fix: log confirmation link before email delivery

backend/bookings/emailing.py

@@ -50,11 +50,14 @@ def send_confirmation_email(*, reservation, raw_confirmation_token):
             fail_silently=False,
         )
     except Exception:
-        _log_confirmation_link_for_local_debug(
+        if settings.LOG_RESERVATION_CONFIRMATION_URLS:
-            reservation=reservation,
+            logger.warning(
-            confirmation_link=confirmation_link,
+                "Failed to send confirmation email for reservation %s in local/debug mode.",
-            reason="email send failure fallback",
+                reservation.id,
+                exc_info=True,
             )
+            return
+
         logger.exception(
             "Failed to send confirmation email for reservation %s.",
             reservation.id,

backend/bookings/test_services.py

@@ -156,7 +156,7 @@ class BookingServiceTests(TestCase):
         SITE_BASE_URL="https://tickets.azionelab.example",
     )
     @patch("bookings.emailing.send_mail", side_effect=RuntimeError("SMTP down"))
-    def test_create_pending_reservation_logs_confirmation_link_on_email_failure_in_local_mode(
+    def test_create_pending_reservation_logs_confirmation_link_before_email_failure_in_local_mode(
         self,
         mocked_send_mail,
     ):
@@ -171,16 +171,50 @@ class BookingServiceTests(TestCase):
 
         self.assertEqual(result.reservation.status, Reservation.Status.PENDING)
         mocked_send_mail.assert_called_once()
-        self.assertTrue(
+        confirmation_log_index = next(
-            any(
+            index
-                (
+            for index, log_entry in enumerate(captured_logs.output)
+            if (
                 "Local reservation confirmation link for manual testing "
-                    "(email send failure fallback)"
+                "(email send attempt)"
             ) in log_entry
             and result.raw_confirmation_token in log_entry
+        )
+        failure_log_index = next(
+            index
+            for index, log_entry in enumerate(captured_logs.output)
+            if "Failed to send confirmation email for reservation" in log_entry
+        )
+
+        self.assertLess(confirmation_log_index, failure_log_index)
+        self.assertEqual(
+            sum(
+                result.raw_confirmation_token in log_entry
                 for log_entry in captured_logs.output
+            ),
+            1,
         )
+
+    @override_settings(
+        LOG_RESERVATION_CONFIRMATION_URLS=False,
+        SITE_BASE_URL="https://tickets.azionelab.example",
     )
+    @patch("bookings.emailing.send_mail")
+    def test_create_pending_reservation_does_not_log_confirmation_link_outside_local_mode(
+        self,
+        mocked_send_mail,
+    ):
+        with self.assertNoLogs("bookings.emailing", level="INFO"):
+            with self.captureOnCommitCallbacks(execute=True):
+                result = create_pending_reservation(
+                    performance_id=self.performance.id,
+                    name="Maria Rossi",
+                    email="maria@example.com",
+                    party_size=1,
+                )
+
+        self.assertEqual(result.reservation.status, Reservation.Status.PENDING)
+        mocked_send_mail.assert_called_once()
 
     def test_generate_confirmation_token_returns_raw_token_once(self):
         reservation = self.create_reservation()