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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 datetime import date
from datetime import date, timedelta
# Image utils
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)
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:
"""Return the semester code of the given date.
If no date is given, return the semester code of the current semester.