add function to get all subgroups of a parent group

Author: sszepe

dspace_rest_client/client.py

@@ -1646,6 +1646,26 @@ def update_group_name(self, uuid, new_name):
         response_json = parse_json(response=response)
         return Group(response_json) if response_json else None
 
+    def get_subgroups(self, parent_uuid, page=0, size=20):
+        """
+        Get all subgroups of a parent group
+        @param parent_uuid: UUID of the parent group
+        @param page: Page number for pagination
+        @param size: Number of results per page
+        @return: List of Group objects
+        """
+        url = f"{self.API_ENDPOINT}/eperson/groups/{parent_uuid}/subgroups"
+        params = parse_params(page=page, size=size)
+        response = self.api_get(url, params=params)
+        response_json = parse_json(response=response)
+        subgroups = []
+
+        if "_embedded" in response_json and "groups" in response_json["_embedded"]:
+            for group_data in response_json["_embedded"]["groups"]:
+                subgroups.append(Group(group_data))
+
+        return subgroups
+
     def start_workflow(self, workspace_item):
         url = f"{self.API_ENDPOINT}/workflow/workflowitems"
         res = parse_json(self.api_post_uri(url, params=None, uri_list=workspace_item))