From f2d17cd3d131f5723b07bb38e7e69a36a828cda1 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Tue, 9 Oct 2012 13:35:16 +0200
Subject: [PATCH] Added a function to recompute news score/rank after changes
 in algorithm.

---
 app.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/app.rb b/app.rb
index 69b2876..076dc6b 100644
--- a/app.rb
+++ b/app.rb
@@ -480,6 +480,25 @@ def render_comment_subthread(comment,sep="")
     }
 end
 
+get '/recompute' do
+    if $user and user_is_admin?($user)
+        $r.zrange("news.cron",0,-1).each{|news_id|
+            news = get_news_by_id(news_id)
+            score = compute_news_score(news)
+            rank = compute_news_rank(news)
+            $r.hmset("news:#{news_id}",
+                "score",score,
+                "rank",rank)
+            $r.zadd("news.top",rank,news_id)
+        }
+        H.page {
+            H.p {"Done."}
+        }
+    else
+        redirect "/"
+    end
+end
+
 ###############################################################################
 # API implementation
 ###############################################################################