Добавлена обработка уведомлений через ручку

app/domain/payment_notifications.py

@@ -0,0 +1,19 @@
+"""Pure rules for TBank payment notification handling."""
+
+from enum import Enum
+
+
+class TBankPaymentNotificationAction(str, Enum):
+    ACKNOWLEDGE_ONLY = "acknowledge_only"
+    REGISTER_CDEK_ORDER = "register_cdek_order"
+
+
+def resolve_tbank_payment_notification_action(
+    *,
+    status: str,
+    success: bool,
+    error_code: str,
+) -> TBankPaymentNotificationAction:
+    if status == "CONFIRMED" and success is True and error_code == "0":
+        return TBankPaymentNotificationAction.REGISTER_CDEK_ORDER
+    return TBankPaymentNotificationAction.ACKNOWLEDGE_ONLY