Use ModerationLog instead of Logger

lib/pleroma/moderation_log.ex

@@ -651,6 +651,16 @@ defmodule Pleroma.ModerationLog do
     "@#{actor_nickname} deleted chat message ##{subject_id}"
   end
 
+  def get_log_entry_message(%ModerationLog{
+        data: %{
+          "actor" => %{"nickname" => actor_nickname},
+          "action" => "create_backup",
+          "subject" => %{"nickname" => user_nickname}
+        }
+      }) do
+    "@#{actor_nickname} requested account backup for @#{user_nickname}"
+  end
+
   defp nicknames_to_string(nicknames) do
     nicknames
     |> Enum.map(&"@#{&1}")

lib/pleroma/web/admin_api/controllers/admin_api_controller.ex

@@ -686,7 +686,8 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   def create_backup(%{assigns: %{user: admin}} = conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_by_nickname(nickname),
          {:ok, _} <- Pleroma.Backup.create(user, admin.id) do
-      Logger.info("Admin @#{admin.nickname} requested account backup for @{nickname}")
+      ModerationLog.insert_log(%{actor: admin, subject: user, action: "create_backup"})
+
       json(conn, "")
     end
   end