feat: migrated the operator code to v4

k8-operator/internal/util/helpers.go

@@ -0,0 +1,56 @@
+package util
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func ConvertIntervalToDuration(resyncInterval *string) (time.Duration, error) {
+
+	if resyncInterval == nil || *resyncInterval == "" {
+		return 0, nil
+	}
+
+	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")
+	}
+}
+
+func AppendAPIEndpoint(address string) string {
+	if strings.HasSuffix(address, "/api") {
+		return address
+	}
+	if address[len(address)-1] == '/' {
+		return address + "api"
+	}
+	return address + "/api"
+}