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Add remittance model
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@ -6,6 +6,7 @@ from django.urls import reverse
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from django.utils import timezone
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from django.utils.translation import gettext_lazy as _
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from polymorphic.models import PolymorphicModel
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from treasury.models import Remittance
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from .notes import Note, NoteClub, NoteSpecial
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@ -209,6 +210,13 @@ class SpecialTransaction(Transaction):
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blank=True,
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)
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remittance = models.ForeignKey(
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Remittance,
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on_delete=models.PROTECT,
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null=True,
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verbose_name=_("Remittance"),
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)
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@property
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def type(self):
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return _('Credit') if isinstance(self.source, NoteSpecial) else _("Debit")
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@ -1,8 +1,10 @@
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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 django.core.exceptions import ValidationError
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from django.db import models
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from django.db.models import Q
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from django.utils.translation import gettext_lazy as _
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from note.models import NoteSpecial
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class Invoice(models.Model):
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@ -83,3 +85,37 @@ class Product(models.Model):
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@property
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def total_euros(self):
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return self.total / 100
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class Remittance(models.Model):
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date = models.DateField(
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auto_now_add=True,
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verbose_name=_("Date"),
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)
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type = models.ForeignKey(
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NoteSpecial,
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on_delete=models.PROTECT,
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verbose_name=_("Type"),
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)
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comment = models.CharField(
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max_length=255,
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verbose_name=_("Comment"),
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)
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@property
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def size(self):
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return self.specialtransaction_set.count()
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@property
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def amount(self):
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return sum(transaction.total for transaction in self.specialtransaction_set.all())
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def full_clean(self, exclude=None, validate_unique=True):
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ret = super().full_clean(exclude, validate_unique)
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if self.specialtransaction_set.filter(~Q(source=self.type)).exists():
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raise ValidationError("All transactions in a remittance must have the same type")
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return ret
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