nk20/note/models.py

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# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
from django.conf import settings
from django.contrib.auth.models import User
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from django.db import models
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from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes.fields import GenericForeignKey
class Alias(models.Model):
"""
A alias labels a Note instance, only for user and clubs
"""
alias = models.TextField(
"alias",
unique = True,
blank = False,
null = False,
)
limit = models.Q(app_label="note", model="NoteUser") | models.Q(app_label="note",model="NoteClub")
owner_id = models.PositiveIntegerField()
owner_type = models.ForeignKey(ContentType,
on_delete=models.CASCADE,
limit_choices_to=limit)
owner = GenericForeignKey('owner_type','owner_id')
class Note(models.Model):
"""
An abstract model, use to add transactions capabilities to a user
"""
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solde = models.IntegerField(
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verbose_name=_('solde du compte'),
help_text=_("en centime, l' argent crédité pour cette instance")
)
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active = models.BooleanField(
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default = True,
verbose_name=_('etat du compte')
)
class Meta:
abstract = True
class NoteUser(Note):
"""
A Note associated to a User
"""
user = models.OneToOneField(
settings.AUTH_USER_MODEL,
on_delete=models.CASCADE,
)
class Meta:
verbose_name = _("One's Note")
verbose_name_plural = _("Users Note")
def __str__(self):
return self.user.get_username()
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aliases = models.ForeignKey(Aliases)
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class NoteSpec(Note):
"""
A Note for special Account, where real money enter or leave the system.
- Cash
- Credit Card
- Bank Transfert
- Bank Check
- Refund
"""
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account_type = models.CharField(
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max_length = 2,
choices = (("CH","chèques"),
("CB","Carte Bancaire"),
("VB","Virement Bancaire"),
("CA","Cash"),
("RB","Remboursement")
),
unique = True
)
class NoteClub(Note):
#to be added
pass