From 9c4a92c215153f7bca370396c9135eaebf0ab173 Mon Sep 17 00:00:00 2001
From: Steve Manuel <nilslice@gmail.com>
Date: Fri, 4 Nov 2016 15:40:26 -0700
Subject: keeping 2 weeks of data to show, pruning after 1 week, and testing
 date range UI on dahsboard

---
 system/admin/admin.go        |  3 ++-
 system/api/analytics/init.go | 20 +++++++++++++++++---
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/system/admin/admin.go b/system/admin/admin.go
index 27d8112..8c13582 100644
--- a/system/admin/admin.go
+++ b/system/admin/admin.go
@@ -373,6 +373,7 @@ var analyticsHTML = `
 <div class="analytics">
 <div class="card">
 <div class="card-content">
+    <p class="right">Data range: {{ .from }} - {{ .to }}</p>
     <div class="card-title">API Requests</div>
     <canvas id="analytics-chart"></canvas>
     <script>
@@ -421,7 +422,7 @@ var analyticsHTML = `
 func Dashboard() ([]byte, error) {
 	buf := &bytes.Buffer{}
 
-	data, err := analytics.Week()
+	data, err := analytics.ChartData()
 	if err != nil {
 		return nil, err
 	}
diff --git a/system/api/analytics/init.go b/system/api/analytics/init.go
index 14eff7f..41c24c7 100644
--- a/system/api/analytics/init.go
+++ b/system/api/analytics/init.go
@@ -56,7 +56,7 @@ func Close() {
 	}
 }
 
-// Init creates a db connection, should run an initial prune of old data, and
+// Init creates a db connection, initializes the db with schema and data and
 // sets up the queue/batching channel
 func Init() {
 	var err error
@@ -65,6 +65,18 @@ func Init() {
 		log.Fatalln(err)
 	}
 
+	err = store.Update(func(tx *bolt.Tx) error {
+		_, err := tx.CreateBucketIfNotExists([]byte("requests"))
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+	if err != nil {
+		log.Fatalln("Error idempotently creating requests bucket in analytics.db:", err)
+	}
+
 	requestChan = make(chan apiRequest, 1024*64*runtime.NumCPU())
 
 	go serve()
@@ -105,8 +117,8 @@ func serve() {
 	}
 }
 
-// Week returns the map containing decoded javascript needed to chart a week of data by day
-func Week() (map[string]interface{}, error) {
+// ChartData returns the map containing decoded javascript needed to chart 2 weeks of data by day
+func ChartData() (map[string]interface{}, error) {
 	// set thresholds for today and the 6 days preceeding
 	times := [14]time.Time{}
 	dates := [14]string{}
@@ -224,5 +236,7 @@ CHECK_REQUEST:
 		"dates":  dates,
 		"unique": string(jsUnique),
 		"total":  string(jsTotal),
+		"from":   dates[0],
+		"to":     dates[len(dates)-1],
 	}, nil
 }
-- 
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