from finance.tasks import send_to_yandex
from django.db.models.signals import pre_save
from django.dispatch import receiver

from finance.models import Invoice


@receiver(pre_save, sender=Invoice)
def delete_dependencies(instance, **kwargs):
    """Отправка сообщения после сохранения платежа"""
    if instance.yandex_pay and instance.method == 'Y' and instance.status == 'P':
        send_to_yandex(instance.yandex_pay)