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util/util.go

@@ -1,6 +1,7 @@
 package util
 
 import (
+	"fmt"
 	"math/rand"
 	"os"
 	"time"
@@ -27,3 +28,35 @@ func RandomString(length int) string {
 	}
 	return string(b)
 }
+
+// DurationToHuman converts a duration to a human readable format
+func DurationToHuman(d time.Duration) (str string) {
+	if d == 0 {
+		return "0"
+	}
+
+	d = d.Round(time.Second)
+	days := d / time.Hour / 24
+	if days > 0 {
+		str += fmt.Sprintf("%dd", days)
+	}
+	d -= days * time.Hour * 24
+
+	hours := d / time.Hour
+	if hours > 0 {
+		str += fmt.Sprintf("%dh", hours)
+	}
+	d -= hours * time.Hour
+
+	minutes := d / time.Minute
+	if minutes > 0 {
+		str += fmt.Sprintf("%dm", minutes)
+	}
+	d -= minutes * time.Minute
+
+	seconds := d / time.Second
+	if seconds > 0 {
+		str += fmt.Sprintf("%ds", seconds)
+	}
+	return
+}