feat: migrated the operator code to v4

k8-operator/internal/util/time.go

@@ -0,0 +1,40 @@
+package util
+
+import (
+	"fmt"
+	"strconv"
+	"time"
+)
+
+func ConvertResyncIntervalToDuration(resyncInterval string) (time.Duration, error) {
+	length := len(resyncInterval)
+	if length < 2 {
+		return 0, fmt.Errorf("invalid format")
+	}
+
+	unit := resyncInterval[length-1:]
+	numberPart := resyncInterval[:length-1]
+
+	number, err := strconv.Atoi(numberPart)
+	if err != nil {
+		return 0, err
+	}
+
+	switch unit {
+	case "s":
+		if number < 5 {
+			return 0, fmt.Errorf("resync interval must be at least 5 seconds")
+		}
+		return time.Duration(number) * time.Second, nil
+	case "m":
+		return time.Duration(number) * time.Minute, nil
+	case "h":
+		return time.Duration(number) * time.Hour, nil
+	case "d":
+		return time.Duration(number) * 24 * time.Hour, nil
+	case "w":
+		return time.Duration(number) * 7 * 24 * time.Hour, nil
+	default:
+		return 0, fmt.Errorf("invalid time unit")
+	}
+}