mirror of
https://gitlab.crans.org/bde/nk20
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320 lines
10 KiB
Python
320 lines
10 KiB
Python
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import datetime
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import os
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.template import loader
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from django.urls import reverse, reverse_lazy
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from django.utils.encoding import force_bytes
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from django.utils.http import urlsafe_base64_encode
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from django.utils.translation import gettext_lazy as _
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from registration.tokens import email_validation_token
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from note.models import MembershipTransaction
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class Profile(models.Model):
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"""
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An user profile
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We do not want to patch the Django Contrib :model:`auth.User`model;
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so this model add an user profile with additional information.
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"""
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user = models.OneToOneField(
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settings.AUTH_USER_MODEL,
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on_delete=models.CASCADE,
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)
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phone_number = models.CharField(
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verbose_name=_('phone number'),
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max_length=50,
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blank=True,
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null=True,
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)
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section = models.CharField(
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verbose_name=_('section'),
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help_text=_('e.g. "1A0", "9A♥", "SAPHIRE"'),
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max_length=255,
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blank=True,
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null=True,
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)
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address = models.CharField(
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verbose_name=_('address'),
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max_length=255,
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blank=True,
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null=True,
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)
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paid = models.BooleanField(
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verbose_name=_("paid"),
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help_text=_("Tells if the user receive a salary."),
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default=False,
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)
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email_confirmed = models.BooleanField(
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verbose_name=_("email confirmed"),
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default=False,
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)
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registration_valid = models.BooleanField(
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verbose_name=_("registration valid"),
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default=False,
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)
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soge = models.BooleanField(
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verbose_name=_("Société générale"),
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help_text=_("Has the user ever be paid by the Société générale?"),
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default=False,
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)
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class Meta:
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verbose_name = _('user profile')
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verbose_name_plural = _('user profile')
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indexes = [models.Index(fields=['user'])]
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def get_absolute_url(self):
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return reverse('user_detail', args=(self.pk,))
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def send_email_validation_link(self):
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subject = "Activate your Note Kfet account"
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message = loader.render_to_string('registration/mails/email_validation_email.html',
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{
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'user': self.user,
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'domain': os.getenv("NOTE_URL", "note.example.com"),
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'token': email_validation_token.make_token(self.user),
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'uid': urlsafe_base64_encode(force_bytes(self.user.pk)).decode('UTF-8'),
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})
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self.user.email_user(subject, message)
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class Club(models.Model):
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"""
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A club is a group of people, whose membership is handle by their
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:model:`member.Membership`, and gives access to right defined by a :model:`member.Role`.
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"""
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name = models.CharField(
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verbose_name=_('name'),
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max_length=255,
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unique=True,
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)
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email = models.EmailField(
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verbose_name=_('email'),
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)
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parent_club = models.ForeignKey(
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'self',
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null=True,
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blank=True,
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on_delete=models.PROTECT,
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verbose_name=_('parent club'),
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)
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# Memberships
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# When set to False, the membership system won't be used.
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# Useful to create notes for activities or departments.
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require_memberships = models.BooleanField(
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default=True,
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verbose_name=_("require memberships"),
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help_text=_("Uncheck if this club don't require memberships."),
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)
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membership_fee_paid = models.PositiveIntegerField(
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default=0,
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verbose_name=_('membership fee (paid students)'),
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)
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membership_fee_unpaid = models.PositiveIntegerField(
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default=0,
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verbose_name=_('membership fee (unpaid students)'),
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)
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membership_duration = models.PositiveIntegerField(
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blank=True,
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null=True,
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verbose_name=_('membership duration'),
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help_text=_('The longest time (in days) a membership can last '
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'(NULL = infinite).'),
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)
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membership_start = models.DateField(
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blank=True,
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null=True,
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verbose_name=_('membership start'),
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help_text=_('How long after January 1st the members can renew '
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'their membership.'),
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)
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membership_end = models.DateField(
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blank=True,
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null=True,
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verbose_name=_('membership end'),
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help_text=_('How long the membership can last after January 1st '
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'of the next year after members can renew their '
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'membership.'),
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)
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def update_membership_dates(self):
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"""
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This function is called each time the club detail view is displayed.
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Update the year of the membership dates.
