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https://gitlab.crans.org/bde/nk20
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Automatically link SpecialTransactions and their proxies
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commit
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@ -2,9 +2,24 @@
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# SPDX-License-Identifier: GPL-3.0-or-later
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.apps import AppConfig
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from django.apps import AppConfig
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from django.db.models.signals import post_save
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from django.utils.translation import gettext_lazy as _
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from django.utils.translation import gettext_lazy as _
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class TreasuryConfig(AppConfig):
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class TreasuryConfig(AppConfig):
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name = 'treasury'
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name = 'treasury'
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verbose_name = _('Treasury')
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verbose_name = _('Treasury')
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def ready(self):
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"""
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Define app internal signals to interact with other apps
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"""
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from . import signals
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from note.models import SpecialTransaction
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from treasury.models import SpecialTransactionProxy
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post_save.connect(signals.save_special_transaction, sender=SpecialTransaction)
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# If the treasury app was disabled, we ensure that each special transaction is linked to a proxy
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for transaction in SpecialTransaction.objects.filter(specialtransactionproxy=None):
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SpecialTransactionProxy.objects.create(transaction=transaction, remittance=None)
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@ -9,6 +9,10 @@ from note.models import NoteSpecial, SpecialTransaction
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class Invoice(models.Model):
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class Invoice(models.Model):
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"""
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An invoice model that can generate a true invoice
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"""
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id = models.PositiveIntegerField(
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id = models.PositiveIntegerField(
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primary_key=True,
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primary_key=True,
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verbose_name=_("Invoice identifier"),
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verbose_name=_("Invoice identifier"),
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@ -57,6 +61,10 @@ class Invoice(models.Model):
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class Product(models.Model):
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class Product(models.Model):
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"""
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Product that appear on an invoice.
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"""
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invoice = models.ForeignKey(
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invoice = models.ForeignKey(
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Invoice,
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Invoice,
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on_delete=models.PROTECT,
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on_delete=models.PROTECT,
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@ -89,6 +97,10 @@ class Product(models.Model):
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class Remittance(models.Model):
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class Remittance(models.Model):
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"""
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Treasurers want to regroup checks or bank transfers in bank remittances.
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"""
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date = models.DateTimeField(
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date = models.DateTimeField(
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auto_now_add=True,
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auto_now_add=True,
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verbose_name=_("Date"),
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verbose_name=_("Date"),
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@ -132,6 +144,12 @@ class Remittance(models.Model):
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class SpecialTransactionProxy(models.Model):
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class SpecialTransactionProxy(models.Model):
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"""
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In order to keep modularity, we don't that the Note app depends on the treasury app.
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That's why we create a proxy in this app, to link special transactions and remittances.
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If it isn't very clean, that makes what we want.
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"""
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transaction = models.OneToOneField(
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transaction = models.OneToOneField(
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SpecialTransaction,
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SpecialTransaction,
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on_delete=models.CASCADE,
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on_delete=models.CASCADE,
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12
apps/treasury/signals.py
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12
apps/treasury/signals.py
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@ -0,0 +1,12 @@
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# 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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from treasury.models import SpecialTransactionProxy
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def save_special_transaction(instance, created, **kwargs):
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"""
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When a special transaction is created, we create its linked proxy
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"""
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if created:
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SpecialTransactionProxy.objects.create(transaction=instance, remittance=None).save()
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