From f42119673f166eccb8911fcc9483ce829eb62f6f 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: Tue, 12 Sep 2017 11:41:52 -0400
Subject: [PATCH] fix string cids in post summaries

---
 src/posts/summary.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/posts/summary.js b/src/posts/summary.js
index 89223e80f9..2274035df4 100644
--- a/src/posts/summary.js
+++ b/src/posts/summary.js
@@ -4,6 +4,7 @@
 var async = require('async');
 var validator = require('validator');
 var S = require('string');
+var _ = require('lodash');
 
 var topics = require('../topics');
 var user = require('../user');
@@ -120,11 +121,11 @@ module.exports = function (Posts) {
 						topic.title = String(topic.title);
 						topic.deleted = parseInt(topic.deleted, 10) === 1;
 					}
-					return topic && topic.cid;
-				}).filter(function (topic, index, array) {
-					return topic && array.indexOf(topic) === index;
+					return topic && parseInt(topic.cid, 10);
 				});
 
+				cids = _.unique(cids);
+
 				categories.getCategoriesFields(cids, ['cid', 'name', 'icon', 'slug', 'parentCid', 'bgColor', 'color'], next);
 			},
 			function (categoriesData, next) {