From 17ca1d33fbea6cf21ec1e8a0b5253a760e3ce4a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <baris@nodebb.org>
Date: Fri, 5 May 2017 15:33:00 -0400
Subject: [PATCH] faster sitemap

---
 src/sitemap.js | 28 +++++++++++-----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/src/sitemap.js b/src/sitemap.js
index 8cd91fec6b..8ed9971e7b 100644
--- a/src/sitemap.js
+++ b/src/sitemap.js
@@ -19,31 +19,25 @@ var sitemap = {
 };
 
 sitemap.render = function (callback) {
-	var numTopics = parseInt(meta.config.sitemapTopics, 10) || 500;
+	var topicsPerPage = parseInt(meta.config.sitemapTopics, 10) || 500;
 	var returnData = {
 		url: nconf.get('url'),
 		topics: [],
 	};
-	var numPages;
 
 	async.waterfall([
-		async.apply(db.getSortedSetRange, 'topics:recent', 0, 1000),
-		function (tids, next) {
-			privileges.topics.filterTids('read', tids, 0, next);
+		function (next) {
+			db.getObjectField('global', 'topicCount', next);
 		},
-	], function (err, tids) {
-		if (err) {
-			numPages = 1;
-		} else {
-			numPages = Math.ceil(tids.length / numTopics);
-		}
+		function (topicCount, next) {
+			var numPages = Math.max(0, topicCount / topicsPerPage);
+			for (var x = 1; x <= numPages; x += 1) {
+				returnData.topics.push(x);
+			}
 
-		for (var x = 1; x <= numPages; x += 1) {
-			returnData.topics.push(x);
-		}
-
-		callback(null, returnData);
-	});
+			next(null, returnData);
+		},
+	], callback);
 };
 
 sitemap.getPages = function (callback) {