From 97a9ca24f3981494b7f37b199f655fa314c48787 Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@nym.se>
Date: Tue, 9 Dec 2014 16:52:02 +0100
Subject: [PATCH] Truncate list of versions

---
 analytics.go | 11 ++++++++++-
 main.go      |  6 +++---
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/analytics.go b/analytics.go
index 3cabb6c8e..99d2ac762 100644
--- a/analytics.go
+++ b/analytics.go
@@ -23,7 +23,7 @@ func (l analyticList) Len() int {
 }
 
 // Returns a list of frequency analytics for a given list of strings.
-func analyticsFor(ss []string) []analytic {
+func analyticsFor(ss []string, cutoff int) []analytic {
 	m := make(map[string]int)
 	t := 0
 	for _, s := range ss {
@@ -37,6 +37,15 @@ func analyticsFor(ss []string) []analytic {
 	}
 
 	sort.Sort(analyticList(l))
+
+	if cutoff > 0 && len(l) > cutoff {
+		c := 0
+		for _, i := range l[cutoff:] {
+			c += i.Count
+		}
+		l = append(l[:cutoff], analytic{"Others", c, 100 * float64(c) / float64(t)})
+	}
+
 	return l
 }
 
diff --git a/main.go b/main.go
index d40bd06b5..07f9dfd2a 100644
--- a/main.go
+++ b/main.go
@@ -363,9 +363,9 @@ func getReport(key string) map[string]interface{} {
 	r["key"] = key
 	r["nodes"] = nodes
 	r["categories"] = categories
-	r["versions"] = analyticsFor(versions)
-	r["platforms"] = analyticsFor(platforms)
-	r["os"] = analyticsFor(oses)
+	r["versions"] = analyticsFor(versions, 10)
+	r["platforms"] = analyticsFor(platforms, 0)
+	r["os"] = analyticsFor(oses, 0)
 
 	reportCache = r