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Code Issues Packages Projects Releases Wiki Activity

Self-service refund form (#1135)

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* Auto-refund

* Add missing template

* Notification for requested refund

* Model-level tests

* Add front-end tests

* Default to notify
This commit is contained in:
Raphael Michel
2019-01-18 17:24:42 +01:00
committed by GitHub
parent 80b5750756
commit 06eddb2c6d
24 changed files with 857 additions and 95 deletions
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50
src/pretix/control/views/orders.py
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@@ -583,51 +583,15 @@ class OrderRefundView(OrderView):
)
def choose_form(self):
payments = self.order.payments.filter(
state=OrderPayment.PAYMENT_STATE_CONFIRMED
)
for p in payments:
p.full_refund_possible = p.payment_provider.payment_refund_supported(p)
p.partial_refund_possible = p.payment_provider.payment_partial_refund_supported(p)
p.propose_refund = Decimal('0.00')
p.available_amount = p.amount - p.refunded_amount
unused_payments = set(p for p in payments if p.full_refund_possible or p.partial_refund_possible)
# Algorithm to choose which payments are to be refunded to create the least hassle
payments = list(self.order.payments.filter(state=OrderPayment.PAYMENT_STATE_CONFIRMED))
if self.start_form.cleaned_data.get('mode') == 'full':
to_refund = full_refund = self.order.payment_refund_sum
full_refund = self.order.payment_refund_sum
else:
to_refund = full_refund = self.start_form.cleaned_data.get('partial_amount')
while to_refund and unused_payments:
bigger = sorted([p for p in unused_payments if p.available_amount > to_refund],
key=lambda p: p.available_amount)
same = [p for p in unused_payments if p.available_amount == to_refund]
smaller = sorted([p for p in unused_payments if p.available_amount < to_refund],
key=lambda p: p.available_amount,
reverse=True)
if same:
for payment in same:
if payment.full_refund_possible or payment.partial_refund_possible:
payment.propose_refund = payment.available_amount
to_refund -= payment.available_amount
unused_payments.remove(payment)
break
elif bigger:
for payment in bigger:
if payment.partial_refund_possible:
payment.propose_refund = to_refund
to_refund -= to_refund
unused_payments.remove(payment)
break
elif smaller:
for payment in smaller:
if payment.full_refund_possible or payment.partial_refund_possible:
payment.propose_refund = payment.available_amount
to_refund -= payment.available_amount
unused_payments.remove(payment)
break
full_refund = self.start_form.cleaned_data.get('partial_amount')
proposals = self.order.propose_auto_refunds(full_refund, payments=payments)
to_refund = full_refund - sum(proposals.values())
for p in payments:
p.propose_refund = proposals.get(p, 0)
if 'perform' in self.request.POST:
refund_selected = Decimal('0.00')