ddns-updater/internal/dns_providers/base_provider.go

package dns_providers

import (
	"strings"
)

type DNSProvider interface {
	UpdateRecord(hostname string, ip string) error
	FetchRecord(hostname string) (string, error)
}

type DomainParts struct {
	Name   string
	Domain string
}

func GetDomainParts(hostname string) *DomainParts {
	data := arrayToSlice(strings.Split(hostname, "."))

	if len(data) <= 2 {
		// This might be the actual root domain
		out := DomainParts{Name: strings.Join(data[0:], "."), Domain: strings.Join(data[0:], ".")}
		return &out
	} else {
		// This is a subdomain
		out := DomainParts{Name: data[0], Domain: strings.Join(data[1:], ".")}
		return &out
	}
}

func arrayToSlice(array []string) []string {
	return array[:]
}