copyright and cleanup

pkg/server/helper.go

@@ -1,45 +0,0 @@
-// Copyright (C) 2019 Marius Schellenberger
-
-package server
-
-import (
-	"errors"
-	"strconv"
-	"time"
-)
-
-const (
-	day = time.Hour * 24
-	min = time.Second * 30
-	max = day * 90
-)
-
-func duration(duration, mode string) (d time.Duration, err error) {
-	switch mode {
-	case "1":
-		d, err = time.ParseDuration(duration)
-		if err != nil {
-			err = errors.New("could not parse duration")
-			return
-		}
-	case "2":
-		var t int
-		t, err = strconv.Atoi(duration)
-		if err != nil {
-			err = errors.New("could not parse duration")
-			return
-		}
-		d = time.Duration(int(day) * t)
-	default:
-		err = errors.New("invalid mode")
-		return
-	}
-
-	if d < min {
-		err = errors.New("minimum duration is 30 seconds")
-	}
-	if d > max {
-		err = errors.New("maximum duration is 90 days")
-	}
-	return
-}