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Subevents: Allow to skip conflicting dates in bulk-creation (Z#23217384) (#6079)

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* Subevents: Allow to skip conflicting dates in bulk-creation

* Update src/pretix/control/templates/pretixcontrol/subevents/bulk.html

* Fix overlap calc for consecutive subevents

* Add test for skipping conflicting dates in bulk-creation

---------

Co-authored-by: Richard Schreiber <schreiber@pretix.eu>
Co-authored-by: Richard Schreiber <schreiber@rami.io>
Co-authored-by: Kara Engelhardt <engelhardt@pretix.eu>
This commit is contained in:
Raphael Michel
2026-04-27 14:52:49 +02:00
committed by GitHub
parent 82a14a4f83
commit 88165c098e
4 changed files with 128 additions and 1 deletions
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29
src/pretix/control/views/subevents.py
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@@ -917,6 +917,35 @@ class SubEventBulkCreate(SubEventEditorMixin, EventPermissionRequiredMixin, Asyn
if len(subevents) > 100_000:
raise ValidationError(_('Please do not create more than 100.000 dates at once.'))
if form.cleaned_data.get("skip_if_overlap") and subevents:
def overlaps(a_from, a_to, b_from, b_to):
if a_from == b_from:
return True
if a_from > b_from:
# a starts after b
# check if it starts before b ends
return b_to and a_from < b_to
# a starts before b
# check if it ends before b starts
return a_to and a_to > b_from
date_min = min(se.date_from for se in subevents)
date_max = max(se.date_to or se.date_from for se in subevents)
dates_existing = list(self.request.event.subevents.annotate(
date_fromto=Coalesce('date_to', 'date_from'),
).filter(
date_from__lte=date_max,
date_fromto__gte=date_min,
).values('date_from', 'date_to'))
subevents = [
se for se in subevents if not any(
overlaps(se.date_from, se.date_to, other['date_from'], other['date_to'])
for other in dates_existing
)
]
if not subevents:
raise ValidationError(_('All dates would be skipped because they conflict with existing dates.'))
for i, se in enumerate(subevents):
se.save(clear_cache=False)
if i % 100 == 0: