feat: expand platform APIs, sources, and test coverage

src/apps/exchange/services.py

@@ -79,7 +79,9 @@ class ExchangeConnectionService:
                 cursor.execute("SELECT 1")
         except Exception as exc:  # noqa: BLE001
             cls._mark_connection_error(connection, str(exc))
-            raise ExchangeServiceError(f"Ошибка подключения к целевой БД: {exc}") from exc
+            raise ExchangeServiceError(
+                f"Ошибка подключения к целевой БД: {exc}"
+            ) from exc
 
         return alias
 
@@ -145,7 +147,9 @@ class ExchangeConnectionService:
             connections[alias].ensure_connection()
         except Exception as exc:  # noqa: BLE001
             cls._mark_connection_error(connection, str(exc))
-            raise ExchangeServiceError(f"Ошибка подключения к целевой БД: {exc}") from exc
+            raise ExchangeServiceError(
+                f"Ошибка подключения к целевой БД: {exc}"
+            ) from exc
 
         cls.validate_target_structure(
             connection=connection,
@@ -187,7 +191,7 @@ class ExchangeConnectionService:
             "ENGINE": "django.db.backends.postgresql",
             "NAME": connection.database_name,
             "USER": connection.username,
-            "PASSWORD": connection.password,
+            "PASSWORD": connection.get_decrypted_password(),
             "HOST": connection.server,
             "PORT": connection.port,
             "OPTIONS": {
@@ -348,7 +352,10 @@ class ExchangeConnectionService:
     @classmethod
     def _requires_registry_organizations(cls, models_to_copy: list) -> bool:
         return any(
-            any(field.name == "registry_organization" for field in model._meta.local_fields)
+            any(
+                field.name == "registry_organization"
+                for field in model._meta.local_fields
+            )
             for model in models_to_copy
         )
 
@@ -377,7 +384,10 @@ class ExchangeConnectionService:
         pk_name = model._meta.pk.attname
 
         for source_obj in queryset.iterator(chunk_size=chunk_size):
-            row_data = {field_name: getattr(source_obj, field_name) for field_name in field_names}
+            row_data = {
+                field_name: getattr(source_obj, field_name)
+                for field_name in field_names
+            }
             batch.append(model(**row_data))
 
             if len(batch) >= chunk_size:
@@ -441,7 +451,9 @@ class ExchangeConnectionService:
         return len(existing_after - existing_before)
 
     @classmethod
-    def _mark_connection_error(cls, connection: ExchangeConnection, error_message: str) -> None:
+    def _mark_connection_error(
+        cls, connection: ExchangeConnection, error_message: str
+    ) -> None:
         connection.last_checked_at = timezone.now()
         connection.last_error = error_message
         connection.save(update_fields=["last_checked_at", "last_error", "updated_at"])