add stats command for getting site-wide stats via cli.

cmd/fathom/main.go

@@ -39,6 +39,7 @@ func main() {
 	app.Commands = []cli.Command{
 		serverCmd,
 		registerCmd,
+		statsCmd,
 	}
 
 	if len(os.Args) < 2 || os.Args[1] != "--version" {
@@ -50,6 +51,8 @@ func main() {
 		log.Fatal(err)
 		os.Exit(1)
 	}
+
+	os.Exit(0)
 }
 
 func before(c *cli.Context) error {

cmd/fathom/stats.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"github.com/urfave/cli"
+	"time"
+)
+
+var statsCmd = cli.Command{
+	Name:   "stats",
+	Usage:  "view stats",
+	Action: stats,
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "start-date",
+			Usage: "start date, expects a date in format 2006-01-02",
+		},
+		cli.StringFlag{
+			Name:  "end-date",
+			Usage: "end date, expects a date in format 2006-01-02",
+		},
+	},
+}
+
+func stats(c *cli.Context) error {
+	start, _ := time.Parse("2006-01-02", c.String("start-date"))
+	if start.IsZero() {
+		return errors.New("Invalid argument: supply a valid --start-date")
+	}
+
+	end, _ := time.Parse("2006-01-02", c.String("end-date"))
+	if end.IsZero() {
+		return errors.New("Invalid argument: supply a valid --end-date")
+	}
+
+	result, err := app.database.GetAggregatedSiteStats(start, end)
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("%s - %s\n", start.Format("Jan 01, 2006"), end.Format("Jan 01, 2006"))
+	fmt.Printf("===========================\n")
+	fmt.Printf("Visitors: \t%d\n", result.Visitors)
+	fmt.Printf("Pageviews: \t%d\n", result.Pageviews)
+	fmt.Printf("Sessions: \t%d\n", result.Sessions)
+	fmt.Printf("Avg duration: \t%s\n", result.FormattedDuration())
+	fmt.Printf("Bounce rate: \t%.0f%%\n", result.BounceRate*100.00)
+	return nil
+}

pkg/models/site_stats.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"fmt"
 	"time"
 )
 
@@ -13,3 +14,7 @@ type SiteStats struct {
 	KnownDurations int64     `db:"known_durations" json:",omitempty"`
 	Date           time.Time `db:"date" json:",omitempty"`
 }
+
+func (s *SiteStats) FormattedDuration() string {
+	return fmt.Sprintf("%d:%d", int(s.AvgDuration/60.00), (int(s.AvgDuration) % 60))
+}

pkg/models/site_stats_test.go

@@ -0,0 +1,21 @@
+package models
+
+import (
+	"testing"
+)
+
+func TestSiteStatsFormattedDuration(t *testing.T) {
+	s := SiteStats{
+		AvgDuration: 100.00,
+	}
+	e := "1:40"
+	if v := s.FormattedDuration(); v != e {
+		t.Errorf("FormattedDuration: expected %s, got %s", e, v)
+	}
+
+	s.AvgDuration = 1040.22
+	e = "17:20"
+	if v := s.FormattedDuration(); v != e {
+		t.Errorf("FormattedDuration: expected %s, got %s", e, v)
+	}
+}