Добавлена обработка уведомлений через ручку

app/adapters/delivery_providers/cdek/order_mapper.py

@@ -15,6 +15,7 @@ class CDEKOrderMappingError(ValueError):
 
 def map_cdek_order_request(request: InitPaymentRequest) -> dict[str, Any]:
     payload: dict[str, Any] = {
+        "number": request.order_uuid,
         "type": request.type,
         "tariff_code": request.tariff_code,
         "sender": _map_order_party(request.sender),
@@ -44,6 +45,22 @@ def map_cdek_order_response(payload: dict[str, Any]) -> str:
     return order_uuid
 
 
+_CDEK_DUPLICATE_ORDER_ERROR_CODES = frozenset({"v2_entity_already_exists"})
+
+
+def map_cdek_existing_order_response(payload: object) -> str | None:
+    if not isinstance(payload, dict):
+        return None
+
+    if not _contains_cdek_duplicate_error_code(payload):
+        return None
+
+    try:
+        return map_cdek_order_response(payload)
+    except CDEKOrderMappingError:
+        return _find_first_uuid(payload)
+
+
 def _map_order_party(party: PaymentParty) -> dict[str, Any]:
     return {
         "name": party.name,
@@ -56,3 +73,34 @@ def _map_order_package(package: PaymentPackage) -> dict[str, Any]:
     payload = package.model_dump(mode="python", exclude_none=True)
     payload["weight"] = package.weight * 1000
     return payload
+
+
+def _contains_cdek_duplicate_error_code(payload: object) -> bool:
+    if isinstance(payload, dict):
+        code = payload.get("code")
+        if isinstance(code, str) and code in _CDEK_DUPLICATE_ORDER_ERROR_CODES:
+            return True
+        return any(
+            _contains_cdek_duplicate_error_code(value)
+            for value in payload.values()
+        )
+    if isinstance(payload, list):
+        return any(_contains_cdek_duplicate_error_code(item) for item in payload)
+    return False
+
+
+def _find_first_uuid(payload: object) -> str | None:
+    if isinstance(payload, dict):
+        value = payload.get("uuid")
+        if isinstance(value, str) and value:
+            return value
+        for nested_value in payload.values():
+            nested_uuid = _find_first_uuid(nested_value)
+            if nested_uuid is not None:
+                return nested_uuid
+    if isinstance(payload, list):
+        for item in payload:
+            nested_uuid = _find_first_uuid(item)
+            if nested_uuid is not None:
+                return nested_uuid
+    return None