Commit e3705f9f authored by Skia's avatar Skia

Make sliding subscriptions for 1 or 2 semesters

parent 80f72df1
......@@ -64,7 +64,7 @@ class Subscription(models.Model):
@staticmethod
def compute_start(d=date.today()):
def compute_start(d=date.today(), duration=1):
"""
This function computes the start date of the subscription with respect to the given date (default is today),
and the start date given in settings.SITH_START_DATE.
......@@ -74,6 +74,8 @@ class Subscription(models.Model):
2015-03-17 -> 2015-02-15
2015-01-11 -> 2014-08-15
"""
if duration <= 2: # Sliding subscriptions for 1 or 2 semesters
return d
today = d
year = today.year
start = date(year, settings.SITH_START_DATE[0], settings.SITH_START_DATE[1])
......@@ -99,21 +101,26 @@ class Subscription(models.Model):
2015-09-18 - 4 -> 2017-09-18
"""
if start is None:
start = Subscription.compute_start()
start = Subscription.compute_start(duration=duration)
# This can certainly be simplified, but it works like this
return start.replace(month=(start.month+6*duration)%12,
try:
return start.replace(month=(start.month-1+6*duration)%12+1,
year=start.year+int(duration/2)+(1 if start.month > 6 and duration%2 == 1 else 0))
except ValueError as e:
return start.replace(day=1, month=(start.month+6*duration)%12+1,
year=start.year+int(duration/2)+(1 if start.month > 6 and duration%2 == 1 else 0))
def can_be_edited_by(self, user):
return user.is_in_group(settings.SITH_MAIN_BOARD_GROUP) or user.is_in_group(settings.SITH_GROUPS['root']['name'])
def is_valid_now(self):
return self.subscription_start <= date.today() and date.today() <= self.subscription_end
def guy_test(date):
print(str(date)+" -> "+str(Subscription.compute_start(date)))
def bibou_test(duration, date=None):
print(str(date)+" - "+str(duration)+" -> "+str(Subscription.compute_end(duration, date)))
def guy_test(date, duration=4):
print(str(date)+" - "+str(duration)+" -> "+str(Subscription.compute_start(date, duration)))
def bibou_test(duration, date=date.today()):
print(str(date)+" - "+str(duration)+" -> "+str(Subscription.compute_end(duration, Subscription.compute_start(date, duration))))
def guy():
guy_test(date(2015, 7, 11))
guy_test(date(2015, 8, 11))
......@@ -124,6 +131,15 @@ def guy():
guy_test(date(2015, 8, 17))
guy_test(date(2015, 9, 17))
print('='*80)
guy_test(date(2015, 7, 11), 1)
guy_test(date(2015, 8, 11), 2)
guy_test(date(2015, 2, 17), 3)
guy_test(date(2015, 3, 17), 4)
guy_test(date(2015, 1, 11), 1)
guy_test(date(2015, 2, 11), 2)
guy_test(date(2015, 8, 17), 3)
guy_test(date(2015, 9, 17), 4)
print('='*80)
bibou_test(1, date(2015, 2, 18))
bibou_test(2, date(2015, 2, 18))
bibou_test(3, date(2015, 2, 18))
......@@ -132,6 +148,10 @@ def guy():
bibou_test(2, date(2015, 9, 18))
bibou_test(3, date(2015, 9, 18))
bibou_test(4, date(2015, 9, 18))
print('='*80)
bibou_test(2, date(2000, 2, 29))
bibou_test(1, date(2000, 5, 31))
bibou_test(1, date(2000, 7, 31))
bibou_test(1)
bibou_test(2)
bibou_test(3)
......
......@@ -66,7 +66,8 @@ class NewSubscription(CanEditMixin, CreateView): # TODO: this must be able to cr
return {}
def form_valid(self, form):
form.instance.subscription_start = Subscription.compute_start()
form.instance.subscription_start = Subscription.compute_start(
duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type]['duration'])
form.instance.subscription_end = Subscription.compute_end(
duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type]['duration'],
start=form.instance.subscription_start
......
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