Merge pull request 'upstream/2025.9.0' (#8) from upstream/2025.9.0 into master

Reviewed-on: #8

.licenseheader

@@ -1,7 +1,7 @@
 This file is part of pretix (Community Edition).
 
-Copyright (C) 2014-2020 Raphael Michel and contributors
-Copyright (C) 2020-2021 rami.io GmbH and contributors
+Copyright (C) 2014-2020  Raphael Michel and contributors
+Copyright (C) 2020-today pretix GmbH and contributors
 
 This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 Public License as published by the Free Software Foundation in version 3 of the License.

doc/api/resources/invoices.rst

@@ -80,17 +80,12 @@ lines                                 list of objects            The actual invo
                                                                  for all invoice lines
                                                                  created before this field was introduced as well as for
                                                                  all lines not created by a fee (e.g. a product).
-├ event_date_from                     datetime                   Start date of the (sub)event this line was created for as it
-                                                                 was set during invoice creation. Can be ``null`` for all invoice
-                                                                 lines created before this was introduced as well as for lines in
-                                                                 an event series not created by a product (e.g. shipping or
-                                                                 cancellation fees).
-├ event_date_to                       datetime                   End date of the (sub)event this line was created for as it
-                                                                 was set during invoice creation. Can be ``null`` for all invoice
-                                                                 lines created before this was introduced as well as for lines in
-                                                                 an event series not created by a product (e.g. shipping or
-                                                                 cancellation fees) as well as whenever the respective (sub)event
-                                                                 has no end date set.
+├ period_start                        datetime                   Start date of the service or delivery period of the invoice line.
+                                                                 Can be ``null`` if not known.
+├ period_end                          datetime                   End date of the service or delivery period of the invoice line.
+                                                                 Can be ``null`` if not known.
+├ event_date_from                     datetime                   Deprecated alias of ``period_start``.
+├ event_date_to                       datetime                   Deprecated alias of ``period_end``.
 ├ event_location                      string                     Location of the (sub)event this line was created for as it
                                                                  was set during invoice creation. Can be ``null`` for all invoice
                                                                  lines created before this was introduced as well as for lines in
@@ -274,6 +269,8 @@ List of all invoices
                 "fee_internal_type": null,
                 "event_date_from": "2017-12-27T10:00:00Z",
                 "event_date_to": null,
+                "period_start": "2017-12-27T10:00:00Z",
+                "period_end": "2017-12-27T10:00:00Z",
                 "event_location": "Heidelberg",
                 "attendee_name": null,
                 "gross_value": "23.00",
@@ -420,6 +417,8 @@ Fetching individual invoices
             "fee_internal_type": null,
             "event_date_from": "2017-12-27T10:00:00Z",
             "event_date_to": null,
+            "period_start": "2017-12-27T10:00:00Z",
+            "period_end": "2017-12-27T10:00:00Z",
             "event_location": "Heidelberg",
             "attendee_name": null,
             "gross_value": "23.00",

doc/api/resources/orders.rst

@@ -1030,8 +1030,8 @@ Creating orders
       * ``internal_reference``
       * ``vat_id``
       * ``vat_id_validated`` (optional) – If you need support for reverse charge (rarely the case), you need to check
-         yourself if the passed VAT ID is a valid EU VAT ID. In that case, set this to ``true``. Only valid VAT IDs will
-         trigger reverse charge taxation. Don't forget to set ``is_business`` as well!
+        yourself if the passed VAT ID is a valid EU VAT ID. In that case, set this to ``true``. Only valid VAT IDs will
+        trigger reverse charge taxation. Don't forget to set ``is_business`` as well!
      * ``transmission_type`` (optional, defaults to ``email``)
      * ``transmission_info`` (optional, see also :ref:`rest-transmission-types`)
 
@@ -1058,6 +1058,7 @@ Creating orders
       * ``valid_until`` (optional, if both ``valid_from`` and ``valid_until`` are **missing** (not ``null``) the availability will be computed from the given product)
       * ``requested_valid_from`` (optional, can be set **instead** of ``valid_from`` and ``valid_until`` to signal a user choice for the start time that may or may not be respected)
       * ``use_reusable_medium`` (optional, causes the new ticket to take over the given reusable medium, identified by its ID)
+      * ``discount`` (optional, only possible if ``price`` is set; attention: if this is set to not-``null`` on any position, automatic calculation of discounts will not run)
       * ``answers``
 
