Added language statistics to tracking page.

dev.sh

@@ -10,10 +10,12 @@ export MB_HOT_RELOAD=true
 export MB_EMVI_CLIENT_ID=3fBBn144yvSF9R3dPC8l
 export MB_EMVI_CLIENT_SECRET=dw3FeshelTgdf1Gj13J7uF5FfdPDi40sQvvwqeFVKTTyIDuCdlAHhRY72csFL6yg
 export MB_EMVI_ORGA=marvin
-export MB_DB_HOST=localhost
+#export MB_DB_HOST=localhost
+export MB_DB_HOST=78.46.206.21
 export MB_DB_PORT=5432
 export MB_DB_USER=postgres
-export MB_DB_PASSWORD=postgres
+#export MB_DB_PASSWORD=postgres
+export MB_DB_PASSWORD=D8XEi4BCRoCjFL
 export MB_DB_SCHEMA=marvinblum
 export MB_DB_SSLMODE=disable
 export MB_DB_SSLCERT=

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/cenkalti/backoff/v4 v4.0.2 // indirect
 	github.com/emvi/api-go v0.0.0-20191210194347-0a945446f6a8
 	github.com/emvi/logbuch v1.1.1
-	github.com/emvi/pirsch v0.0.0-20200625132706-9e7bfe9bb4f4
+	github.com/emvi/pirsch v0.0.0-20200625182355-75f0aba03718
 	github.com/gorilla/mux v1.7.4
 	github.com/gosimple/slug v1.9.0
 	github.com/jmoiron/sqlx v1.2.0

go.sum

@@ -91,6 +91,12 @@ github.com/emvi/pirsch v0.0.0-20200624123353-86381b017755 h1:TdiDC7+IfV6giMtFNvb
 github.com/emvi/pirsch v0.0.0-20200624123353-86381b017755/go.mod h1:+YmBbltJ3feZz9L/QQyqwywltYvQKBfzrGD51TPKl5g=
 github.com/emvi/pirsch v0.0.0-20200625132706-9e7bfe9bb4f4 h1:6C28hkiULQkBHhDqxRHt6PxY16/i8iTVGq5PENd8U3A=
 github.com/emvi/pirsch v0.0.0-20200625132706-9e7bfe9bb4f4/go.mod h1:+YmBbltJ3feZz9L/QQyqwywltYvQKBfzrGD51TPKl5g=
+github.com/emvi/pirsch v0.0.0-20200625133201-5f03f30da183 h1:61I7Y4aNVZNPbCvzCwdI/vC28jpDlVpV59gwgypXXrg=
+github.com/emvi/pirsch v0.0.0-20200625133201-5f03f30da183/go.mod h1:+YmBbltJ3feZz9L/QQyqwywltYvQKBfzrGD51TPKl5g=
+github.com/emvi/pirsch v0.0.0-20200625145826-bf2196e7b9f8 h1:m/3rKmlG0s6nlW+yvND4TRYir7N+6XHWDm0/L4FQyfs=
+github.com/emvi/pirsch v0.0.0-20200625145826-bf2196e7b9f8/go.mod h1:+YmBbltJ3feZz9L/QQyqwywltYvQKBfzrGD51TPKl5g=
+github.com/emvi/pirsch v0.0.0-20200625182355-75f0aba03718 h1:FOaeJg2A9rGb5WMZsnW/2SorGesIoVn9doW1Okgt1BU=
+github.com/emvi/pirsch v0.0.0-20200625182355-75f0aba03718/go.mod h1:+YmBbltJ3feZz9L/QQyqwywltYvQKBfzrGD51TPKl5g=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/exoscale/egoscale v0.18.1/go.mod h1:Z7OOdzzTOz1Q1PjQXumlz9Wn/CddH0zSYdCF3rnBKXE=

main.go

@@ -133,11 +133,13 @@ func serveTracking() http.HandlerFunc {
 			TotalVisitorsLabels template.JS
 			TotalVisitorsDps    template.JS
 			PageVisits          []tracking.PageVisits
+			Languages           []pirsch.VisitorLanguage
 		}{
 			start,
 			totalVisitorsLabels,
 			totalVisitorsDps,
 			tracking.GetPageVisits(start),
+			tracking.GetLanguages(start),
 		})
 	}
 }

template/tracking.html

@@ -32,11 +32,33 @@
     </section>
 {{end}}
 
+<section>
+    <h2>Languages</h2>
+    <p>
+        Here are the top 10 languages used by my visitors.
+    </p>
+    <table>
+        <thead>
+            <tr>
+                <th>Language</th>
+                <th>Absolute</th>
+                <th>Relative</th>
+            </tr>
+        </thead>
+        <tbody>
+            {{range $data := .Languages}}
+                <tr>
+                    <td>{{if $data.Language}}{{$data.Language}}{{else}}(not set){{end}}</td>
+                    <td>{{$data.Visitors}}</td>
+                    <td>{{round (multiply $data.RelativeVisitors 100)}} %</td>
+                </tr>
+            {{end}}
+        </tbody>
+    </table>
+</section>
+
 <!-- TODO -->
 <!--<section>
-    <h2>Languages</h2>
-</section>
-<section>
     <h2>Visitors Per Hour</h2>
 </section>-->
 

