|
from django.contrib.auth.models import Group
|
|
|
|
from datetime import timedelta, datetime
|
|
|
|
__EPOCH = datetime(day=5,month=1,year=1970)
|
|
|
|
def __date_to_datetime(date):
|
|
return datetime(date.year, date.month, date.day)
|
|
|
|
def weeks_since_epoch(date):
|
|
days_since_epoch = (__date_to_datetime(date) - __EPOCH).days
|
|
return days_since_epoch // 7
|
|
|
|
def weekday_ranks(date):
|
|
'''Returns n so that if date occurs on a certain weekday, this is the
|
|
n-th weekday of the month counting from 0. Also return 4 if this the
|
|
last suck weekday of the month. '''
|
|
n = 0
|
|
month = date.month
|
|
i = date - timedelta(days=7)
|
|
while i.month == month:
|
|
n += 1
|
|
i = i - timedelta(days=7)
|
|
if (date+timedelta(days=7)).month != month and n != 4:
|
|
return n, 4
|
|
else:
|
|
return n,
|
|
|
|
def is_super_user(user):
|
|
if not user or not user.is_authenticated():
|
|
return False
|
|
if user.is_superuser:
|
|
return True
|
|
super_group = None
|
|
try:
|
|
super_group = Group.objects.get(name='Super utilisateurs')
|
|
except:
|
|
return False
|
|
if super_group in user.groups.all():
|
|
return True
|
|
return False
|
|
|
|
def is_validator(user):
|
|
if is_super_user(user):
|
|
return True
|
|
if not user or not user.is_authenticated():
|
|
return False
|
|
validator_group = None
|
|
try:
|
|
validator_group = Group.objects.get(name='Administratifs')
|
|
except:
|
|
return False
|
|
if validator_group in user.groups.all():
|
|
return True
|
|
return False
|