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Refactor payment QR code generation code and add SPAYD format (#5680)

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Move generation of QR code contents out of the HTML template and into Python code, so it can
be reused in plugins and tested with unit tests. Add the SPAYD QR code format which is used in
Czech Republic and Slovakia [1]. Display BezahlCode QR codes only for German IBANs.

[1] https://en.wikipedia.org/wiki/Short_Payment_Descriptor
This commit is contained in:
luelista
2025-12-04 14:15:29 +01:00
committed by GitHub
parent 609b7c82ee
commit e1f5678d7c
5 changed files with 408 additions and 141 deletions
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58
src/pretix/plugins/banktransfer/payment.py
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@@ -46,12 +46,12 @@ from i18nfield.forms import I18nTextInput
from i18nfield.strings import LazyI18nString
from localflavor.generic.forms import BICFormField, IBANFormField
from localflavor.generic.validators import IBANValidator
from text_unidecode import unidecode
from pretix.base.forms import I18nMarkdownTextarea
from pretix.base.models import InvoiceAddress, Order, OrderPayment, OrderRefund
from pretix.base.payment import BasePaymentProvider
from pretix.base.templatetags.money import money_filter
from pretix.helpers.payment import generate_payment_qr_codes
from pretix.plugins.banktransfer.templatetags.ibanformat import ibanformat
from pretix.presale.views.cart import cart_session
@@ -313,51 +313,6 @@ class BankTransfer(BasePaymentProvider):
t += str(self.settings.get('bank_details', as_type=LazyI18nString))
return t
def swiss_qrbill(self, payment):
if not self.settings.get('bank_details_sepa_iban') or not self.settings.get('bank_details_sepa_iban')[:2] in ('CH', 'LI'):
return
if self.event.currency not in ('EUR', 'CHF'):
return
if not self.event.settings.invoice_address_from or not self.event.settings.invoice_address_from_country:
return
data_fields = [
'SPC',
'0200',
'1',
self.settings.get('bank_details_sepa_iban'),
'K',
self.settings.get('bank_details_sepa_name')[:70],
self.event.settings.invoice_address_from.replace('\n', ', ')[:70],
(self.event.settings.invoice_address_from_zipcode + ' ' + self.event.settings.invoice_address_from_city)[:70],
'',
'',
str(self.event.settings.invoice_address_from_country),
'', # rfu
'', # rfu
'', # rfu
'', # rfu
'', # rfu
'', # rfu
'', # rfu
str(payment.amount),
self.event.currency,
'', # debtor address
'', # debtor address
'', # debtor address
'', # debtor address
'', # debtor address
'', # debtor address
'', # debtor address
'NON',
'', # structured reference
self._code(payment.order),
'EPD',
]
data_fields = [unidecode(d or '') for d in data_fields]
return '\r\n'.join(data_fields)
def payment_pending_render(self, request: HttpRequest, payment: OrderPayment):
template = get_template('pretixplugins/banktransfer/pending.html')
ctx = {
@@ -367,13 +322,18 @@ class BankTransfer(BasePaymentProvider):
'amount': payment.amount,
'payment_info': payment.info_data,
'settings': self.settings,
'swiss_qrbill': self.swiss_qrbill(payment),
'eu_barcodes': self.event.currency == 'EUR',
'payment_qr_codes': generate_payment_qr_codes(
event=self.event,
code=self._code(payment.order),
amount=payment.amount,
bank_details_sepa_bic=self.settings.get('bank_details_sepa_bic'),
bank_details_sepa_name=self.settings.get('bank_details_sepa_name'),
bank_details_sepa_iban=self.settings.get('bank_details_sepa_iban'),
) if self.settings.bank_details_type == "sepa" else None,
'pending_description': self.settings.get('pending_description', as_type=LazyI18nString),
'details': self.settings.get('bank_details', as_type=LazyI18nString),
'has_invoices': payment.order.invoices.exists(),
}
ctx['any_barcodes'] = ctx['swiss_qrbill'] or ctx['eu_barcodes']
return template.render(ctx, request=request)
def payment_control_render(self, request: HttpRequest, payment: OrderPayment) -> str: