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Item validity: Compute month ranges one day shorter

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Raphael Michel
2023-02-14 09:24:28 +01:00
parent 04cb7d3ec5
commit 5ae3b27e83
2 changed files with 27 additions and 10 deletions
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12
src/pretix/base/models/items.py
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@@ -850,8 +850,18 @@ class Item(LoggedModel):
valid_until = requested_start.astimezone(tz)
if self.validity_dynamic_duration_months:
valid_until -= timedelta(days=1)
replace_day = valid_until.day
max_day_start_month = calendar.monthrange(valid_until.year, valid_until.month)[1]
if replace_day == max_day_start_month:
# This is a correction for month passes that start e.g. on March 1st – their previous day should
# be "last of previous month", not "28th of previous month".
replace_day = 31
replace_year = valid_until.year
replace_month = valid_until.month + self.validity_dynamic_duration_months
while replace_month > 12:
replace_month -= 12
replace_year += 1
@@ -859,7 +869,7 @@ class Item(LoggedModel):
replace_date = date(
year=replace_year,
month=replace_month,
day=min(valid_until.day, max_day),
day=min(replace_day, max_day),
)
if self.validity_dynamic_duration_days:
replace_date += timedelta(days=self.validity_dynamic_duration_days)