Allows organizers to test their shop as if it were a different date and time.
Implemented using a time_machine_now() function which is used instead of regular now(), which can overlay the real date time with a value from a ContextVar, assigned from a session value in EventMiddleware.
For more information, see doc/development/implementation/timemachine.rst
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Co-authored-by: Richard Schreiber <schreiber@rami.io>
Co-authored-by: Raphael Michel <michel@rami.io>
* Memberships: Prefer valid_from over event date for .is_valid()
* Fix tests
* Add parameter description
* Use reasonable default for requested_valid_from if membership starts in the future
* Set datetimepicker viewDate to closest allowed date
* Keep current value on going back to QuestionsStep
* Fix min_date/max_date in SplitDateTimePickerWidget
* Remove unused import
* Update src/pretix/base/models/memberships.py
Co-authored-by: Mira <weller@rami.io>
* Respect variations
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Co-authored-by: Mira Weller <weller@rami.io>
