feat: updated node monitoring tab

core/utils/time.go

@@ -1,6 +1,11 @@
 package utils
 
 import (
+	"errors"
+	"github.com/apex/log"
+	"github.com/crawlab-team/crawlab/trace"
+	"regexp"
+	"strconv"
 	"time"
 )
 
@@ -16,3 +21,53 @@ func GetLocalTimeString(t time.Time) string {
 	t = GetLocalTime(t)
 	return GetTimeString(t)
 }
+
+func GetTimeUnitParts(timeUnit string) (num int, unit string, err error) {
+	re := regexp.MustCompile(`^(\d+)([a-zA-Z])$`)
+	groups := re.FindStringSubmatch(timeUnit)
+	if len(groups) < 3 {
+		err = errors.New("failed to parse duration text")
+		log.Errorf("failed to parse duration text: %v", err)
+		trace.PrintError(err)
+		return 0, "", err
+	}
+	num, err = strconv.Atoi(groups[1])
+	if err != nil {
+		log.Errorf("failed to convert string to int: %v", err)
+		trace.PrintError(err)
+		return 0, "", err
+	}
+	unit = groups[2]
+	return num, unit, nil
+}
+
+func GetTimeDuration(num string, unit string) (d time.Duration, err error) {
+	numInt, err := strconv.Atoi(num)
+	if err != nil {
+		log.Errorf("failed to convert string to int: %v", err)
+		trace.PrintError(err)
+		return d, err
+	}
+	switch unit {
+	case "s":
+		d = time.Duration(numInt) * time.Second
+	case "m":
+		d = time.Duration(numInt) * time.Minute
+	case "h":
+		d = time.Duration(numInt) * time.Hour
+	case "d":
+		d = time.Duration(numInt) * 24 * time.Hour
+	case "w":
+		d = time.Duration(numInt) * 7 * 24 * time.Hour
+	case "M":
+		d = time.Duration(numInt) * 30 * 24 * time.Hour
+	case "y":
+		d = time.Duration(numInt) * 365 * 24 * time.Hour
+	default:
+		err = errors.New("invalid time unit")
+		log.Errorf("invalid time unit: %v", unit)
+		trace.PrintError(err)
+		return d, err
+	}
+	return d, nil
+}