subevent,
addon_to=pos.addon_to,
invoice_address=ia,
).gross
# Calculate prices if not set
for pos_data in positions_data:
pos = pos_data['__instance']
if pos.addon_to_id and is_included_for_free(pos.item, pos.addon_to):
listed_price = Decimal('0.00')
else:
listed_price = get_listed_price(pos.item, pos.variation, pos.subevent)
if pos.price is None:
if pos.voucher:
price_after_voucher = pos.voucher.calculate_price(listed_price)
else:
price_after_voucher = listed_price
line_price = get_line_price(
price_after_voucher=price_after_voucher,
custom_price_input=None,
custom_price_input_is_net=False,
tax_rule=pos.item.tax_rule,
invoice_address=ia,
bundled_sum=Decimal('0.00'),
)
pos.price = line_price.gross
pos._auto_generated_price = True
else:
if pos.voucher:
if not pos.item.tax_rule or pos.item.tax_rule.price_includes_tax:
price_after_voucher = max(pos.price, pos.voucher.calculate_price(listed_price))
else:
price_after_voucher = max(pos.price - pos.tax_value, pos.voucher.calculate_price(listed_price))
else:
price_after_voucher = listed_price
pos._auto_generated_price = False
pos._voucher_discount = listed_price - price_after_voucher
if pos.voucher:
pos.voucher_budget_use = max(listed_price - price_after_voucher, Decimal('0.00'))
order_positions = [pos_data['__instance'] for pos_data in positions_data]
discount_results = apply_discounts(
self.context['event'],
order.sales_channel,
[
(cp.item_id, cp.subevent_id, cp.price, bool(cp.addon_to), cp.is_bundled, pos._voucher_discount)
for cp in order_positions
]
)
for cp, (new_price, discount) in zip(order_positions, discount_results):
if new_price != pos.price and pos._auto_generated_price:
pos.price = new_price
pos.discount = discount
# Save instances
for pos_data in positions_data:
answers_data = pos_data.pop('answers', [])
pos = pos_data['__instance']
pos._calculate_tax()
if simulate:
pos = WrappedModel(pos)
@@ -1216,6 +1240,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
answers.append(answ)
pos.answers = answers
pos.pseudonymization_id = "PREVIEW"
pos_map[pos.positionid] = pos
else:
if pos.voucher:
Voucher.objects.filter(pk=pos.voucher.pk).update(redeemed=F('redeemed') + 1)
@@ -1238,7 +1263,6 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
else:
answ = pos.answers.create(**answ_data)
answ.options.add(*options)
pos_map[pos.positionid] = pos
if not simulate:
for cp in delete_cps: