Allow group updates

packages/sshecret-admin/src/sshecret_admin/services/admin_backend.py

@@ -359,16 +359,26 @@ class AdminBackend:
         self,
         group_filter: str | None = None,
         regex: bool = True,
+        flat: bool = False,
     ) -> ClientSecretGroupList:
         """Get secret groups.
 
         The starting group can be filtered with the group_name argument, which
         may be a regular expression.
+
+        Groups are returned in a tree, unless flat is True.
         """
         all_secrets = await self.backend.get_detailed_secrets()
         secrets_mapping = {secret.name: secret for secret in all_secrets}
         with self.password_manager() as password_manager:
-            all_groups = password_manager.get_secret_groups(group_filter, regex=regex)
+            if flat:
+                all_groups = password_manager.get_secret_group_list(
+                    group_filter, regex=regex
+                )
+            else:
+                all_groups = password_manager.get_secret_groups(
+                    group_filter, regex=regex
+                )
             ungrouped = password_manager.get_ungrouped_secrets()
 
         group_result: list[ClientSecretGroup] = []