From fb51acd8426dfa359c0ea512c7470d6332ade9d1 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Tue, 7 Nov 2017 00:40:52 +0100
Subject: util.pubsub: Add method for retreiving the last item (useful for
 sending on subscribe)

---
 util/pubsub.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/util/pubsub.lua b/util/pubsub.lua
index 575153b8..2f42809e 100644
--- a/util/pubsub.lua
+++ b/util/pubsub.lua
@@ -351,6 +351,15 @@ function service:get_items(node, actor, id)
 	end
 end
 
+function service:get_last_item(node, actor)
+	-- Access checking
+	if not self:may(node, actor, "get_items") then
+		return false, "forbidden";
+	end
+	--
+	return true, self.data[node]:tail();
+end
+
 function service:get_nodes(actor)
 	-- Access checking
 	if not self:may(nil, actor, "get_nodes") then
-- 
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