Send alerts if API issued refunds don't complete within 3 days

diff --git a/postgresqleu/invoices/management/commands/process_refunds.py b/postgresqleu/invoices/management/commands/process_refunds.py
index 66df7c4fe7382852bf0ffe6d4892c2b1fece3c35..de254231856b5b355b3e166b8aa389c54a3b24ef 100644 (file)
--- a/postgresqleu/invoices/management/commands/process_refunds.py
+++ b/postgresqleu/invoices/management/commands/process_refunds.py
@@ -10,9 +10,13 @@
 
 from django.core.management.base import BaseCommand, CommandError
 from django.db import transaction
+from django.conf import settings
 
 from postgresqleu.invoices.models import InvoiceRefund
 from postgresqleu.invoices.util import InvoiceManager
+from postgresqleu.mailqueue.util import send_simple_mail
+
+from datetime import datetime, timedelta
 
 class Command(BaseCommand):
        help = 'Send off API-based refunds'
@@ -37,3 +41,22 @@ class Command(BaseCommand):
                                manager.autorefund_invoice(rr.invoice)
 
                                self.stdout.write("Issued API refund of invoice {0}.".format(rr.invoice.pk))
+
+               # Send alerts for any refunds that have been issued but that have not completed within
+               # 3 days (completely arbitrary, but normally it happens within seconds/minutes/hours).
+               stalledrefunds = InvoiceRefund.objects.filter(issued__isnull=False, completed__isnull=True,
+                                                                                                         issued__lt=datetime.now()-timedelta(days=3))
+               if stalledrefunds:
+                       send_simple_mail(settings.INVOICE_SENDER_EMAIL,
+                                                        settings.INVOICE_SENDER_EMAIL,
+                                                        "Stalled invoice refunds",
+                                                        u"""One or more invoice refunds appear to be stalled.
+These refunds have been issued to the provider, but no confirmation has
+shown up. This requires manual investigation.
+
+The following invoices have stalled refunds:
+
+{0}
+
+Better go check!
+""".format(u"\n".join([r.invoice.invoicestr for r in stalledrefunds])))