From dd8ce13eaf39117da370a5a18eacbd528b864d0c Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Sun, 8 Feb 2015 09:16:32 +0100
Subject: [PATCH] Do not show expired metrics

---
 main.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/main.go b/main.go
index 965bfdc..e5a600f 100644
--- a/main.go
+++ b/main.go
@@ -60,10 +60,19 @@ func main() {
 		if err != nil {
 			dash = &Dashboard{APIKey: generateAPIKey(), Metrics: DashboardMetrics{}}
 		}
-		sort.Sort(sort.Reverse(DashboardMetrics(dash.Metrics)))
+
+		// Filter out expired metrics
+		metrics := DashboardMetrics{}
+		for _, m := range dash.Metrics {
+			if m.Meta.LastUpdate.After(time.Now().Add(time.Duration(m.Expires*-1) * time.Second)) {
+				metrics = append(metrics, m)
+			}
+		}
+
+		sort.Sort(sort.Reverse(DashboardMetrics(metrics)))
 		renderTemplate("dashboard.html", pongo2.Context{
 			"dashid":  params["dashid"],
-			"metrics": dash.Metrics,
+			"metrics": metrics,
 			"apikey":  dash.APIKey,
 			"baseurl": os.Getenv("BASE_URL"),
 		}, res)