         * ``question``
@@ -2508,6 +2509,7 @@ Order payment endpoints
 
       {
         "amount": "23.00",
+        "comment": "Overpayment",
         "mark_canceled": false
       }
 

doc/development/api/general.rst

@@ -23,7 +23,7 @@ There are multiple signals that will be sent out in the ordering cycle:
 
 .. automodule:: pretix.base.signals
    :no-index:
-   :members: validate_cart, validate_cart_addons, validate_order, order_valid_if_pending, order_fee_calculation, order_paid, order_placed, order_canceled, order_reactivated, order_expired, order_expiry_changed, order_modified, order_changed, order_approved, order_denied, order_fee_type_name, allow_ticket_download, order_split, order_gracefully_delete, invoice_line_text
+   :members: validate_cart, validate_cart_addons, validate_order, order_valid_if_pending, order_fee_calculation, order_paid, order_placed, order_canceled, order_reactivated, order_expired, order_expiry_changed, order_modified, order_changed, order_approved, order_denied, order_fee_type_name, allow_ticket_download, order_split, order_gracefully_delete, build_invoice_data, invoice_line_text
 
 Check-ins
 """""""""

pyproject.toml

@@ -28,7 +28,7 @@ classifiers = [
 dependencies = [
   "arabic-reshaper==3.0.0",  # Support for Arabic in reportlab
   "babel",
-  "BeautifulSoup4==4.13.*",
+  "BeautifulSoup4==4.14.*",
   "bleach==6.2.*",
   "celery==5.5.*",
   "chardet==5.2.*",
@@ -76,12 +76,12 @@ dependencies = [
   "phonenumberslite==9.0.*",
   "Pillow==11.3.*",
   "pretix-plugin-build",
-  "protobuf==6.32.*",
+  "protobuf==6.33.*",
   "psycopg2-binary",
   "pycountry",
   "pycparser==2.23",
   "pycryptodome==3.23.*",
-  "pypdf==6.0.*",
+  "pypdf==6.1.*",
   "python-bidi==0.6.*",  # Support for Arabic in reportlab
   "python-dateutil==2.9.*",
   "pytz",
@@ -91,8 +91,8 @@ dependencies = [
   "redis==6.4.*",
   "reportlab==4.4.*",
   "requests==2.32.*",
-  "sentry-sdk==2.38.*",
-  "sepaxml==2.6.*",
+  "sentry-sdk==2.42.*",
+  "sepaxml==2.7.*",
   "stripe==7.9.*",
   "text-unidecode==1.*",
   "tlds>=2020041600",
@@ -107,13 +107,13 @@ dependencies = [
 [project.optional-dependencies]
 memcached = ["pylibmc"]
 dev = [
-  "aiohttp==3.12.*",
+  "aiohttp==3.13.*",
   "coverage",
   "coveralls",
-  "fakeredis==2.31.*",
+  "fakeredis==2.32.*",
   "flake8==7.3.*",
   "freezegun",
-  "isort==6.0.*",
+  "isort==6.1.*",
   "pep8-naming==0.15.*",
   "potypo",
   "pytest-asyncio>=0.24",

src/manage.py

@@ -2,8 +2,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -19,4 +19,4 @@
 # You should have received a copy of the GNU Affero General Public License along with this program.  If not, see
 # <https://www.gnu.org/licenses/>.
 #
-__version__ = "2025.8.0"
+__version__ = "2025.9.0"

src/pretix/__main__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/_base_settings.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/_build.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/_build_settings.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/apps.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/auth/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/auth/device.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/auth/devicesecurity.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/auth/permission.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/auth/session.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/auth/token.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/exception.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/filters.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/middleware.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/models.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/oauth.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/pagination.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/cart.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/checkin.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/discount.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/event.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -805,6 +805,7 @@ class EventSettingsSerializer(SettingsSerializer):
         'invoice_reissue_after_modify',
         'invoice_include_free',
         'invoice_generate',
+        'invoice_period',
         'invoice_numbers_consecutive',
         'invoice_numbers_prefix',
         'invoice_numbers_prefix_cancellations',

src/pretix/api/serializers/exporters.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/fields.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/forms.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/i18n.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/item.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -550,7 +550,7 @@ class QuestionSerializer(I18nAwareModelSerializer):
         if full_data.get('show_during_checkin') and full_data.get('type') in Question.SHOW_DURING_CHECKIN_UNSUPPORTED:
             raise ValidationError(_('This type of question cannot be shown during check-in.'))
 