tpl/template.go

@@ -2,6 +2,7 @@ package tpl
 
 import (
 	"bytes"
+	"fmt"
 	"github.com/emvi/logbuch"
 	"github.com/gosimple/slug"
 	"html/template"
@@ -36,9 +37,9 @@ func (cache *Cache) load() {
 	logbuch.Debug("Loading templates")
 	funcMap := template.FuncMap{
 		"slug":     slug.Make,
-		"format": func(t time.Time, layout string) string {
+		"format":   func(t time.Time, layout string) string { return t.Format(layout) },
-			return t.Format(layout)
+		"multiply": func(f, x float64) float64 { return f * x },
-		},
+		"round":    func(f float64) string { return fmt.Sprintf("%.2f", f) },
 	}
 	var err error
 	cache.tpl, err = template.New("").Funcs(funcMap).ParseGlob(templateDir)

tracking/statistics.go

@@ -2,6 +2,7 @@ package tracking
 
 import (
 	"fmt"
+	"github.com/emvi/logbuch"
 	"github.com/emvi/pirsch"
 	"html/template"
 	"strings"
@@ -19,12 +20,10 @@ type PageVisits struct {
 }
 
 func GetTotalVisitors(start int) (template.JS, template.JS) {
-	startTime := today()
+	visitors, err := analyzer.Visitors(&pirsch.Filter{From: getStartTime(start), To: today()})
-	startTime = startTime.Add(-time.Hour * 24 * time.Duration(start-1))
-	analyzer := pirsch.NewAnalyzer(store)
-	visitors, err := analyzer.Visitors(&pirsch.Filter{From: startTime, To: today()})
 
 	if err != nil {
+		logbuch.Error("Error reading visitor statistics", logbuch.Fields{"err": err})
 		return "", ""
 	}
 
@@ -32,12 +31,10 @@ func GetTotalVisitors(start int) (template.JS, template.JS) {
 }
 
 func GetPageVisits(start int) []PageVisits {
-	startTime := today()
+	visits, err := analyzer.PageVisits(&pirsch.Filter{From: getStartTime(start), To: today()})
-	startTime = startTime.Add(-time.Hour * 24 * time.Duration(start-1))
-	analyzer := pirsch.NewAnalyzer(store)
-	visits, err := analyzer.PageVisits(&pirsch.Filter{From: startTime, To: today()})
 
 	if err != nil {
+		logbuch.Error("Error reading page statistics", logbuch.Fields{"err": err})
 		return nil
 	}
 
@@ -51,6 +48,26 @@ func GetPageVisits(start int) []PageVisits {
 	return pageVisits
 }
 
+func GetLanguages(start int) []pirsch.VisitorLanguage {
+	languages, _, err := analyzer.Languages(&pirsch.Filter{From: getStartTime(start), To: today()})
+
+	if err != nil {
+		logbuch.Error("Error reading language statistics", logbuch.Fields{"err": err})
+		return nil
+	}
+
+	if len(languages) > 10 {
+		return languages[:10]
+	}
+
+	return languages
+}
+
+func getStartTime(start int) time.Time {
+	startTime := today()
+	return startTime.Add(-time.Hour * 24 * time.Duration(start-1))
+}
+
 func getLabelsAndData(visitors []pirsch.VisitorsPerDay) (template.JS, template.JS) {
 	var labels strings.Builder
 	var dp strings.Builder

tracking/tracking.go

@@ -15,8 +15,11 @@ const (
 	connectionString = `host=%s port=%s user=%s password=%s dbname=%s sslmode=%s sslcert=%s sslkey=%s sslrootcert=%s connectTimeout=%s timezone=%s`
 )
 
-var db *sqlx.DB
+var (
-var store pirsch.Store
+	db       *sqlx.DB
+	store    pirsch.Store
+	analyzer *pirsch.Analyzer
+)
 
 func NewTracker() *pirsch.Tracker {
 	logbuch.Info("Connecting to database...")
@@ -48,6 +51,7 @@ func NewTracker() *pirsch.Tracker {
 	db = sqlx.NewDb(conn, "postgres")
 	store = pirsch.NewPostgresStore(conn)
 	tracker := pirsch.NewTracker(store, nil)
+	analyzer = pirsch.NewAnalyzer(store)
 	processor := pirsch.NewProcessor(store)
 	processTrackingData(processor)
 	pirsch.RunAtMidnight(func() {