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notifications-api/app/dao/date_util.py
2024-02-07 14:53:26 -07:00

67 lines
1.9 KiB
Python

from datetime import date, datetime, time, timedelta
def get_months_for_financial_year(year):
return [
month for month in (get_months_for_year(1, 13, year)) if month < datetime.now()
]
def get_months_for_year(start, end, year):
return [datetime(year, month, 1) for month in range(start, end)]
def get_calendar_year(year):
return get_new_years(year), get_new_years(year + 1) - timedelta(microseconds=1)
def get_calendar_year_dates(year):
year_start_datetime, year_end_datetime = get_calendar_year(year)
return (year_start_datetime.date(), year_end_datetime.date())
def get_current_calendar_year():
now = datetime.utcnow()
current_year = int(now.strftime("%Y"))
year = current_year
return get_calendar_year(year)
def get_new_years(year):
return datetime(year, 1, 1, 0, 0, 0)
def get_month_start_and_end_date_in_utc(month_year):
"""
This function return the start and date of the month_year as UTC,
:param month_year: the datetime to calculate the start and end date for that month
:return: start_date, end_date, month
"""
import calendar
_, num_days = calendar.monthrange(month_year.year, month_year.month)
first_day = datetime(month_year.year, month_year.month, 1, 0, 0, 0)
last_day = datetime(month_year.year, month_year.month, num_days, 23, 59, 59, 99999)
return first_day, last_day
def get_current_calendar_year_start_year():
now = datetime.now()
financial_year_start = now.year
start_date, end_date = get_calendar_year(now.year)
if now < start_date:
financial_year_start = financial_year_start - 1
return financial_year_start
def get_calendar_year_for_datetime(start_date):
if isinstance(start_date, date):
start_date = datetime.combine(start_date, time.min)
year = int(start_date.strftime("%Y"))
if start_date < get_new_years(year):
return year - 1
else:
return year