-        Question.clean_items(event, full_data.get('items'))
+        Question.clean_items(event, full_data.get('items') or [])
         return data
 
     def validate_options(self, value):
@@ -566,7 +566,7 @@ class QuestionSerializer(I18nAwareModelSerializer):
     @transaction.atomic
     def create(self, validated_data):
         options_data = validated_data.pop('options') if 'options' in validated_data else []
-        items = validated_data.pop('items')
+        items = validated_data.pop('items', [])
 
         question = Question.objects.create(**validated_data)
         question.items.set(items)

src/pretix/api/serializers/media.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/order.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -1005,7 +1005,7 @@ class OrderPositionCreateSerializer(I18nAwareModelSerializer):
         fields = ('positionid', 'item', 'variation', 'price', 'attendee_name', 'attendee_name_parts', 'attendee_email',
                   'company', 'street', 'zipcode', 'city', 'country', 'state', 'is_bundled',
                   'secret', 'addon_to', 'subevent', 'answers', 'seat', 'voucher', 'valid_from', 'valid_until',
-                  'requested_valid_from', 'use_reusable_medium')
+                  'requested_valid_from', 'use_reusable_medium', 'discount')
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -1101,6 +1101,10 @@ class OrderPositionCreateSerializer(I18nAwareModelSerializer):
                     {'state': ['"{}" is not a known subdivision of the country "{}".'.format(data.get('state'), cc)]}
                 )
 
+        if data.get('price') is None and data.get('discount'):
+            raise ValidationError(
+                {'discount': ['You can only specify a discount if you do the price computation, but price is not set.']}
+            )
         return data
 
 
@@ -1160,6 +1164,7 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.fields['positions'].child.fields['voucher'].queryset = self.context['event'].vouchers.all()
+        self.fields['positions'].child.fields['discount'].queryset = self.context['event'].discounts.all()
         self.fields['customer'].queryset = self.context['event'].organizer.customers.all()
         self.fields['expires'].required = False
         self.fields["sales_channel"].queryset = self.context["event"].organizer.sales_channels.all()
@@ -1567,19 +1572,22 @@ class OrderCreateSerializer(I18nAwareModelSerializer):
                 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.subevent.date_from if cp.subevent_id else None, 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
+        if not any([p.get("discount") for p in positions_data]):
+            # If any discount is set by the client (i.e. pretixPOS), we do not recalculate but believe the client
+            # to avoid differences in end results.
+            discount_results = apply_discounts(
+                self.context['event'],
+                order.sales_channel,
+                [
+                    (cp.item_id, cp.subevent_id, cp.subevent.date_from if cp.subevent_id else None, 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:
@@ -1757,12 +1765,14 @@ class LinePositionField(serializers.IntegerField):
 
 class InlineInvoiceLineSerializer(I18nAwareModelSerializer):
     position = LinePositionField(read_only=True)
+    event_date_from = serializers.DateTimeField(read_only=True, source="period_start")
+    event_date_to = serializers.DateTimeField(read_only=True, source="period_end")
 
     class Meta:
         model = InvoiceLine
         fields = ('position', 'description', 'item', 'variation', 'subevent', 'attendee_name', 'event_date_from',
-                  'event_date_to', 'gross_value', 'tax_value', 'tax_rate', 'tax_code', 'tax_name', 'fee_type',
-                  'fee_internal_type', 'event_location')
+                  'event_date_to', 'period_start', 'period_end', 'gross_value', 'tax_value', 'tax_rate', 'tax_code',
+                  'tax_name', 'fee_type', 'fee_internal_type', 'event_location')
 
 
 class InvoiceSerializer(I18nAwareModelSerializer):

