Merge branch 'yandex_rebiling' into 'dev'

finance email

See merge request !312

finance/signals.py

@@ -5,11 +5,27 @@ from django.dispatch import receiver
 from yandex_money.models import Payment
 from django.conf import settings
 
-from finance.models import Invoice
+from finance.models import Invoice, InvoiceRebilling
 from courses.models import Course
 from progress.models import Progress, ProgressLesson
 
 
+@receiver(pre_save, sender=InvoiceRebilling)
+def invoice_signal(instance, **kwargs):
+    """Отправка сообщения после сохранения рассрочки"""
+
+    if instance.yandex_pay and instance.method == 'Y' and instance.status == 'P':
+        msg = EmailMessage(
+            'Вам выставлен новый счёт',
+            """%s для оплаты перейдите по ссылке
+            %s/api/v1/finance/payment/%s/""" % (instance.get_comment(), settings.DOMAIN, instance.yandex_pay.id),
+            to=[instance.yandex_pay.cps_email],
+            bcc=[instance.bill.opener.email],
+            reply_to=[instance.bill.opener.email],
+        )
+        msg.send()
+
+
 @receiver(pre_save, sender=Invoice)
 def invoice_signal(instance, **kwargs):
     """Отправка сообщения после сохранения платежа"""