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manager.py
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manager.py
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import datetime
class HolidayManager(object):
NEW_YEAR = None
EPIPHANY = None
LIBERATION = None
LABOUR_DAY = None
REPUBLIC_DAY = None
ASSUMPTION_DAY = None
ALL_SAINTS = None
IMMACULATE_DAY = None
CHRISTMAS = None
STEPHEN = None
SATURDAY = 5
SUNDAY = 6
def __init__(self, tempDate:datetime.date=None):
if tempDate is not None:
self.tempDate = tempDate
self.init_static_holidays(year=self.tempDate.year)
else:
year = datetime.datetime.now().year
self.init_static_holidays(year=year)
def init_static_holidays(self, year: int) -> None:
"""
Method that initialize static holidays date with the year parameter
:param year: int
:return:
"""
self.NEW_YEAR = datetime.date(year, 1, 1)
self.EPIPHANY = datetime.date(year, 1, 6)
self.LIBERATION = datetime.date(year, 4, 25)
self.LABOUR_DAY = datetime.date(year, 5, 1)
self.REPUBLIC_DAY = datetime.date(year, 6, 2)
self.ASSUMPTION_DAY = datetime.date(year, 8, 15)
self.ALL_SAINTS = datetime.date(year, 11, 1)
self.IMMACULATE_DAY = datetime.date(year, 12, 8)
self.CHRISTMAS = datetime.date(year, 12, 25)
self.STEPHEN = datetime.date(year, 12, 26)
def checkholidays(self, date: datetime.date) -> bool:
return self.checkeaster(date) or\
self.check_static_holidays(date) or\
self.check_weekend(date)
pass
def checkeaster(self, date: datetime.date) -> bool:
if date == self.calculate_easter(date.year):
return True
else:
return False
def check_static_holidays(self, date: datetime.date) -> bool:
if self.NEW_YEAR == date or\
self.EPIPHANY == date or\
self.LIBERATION == date or\
self.LABOUR_DAY == date or\
self.REPUBLIC_DAY == date or\
self.ASSUMPTION_DAY == date or\
self.ALL_SAINTS == date or\
self.IMMACULATE_DAY == date or\
self.CHRISTMAS == date or\
self.STEPHEN == date:
return True
else:
return False
def check_weekend(self, date: datetime.date):
if date.weekday() == self.SATURDAY or date.weekday() == self.SUNDAY:
return True
else:
return False
def calculate_easter(self, year: int) -> datetime.date:
"""
Calculates easter date with Gauss method
:param year:
:return: easter date
"""
a = year % 19
b = year % 4
c = year % 7
d = ((19 * a) + self.__get_M(year=year)) % 30
e = ((2 * b) + (4 * c) + (6 * d) + self.__get_N(year=year)) % 7
month = 0
day = 0
if d+e < 10:
day = (d + e + 22)
month = 3
else:
day = (d + e - 9)
month = 4
return datetime.date(year, month, day)
def __get_M(self, year: int) -> int:
if 1900 <= year <= 2199:
return 24
if (2200 <= year <= 2299) or (2400 <= year <= 2499):
return 25
if 2300 <= year <= 2399:
return 26
def __get_N(self, year: int) -> int:
if 1900 <= year <= 2099:
return 5
if 2100 <= year <= 2199:
return 6
if 2200 <= year <= 2299:
return 0
if 2300 <= year <= 2499:
return 1