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get_end_of_semester util function

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imperosol 2025-01-10 00:31:38 +01:00
parent d3f21c8f16
commit 600657b1a8
1 changed files with 17 additions and 1 deletions
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18
core/utils.py
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@ -14,7 +14,7 @@
# #
from dataclasses import dataclass from dataclasses import dataclass
from datetime import date from datetime import date, timedelta
# Image utils # Image utils
from io import BytesIO from io import BytesIO
@ -77,6 +77,22 @@ def get_start_of_semester(today: date | None = None) -> date:
return autumn.replace(year=autumn.year - 1) return autumn.replace(year=autumn.year - 1)
def get_end_of_semester(today: date | None = None):
"""Return the date of the end of the semester of the given date.
If no date is given, return the end date of the current semester.
"""
# the algorithm is simple, albeit somewhat imprecise :
# 1. get the start of the next semester
# 2. Remove a month and a half for the autumn semester (summer holidays)
# and 28 days for spring semester (february holidays)
if today is None:
today = localdate()
semester_start = get_start_of_semester(today + timedelta(days=365 // 2))
if semester_start.month == settings.SITH_SEMESTER_START_AUTUMN[0]:
return semester_start - timedelta(days=45)
return semester_start - timedelta(days=28)
def get_semester_code(d: date | None = None) -> str: def get_semester_code(d: date | None = None) -> str:
"""Return the semester code of the given date. """Return the semester code of the given date.
If no date is given, return the semester code of the current semester. If no date is given, return the semester code of the current semester.