Sith/subscription/models.py
2016-08-30 17:41:42 +02:00

225 lines
9.2 KiB
Python

from datetime import date, timedelta
from django.db import models
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from django.conf import settings
from django.core.exceptions import ValidationError
from django.core.urlresolvers import reverse
from core.models import User
import MySQLdb
def validate_type(value):
if value not in settings.SITH_SUBSCRIPTIONS.keys():
raise ValidationError(_('Bad subscription type'))
def validate_payment(value):
if value not in settings.SITH_SUBSCRIPTION_PAYMENT_METHOD:
raise ValidationError(_('Bad payment method'))
class Subscriber(User):
class Meta:
proxy = True
def is_subscribed(self):
s = self.subscriptions.last()
return s.is_valid_now() if s is not None else False
def save(self):
super(Subscriber, self).save()
try: # Create user on the old site: TODO remove me!
db = MySQLdb.connect(**settings.OLD_MYSQL_INFOS)
c = db.cursor()
c.execute("""INSERT INTO utilisateurs (id_utilisateur, nom_utl, prenom_utl, email_utl, hash_utl, ae_utl) VALUES
(%s, %s, %s, %s, %s, %s)""", (self.id, self.last_name, self.first_name, self.email, "valid", "1"))
db.commit()
except Exception as e:
with open(settings.BASE_DIR+"/user_fail.log", "a") as f:
print("FAIL to add user %s (%s %s - %s) to old site" % (self.id, self.first_name, self.last_name,
self.email), file=f)
print("Reason: %s" % (repr(e)), file=f)
db.rollback()
class Subscription(models.Model):
member = models.ForeignKey(Subscriber, related_name='subscriptions')
subscription_type = models.CharField(_('subscription type'),
max_length=255,
choices=((k, v['name']) for k,v in sorted(settings.SITH_SUBSCRIPTIONS.items())))
subscription_start = models.DateField(_('subscription start'))
subscription_end = models.DateField(_('subscription end'))
payment_method = models.CharField(_('payment method'), max_length=255, choices=settings.SITH_SUBSCRIPTION_PAYMENT_METHOD)
location = models.CharField(choices=settings.SITH_SUBSCRIPTION_LOCATIONS,
max_length=20, verbose_name=_('location'))
class Meta:
ordering = ['subscription_start',]
def clean(self):
try:
for s in Subscription.objects.filter(member=self.member).exclude(pk=self.pk).all():
if s.is_valid_now():
raise ValidationError(_("You can not subscribe many time for the same period"))
except: # This should not happen, because the form should have handled the data before, but sadly, it still
# calls the model validation :'(
# TODO see SubscriptionForm's clean method
raise ValidationError(_("You are trying to create a subscription without member"))
def save(self):
super(Subscription, self).save()
from counter.models import Customer
if not Customer.objects.filter(user=self.member).exists():
last_id = Customer.objects.count() + 5195 # Number to keep a continuity with the old site
Customer(user=self.member, account_id=Customer.generate_account_id(last_id+1), amount=0).save()
self.member.make_home()
try: # Create subscription on the old site: TODO remove me!
LOCATION = {
"SEVENANS": 5,
"BELFORT": 6,
"MONTBELIARD": 9,
"EBOUTIC": 5,
}
TYPE = {
'un-semestre' : 0,
'deux-semestres' : 1,
'cursus-tronc-commun' : 2,
'cursus-branche' : 3,
'membre-honoraire' : 4,
'assidu' : 5,
'amicale/doceo' : 6,
'reseau-ut' : 7,
'crous' : 8,
'sbarro/esta' : 9,
'cursus-alternant' : 10,
}
PAYMENT = {
"CHECK" : 1,
"CARD" : 2,
"CASH" : 3,
"OTHER" : 4,
"EBOUTIC" : 5,
"OTHER" : 0,
}
db = MySQLdb.connect(**settings.OLD_MYSQL_INFOS)
c = db.cursor()
c.execute("""INSERT INTO ae_cotisations (id_utilisateur, date_cotis, date_fin_cotis, mode_paiement_cotis,
type_cotis, id_comptoir) VALUES (%s, %s, %s, %s, %s, %s)""", (self.member.id, self.subscription_start,
self.subscription_end, PAYMENT[self.payment_method], TYPE[self.subscription_type],
LOCATION[self.location]))
db.commit()
except Exception as e:
with open(settings.BASE_DIR+"/subscription_fail.log", "a") as f:
print("FAIL to add subscription to %s to old site" % (self.member), file=f)
print("Reason: %s" % (repr(e)), file=f)
db.rollback()
def get_absolute_url(self):
return reverse('core:user_edit', kwargs={'user_id': self.member.pk})
def __str__(self):
if hasattr(self, "member") and self.member is not None:
return self.member.username+' - '+str(self.pk)
else:
return 'No user - '+str(self.pk)
@staticmethod
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.
It takes the nearest past start date.
Exemples: with SITH_START_DATE = (8, 15)
Today -> Start date
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])
start2 = start.replace(month=(start.month+6)%12)
if start > start2:
start, start2 = start2, start
if today < start:
return start2.replace(year=year-1)
elif today < start2:
return start
else:
return start2
@staticmethod
def compute_end(duration, start=None):
"""
This function compute the end date of the subscription given a start date and a duration in number of semestre
Exemple:
Start - Duration -> End date
2015-09-18 - 1 -> 2016-03-18
2015-09-18 - 2 -> 2016-09-18
2015-09-18 - 3 -> 2017-03-18
2015-09-18 - 4 -> 2017-09-18
"""
if start is None:
start = Subscription.compute_start(duration=duration)
# This can certainly be simplified, but it works like this
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_root
def is_valid_now(self):
return self.subscription_start <= date.today() and date.today() <= self.subscription_end
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))
guy_test(date(2015, 2, 17))
guy_test(date(2015, 3, 17))
guy_test(date(2015, 1, 11))
guy_test(date(2015, 2, 11))
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))
bibou_test(4, date(2015, 2, 18))
bibou_test(1, date(2015, 9, 18))
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(1, date(2000, 2, 29))
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)
bibou_test(4)
if __name__ == "__main__":
guy()