# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later

from note.models import NoteSpecial
from treasury.models import SpecialTransactionProxy, RemittanceType


def save_special_transaction(instance, created, **kwargs):
    """
    When a special transaction is created, we create its linked proxy
    """
    if created and isinstance(instance.source, NoteSpecial) \
            and RemittanceType.objects.filter(note=instance.source).exists():
        SpecialTransactionProxy.objects.create(transaction=instance, remittance=None).save()