smon/notification/factory.go

package notification

import (
	// External
	werr "git.gibonuddevalla.se/go/wrappederror"

	// Standard
	"log/slog"
	"slices"
	"strings"
)

var (
	allServices []Service
)

func ServiceFactory(t string, config []byte, prio int, ackURL string, logger *slog.Logger) (Service, error) {
	switch t {
	case "NTFY":
		ntfy, err := NewNTFY(config, prio, ackURL)
		if err != nil {
			err = werr.Wrap(err).WithData(config)
			return nil, err
		}
		ntfy.SetLogger(logger)
		return ntfy, nil
	case "SCRIPT":
		script, err := NewScript(config, prio, ackURL)
		if err != nil {
			err = werr.Wrap(err).WithData(config)
			return nil, err
		}
		script.SetLogger(logger)
		return script, nil
	}

	return nil, werr.New("Unknown notification service, '%s'", t).WithCode("002-0000")
}

func NewInstance(typ string) Service {
	switch typ {
	case "NTFY":
		return new(NTFY)
	case "SCRIPT":
		return new(Script)
	}
	return nil
}

func GetInstance(typ string) Service {
	for _, svc := range allServices {
		if strings.ToLower(svc.GetType()) == strings.ToLower(typ) {
			return svc
		}
	}
	return nil
}

func AvailableServices() []Service {
	slices.SortFunc(allServices, func(a, b Service) int {
		if a.GetType() < b.GetType() {
			return -1
		}
		if a.GetType() > b.GetType() {
			return 1
		}
		return 0
	})
	return allServices
}