+ def get_potential_receiver_ap_ids(%{data: %{"type" => "Flag", "actor" => actor}}) do
+ (User.all_superusers() |> Enum.map(fn user -> user.ap_id end)) -- [actor]
+ end
+
+ # Update activity: notify all who repeated this
+ def get_potential_receiver_ap_ids(%{data: %{"type" => "Update", "actor" => actor}} = activity) do
+ with %Object{data: %{"id" => object_id}} <- Object.normalize(activity, fetch: false) do
+ repeaters =
+ Activity.Queries.by_type("Announce")
+ |> Activity.Queries.by_object_id(object_id)
+ |> Activity.with_joined_user_actor()
+ |> where([a, u], u.local)
+ |> select([a, u], u.ap_id)
+ |> Repo.all()
+
+ repeaters -- [actor]
+ end
+ end
+