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"""
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if not self.membership_start:
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return
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today = datetime.date.today()
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if (today - self.membership_start).days >= 365:
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self.membership_start = datetime.date(self.membership_start.year + 1,
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self.membership_start.month, self.membership_start.day)
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self.membership_end = datetime.date(self.membership_end.year + 1,
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self.membership_end.month, self.membership_end.day)
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self.save(force_update=True)
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def save(self, force_insert=False, force_update=False, using=None,
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update_fields=None):
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if not self.require_memberships:
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self.membership_fee_paid = 0
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self.membership_fee_unpaid = 0
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self.membership_duration = None
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self.membership_start = None
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self.membership_end = None
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super().save(force_insert, force_update, update_fields)
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class Meta:
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verbose_name = _("club")
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verbose_name_plural = _("clubs")
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def __str__(self):
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return self.name
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def get_absolute_url(self):
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return reverse_lazy('member:club_detail', args=(self.pk,))
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class Role(models.Model):
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"""
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Role that an :model:`auth.User` can have in a :model:`member.Club`
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"""
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name = models.CharField(
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verbose_name=_('name'),
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max_length=255,
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unique=True,
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)
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class Meta:
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verbose_name = _('role')
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verbose_name_plural = _('roles')
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def __str__(self):
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return str(self.name)
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class Membership(models.Model):
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"""
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Register the membership of a user to a club, including roles and membership duration.
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"""
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user = models.ForeignKey(
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User,
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on_delete=models.PROTECT,
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verbose_name=_("user"),
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)
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club = models.ForeignKey(
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Club,
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on_delete=models.PROTECT,
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verbose_name=_("club"),
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)
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roles = models.ManyToManyField(
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Role,
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verbose_name=_("roles"),
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)
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date_start = models.DateField(
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default=datetime.date.today,
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verbose_name=_('membership starts on'),
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)
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date_end = models.DateField(
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verbose_name=_('membership ends on'),
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null=True,
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)
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fee = models.PositiveIntegerField(
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verbose_name=_('fee'),
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)
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def valid(self):
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"""
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A membership is valid if today is between the start and the end date.
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"""
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if self.date_end is not None:
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return self.date_start.toordinal() <= datetime.datetime.now().toordinal() < self.date_end.toordinal()
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else:
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return self.date_start.toordinal() <= datetime.datetime.now().toordinal()
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def save(self, *args, **kwargs):
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"""
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Calculate fee and end date before saving the membership and creating the transaction if needed.
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"""
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if self.club.parent_club is not None:
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if not Membership.objects.filter(user=self.user, club=self.club.parent_club).exists():
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raise ValidationError(_('User is not a member of the parent club') + ' ' + self.club.parent_club.name)
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created = not self.pk
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if created:
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if Membership.objects.filter(
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user=self.user,
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club=self.club,
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date_start__lte=self.date_start,
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date_end__gte=self.date_start,
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).exists():
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raise ValidationError(_('User is already a member of the club'))
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if self.user.profile.paid:
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self.fee = self.club.membership_fee_paid
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else:
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self.fee = self.club.membership_fee_unpaid
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if self.club.membership_duration is not None:
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self.date_end = self.date_start + datetime.timedelta(days=self.club.membership_duration)
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else:
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self.date_end = self.date_start + datetime.timedelta(days=424242)
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if self.club.membership_end is not None and self.date_end > self.club.membership_end:
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self.date_end = self.club.membership_end
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super().save(*args, **kwargs)
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self.make_transaction()
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def make_transaction(self):
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"""
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Create Membership transaction associated to this membership.
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"""
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if not self.fee or MembershipTransaction.objects.filter(membership=self).exists():
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return
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if self.fee:
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transaction = MembershipTransaction(
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membership=self,
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source=self.user.note,
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destination=self.club.note,
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quantity=1,
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amount=self.fee,
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reason="Adhésion " + self.club.name,
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)
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transaction._force_save = True
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transaction.save(force_insert=True)
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def __str__(self):
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return _("Membership of {user} for the club {club}").format(user=self.user.username, club=self.club.name, )
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class Meta:
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verbose_name = _('membership')
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verbose_name_plural = _('memberships')
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indexes = [models.Index(fields=['user'])]
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