diff --git a/synapse/groups/groups_server.py b/synapse/groups/groups_server.py
index 1dd20ee4e1..3fd7bedf99 100644
--- a/synapse/groups/groups_server.py
+++ b/synapse/groups/groups_server.py
@@ -719,6 +719,27 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
raise NotImplementedError()
+ async def change_user_admin_in_group(
+ self, group_id, user_id, want_admin, requester_user_id, content
+ ):
+ """Promotes or demotes a user in a group.
+ """
+
+ await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+
+ if requester_user_id == user_id:
+ raise SynapseError(400, "User cannot target themselves")
+
+ is_admin = await self.store.is_user_admin_in_group(
+ group_id, requester_user_id
+ )
+ if not is_admin:
+ raise SynapseError(403, "User is not admin in group")
+
+ await self.store.change_user_admin_in_group(group_id, user_id, want_admin)
+
+ return {}
+
async def remove_user_from_group(
self, group_id, user_id, requester_user_id, content
):
|