src/pretix/api/serializers/orderchange.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/organizer.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/settings.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/shredders.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/voucher.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/waitinglist.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/serializers/webhooks.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/signals.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/urls.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/cart.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/checkin.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/device.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/discount.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/event.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/exporters.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/idempotency.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/item.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/media.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/oauth.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/order.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -743,7 +743,7 @@ class EventOrderViewSet(OrderViewSetMixin, viewsets.ModelViewSet):
                     user=request.user if request.user.is_authenticated else None,
                     auth=request.auth,
                 )
-            order_placed.send(self.request.event, order=order)
+            order_placed.send(self.request.event, order=order, bulk=False)
             if order.status == Order.STATUS_PAID:
                 order_paid.send(self.request.event, order=order)
                 order.log_action(
@@ -764,7 +764,13 @@ class EventOrderViewSet(OrderViewSetMixin, viewsets.ModelViewSet):
             ) and not order.invoices.last()
             invoice = None
             if gen_invoice:
-                invoice = generate_invoice(order, trigger_pdf=True)
+                try:
+                    invoice = generate_invoice(order, trigger_pdf=True)
+                except Exception as e:
+                    logger.exception("Could not generate invoice.")
+                    order.log_action("pretix.event.order.invoice.failed", data={
+                        "exception": str(e)
+                    })
 
             # Refresh serializer only after running signals
             prefetch_related_objects([order], self._positions_prefetch(request))
@@ -1663,6 +1669,9 @@ class PaymentViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
         else:
             mark_refunded = request.data.get('mark_canceled', False)
 
+        if not isinstance(request.data.get("comment", ""), str):
+            return Response({'comment': 'Invalid type.'}, status=status.HTTP_400_BAD_REQUEST)
+
         if payment.state != OrderPayment.PAYMENT_STATE_CONFIRMED:
             return Response({'detail': 'Invalid state of payment.'}, status=status.HTTP_400_BAD_REQUEST)
 
@@ -1689,6 +1698,7 @@ class PaymentViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
             amount=amount,
             provider=payment.provider,
             info='{}',
+            comment=request.data.get("comment"),
         )
         payment.order.log_action('pretix.event.order.refund.created', {
             'local_id': r.local_id,

src/pretix/api/views/organizer.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/shredders.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/upload.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/user.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/version.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/voucher.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/waitinglist.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/views/webhooks.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/api/webhooks.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -439,8 +439,12 @@ def register_default_webhook_events(sender, **kwargs):
 def notify_webhooks(logentry_ids: list):
     if not isinstance(logentry_ids, list):
         logentry_ids = [logentry_ids]
-    qs = LogEntry.all.select_related('event', 'event__organizer', 'organizer').filter(id__in=logentry_ids)
-    _org, _at, webhooks = None, None, None
+    qs = LogEntry.all.select_related(
+        'event', 'event__organizer', 'organizer'
+    ).order_by(
+        'action_type', 'organizer_id', 'event_id',
+    ).filter(id__in=logentry_ids)
+    _org, _at, _ev, webhooks = None, None, None, None
     for logentry in qs:
         if not logentry.organizer:
             break  # We need to know the organizer
@@ -450,7 +454,7 @@ def notify_webhooks(logentry_ids: list):
         if not notification_type:
             break  # Ignore, no webhooks for this event type
 
-        if _org != logentry.organizer or _at != logentry.action_type or webhooks is None:
+        if _org != logentry.organizer or _at != logentry.action_type or _ev != logentry.event_id or webhooks is None:
             _org = logentry.organizer
             _at = logentry.action_type
 

src/pretix/base/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/addressvalidation.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/apps.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/auth.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/banlist.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/cache.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/channels.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/context.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/customersso/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/customersso/oidc.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/datasync/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/datasync/datasync.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -106,7 +106,7 @@ class OutboundSyncProvider:
         return str(cls.identifier)
 
     @classmethod
-    def enqueue_order(cls, order, triggered_by, not_before=None):
+    def enqueue_order(cls, order, triggered_by, not_before=None, immediate=False):
         """
         Adds an order to the sync queue. May only be called on derived classes which define an ``identifier`` attribute.
 
