From d811aa0b8a69183ffe6d506fb256c705c8047302 Mon Sep 17 00:00:00 2001
From: Toks <tttoksss@gmail.com>
Date: Mon, 29 Jun 2015 15:15:17 -0400
Subject: [PATCH] Fix error when favgroup doesn't exist

---
 app/logical/post_query_builder.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/logical/post_query_builder.rb b/app/logical/post_query_builder.rb
index 32d4bf962..e15402dde 100644
--- a/app/logical/post_query_builder.rb
+++ b/app/logical/post_query_builder.rb
@@ -314,8 +314,10 @@ class PostQueryBuilder
 
     if q[:favgroup].present?
       favgroup_id = q[:favgroup].to_i
-      post_ids = FavoriteGroup.find(favgroup_id).post_id_array
-      relation = relation.where("posts.id in (?)", post_ids)
+      favgroup = FavoriteGroup.where("favorite_groups.id = ?", favgroup_id).first
+      if favgroup
+        relation = relation.where("posts.id in (?)", favgroup.post_id_array)
+      end
     end
 
     if q[:ordfav].present?