Update documentation

[akkoma] / lib / pleroma / web / activity_pub / utils.ex

diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 4bcacc6d15c984d2aa9eedb9d07b72501d5964bf..10ce5eee8f0755d4bccc5891cd113b9cbbfddec1 100644 (file)
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -490,6 +490,15 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     |> Repo.one()
   end
 
+  def fetch_latest_undo(%User{ap_id: ap_id}) do
+    "Undo"
+    |> Activity.Queries.by_type()
+    |> where(actor: ^ap_id)
+    |> order_by([activity], fragment("? desc nulls last", activity.id))
+    |> limit(1)
+    |> Repo.one()
+  end
+
   def get_latest_reaction(internal_activity_id, %{ap_id: ap_id}, emoji) do
     %{data: %{"object" => object_ap_id}} = Activity.get_by_id(internal_activity_id)