@@ -119,10 +119,14 @@ class OutboundSyncProvider:
         :param order: the Order that should be synced
         :param triggered_by: the reason why the order should be synced, e.g. name of the signal
                              (currently only used internally for logging)
+        :param immediate: whether a new sync task should run immediately for this order, instead
+                          of waiting for the next periodic_task interval
+        :return: Return a tuple (queue_item, created), where created is a boolean
+                 specifying whether a new queue item was created.
         """
         if not hasattr(cls, 'identifier'):
             raise TypeError('Call this method on a derived class that defines an "identifier" attribute.')
-        OrderSyncQueue.objects.update_or_create(
+        queue_item, created = OrderSyncQueue.objects.update_or_create(
             order=order,
             sync_provider=cls.identifier,
             in_flight=False,
@@ -133,6 +137,10 @@ class OutboundSyncProvider:
                 "need_manual_retry": None,
             },
         )
+        if immediate:
+            from pretix.base.services.datasync import sync_single
+            sync_single.apply_async(args=(queue_item.pk,))
+        return queue_item, created
 
     @classmethod
     def get_external_link_info(cls, event, external_link_href, external_link_display_name):
@@ -383,7 +391,7 @@ class OutboundSyncProvider:
     def sync_order(self, order):
         if not self.should_sync_order(order):
             logger.debug("Skipping order %r", order)
-            return
+            return {}
 
         logger.debug("Syncing order %r", order)
         positions = list(

src/pretix/base/datasync/sourcefields.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/datasync/utils.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/decimal.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/email.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporter.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -105,6 +105,18 @@ class BaseExporter:
         """
         return False
 
+    @property
+    def repeatable_read(self) -> bool:
+        """
+        If ``True``, this exporter will be run in a REPEATABLE READ transaction. This ensures consistent results for
+        all queries performed by the exporter, but creates a performance burden on the database server. We recommend to
+        disable this for exporters that take very long to run and do not rely on this behavior, such as export of lists
+        to CSV files.
+
+        Defaults to ``True`` for now, but default may change in future versions.
+        """
+        return True
+
     @property
     def identifier(self) -> str:
         """

src/pretix/base/exporters/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/answers.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/customers.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/dekodi.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/events.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/invoices.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -125,6 +125,7 @@ class InvoiceExporter(InvoiceExporterMixin, BaseExporter):
     identifier = 'invoices'
     verbose_name = _('All invoices')
     description = _('Download all invoices created by the system as a ZIP file of PDF files.')
+    repeatable_read = False
 
     def render(self, form_data: dict, output_file=None):
         qs = self.invoices_queryset(form_data).filter(shredded=False)
@@ -180,6 +181,7 @@ class InvoiceDataExporter(InvoiceExporterMixin, MultiSheetListExporter):
                     'includes two sheets, one with a line for every invoice, and one with a line for every position of '
                     'every invoice.')
     featured = True
+    repeatable_read = False
 
     @property
     def additional_form_fields(self):

src/pretix/base/exporters/items.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/json.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/mail.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/exporters/orderlist.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -89,7 +89,8 @@ class OrderListExporter(MultiSheetListExporter):
     description = gettext_lazy('Download a spreadsheet of all orders. The spreadsheet will include three sheets, one '
                                'with a line for every order, one with a line for every order position, and one with '
                                'a line for every additional fee charged in an order.')
-    featured = False
+    featured = True
+    repeatable_read = False
 
     @cached_property
     def providers(self):
@@ -842,6 +843,7 @@ class TransactionListExporter(ListExporter):
     description = gettext_lazy('Download a spreadsheet of all substantial changes to orders, i.e. all changes to '
                                'products, prices or tax rates. The information is only accurate for changes made with '
                                'pretix versions released after October 2021.')
+    repeatable_read = False
 
     @cached_property
     def providers(self):
@@ -1020,6 +1022,7 @@ class PaymentListExporter(ListExporter):
     category = pgettext_lazy('export_category', 'Order data')
     description = gettext_lazy('Download a spreadsheet of all payments or refunds of every order.')
     featured = True
+    repeatable_read = False
 
     @property
     def additional_form_fields(self):
@@ -1159,7 +1162,7 @@ class QuotaListExporter(ListExporter):
         yield headers
 
         quotas = list(self.event.quotas.select_related('subevent'))
-        qa = QuotaAvailability(full_results=True)
+        qa = QuotaAvailability(full_results=True, allow_repeatable_read=True)
         qa.queue(*quotas)
         qa.compute()
 
