From 9c61f605582520368d61a31e562710f383fab9c1 Mon Sep 17 00:00:00 2001
From: Hakaba Hitoyo <example@example.com>
Date: Fri, 9 Feb 2018 21:41:30 +0900
Subject: [PATCH] introduce max_id parameter in feed.atom

---
 lib/pleroma/web/ostatus/ostatus_controller.ex | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
index d442d16fd..203b6e985 100644
--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -25,6 +25,7 @@ defmodule Pleroma.Web.OStatus.OStatusController do
       order_by: [desc: :id]
 
     activities = query
+    |> restrict_max(opts)    
     |> Repo.all
 
     response = user
@@ -54,6 +55,11 @@ defmodule Pleroma.Web.OStatus.OStatusController do
     end
   end
 
+  defp restrict_max(query, %{"max_id" => max_id}) do
+    from activity in query, where: activity.id < ^max_id
+  end
+  defp restrict_max(query, _), do: query
+
   def salmon_incoming(conn, _) do
     {:ok, body, _conn} = read_body(conn)
     {:ok, doc} = decode_or_retry(body)
-- 
2.45.2