@@ -1200,6 +1203,7 @@ class GiftcardTransactionListExporter(OrganizerLevelExportMixin, ListExporter):
     organizer_required_permission = 'can_manage_gift_cards'
     category = pgettext_lazy('export_category', 'Gift cards')
     description = gettext_lazy('Download a spreadsheet of all gift card transactions.')
+    repeatable_read = False
 
     @property
     def additional_form_fields(self):
@@ -1258,6 +1262,7 @@ class GiftcardRedemptionListExporter(ListExporter):
     verbose_name = gettext_lazy('Gift card redemptions')
     category = pgettext_lazy('export_category', 'Order data')
     description = gettext_lazy('Download a spreadsheet of all payments or refunds that involve gift cards.')
+    repeatable_read = False
 
     def iterate_list(self, form_data):
         payments = OrderPayment.objects.filter(

src/pretix/base/exporters/reusablemedia.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -34,6 +34,7 @@ class ReusableMediaExporter(OrganizerLevelExportMixin, ListExporter):
     verbose_name = _('Reusable media')
     category = pgettext_lazy('export_category', 'Reusable media')
     description = _('Download a spread sheet with the data of all reusable medias on your account.')
+    repeatable_read = False
 
     def iterate_list(self, form_data):
         media = ReusableMedium.objects.filter(

src/pretix/base/exporters/waitinglist.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -41,6 +41,7 @@ class WaitingListExporter(ListExporter):
     verbose_name = _('Waiting list')
     category = pgettext_lazy('export_category', 'Waiting list')
     description = _('Download a spread sheet with all your waiting list data.')
+    repeatable_read = False
 
     # map selected status to label and queryset-filter
     status_filters = [

src/pretix/base/forms/__init__.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/forms/auth.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.

src/pretix/base/forms/questions.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.
@@ -77,7 +77,9 @@ from pretix.base.forms.widgets import (
 from pretix.base.i18n import (
     get_babel_locale, get_language_without_region, language,
 )
-from pretix.base.invoicing.transmission import get_transmission_types
+from pretix.base.invoicing.transmission import (
+    get_transmission_types, transmission_types,
+)
 from pretix.base.models import InvoiceAddress, Item, Question, QuestionOption
 from pretix.base.models.tax import ask_for_vat_id
 from pretix.base.services.tax import (
@@ -1142,9 +1144,11 @@ class BaseInvoiceAddressForm(forms.ModelForm):
         if (not kwargs.get('instance') or not kwargs['instance'].country) and not kwargs["initial"].get("country"):
             kwargs['initial']['country'] = guess_country_from_request(self.request, self.event)
 
-        if kwargs.get('instance'):
-            kwargs['initial'].update(kwargs['instance'].transmission_info or {})
-            kwargs['initial']['transmission_type'] = kwargs['instance'].transmission_type
+        if kwargs.get('instance') and kwargs['instance'].transmission_type:
+            ttype, meta = transmission_types.get(identifier=kwargs['instance'].transmission_type)
+            if ttype:
+                kwargs['initial'].update(ttype.transmission_info_to_form_data(kwargs['instance'].transmission_info or {}))
+                kwargs['initial']['transmission_type'] = ttype.identifier
 
         super().__init__(*args, **kwargs)
 
@@ -1394,9 +1398,7 @@ class BaseInvoiceAddressForm(forms.ModelForm):
                         raise ValidationError({r: _("This field is required for the selected type of invoice transmission.")})
 
                 self.instance.transmission_type = transmission_type.identifier
-                self.instance.transmission_info = {
-                    k: data.get(k) for k in transmission_type.invoice_address_form_fields
-                }
+                self.instance.transmission_info = transmission_type.form_data_to_transmission_info(data)
             elif transmission_type.exclusive:
                 if transmission_type.is_available(self.event, data.get("country"), data.get("is_business")):
                     raise ValidationError({

src/pretix/base/forms/user.py

@@ -1,8 +1,8 @@
 #
 # This file is part of pretix (Community Edition).
 #
-# Copyright (C) 2014-2020 Raphael Michel and contributors
-# Copyright (C) 2020-2021 rami.io GmbH and contributors
+# Copyright (C) 2014-2020  Raphael Michel and contributors
+# Copyright (C) 2020-today pretix GmbH and contributors
 #
 # This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
 # Public License as published by the Free Software Foundation in version 3 of the License.