feat: support push notification clients

pkg/notifier/doc.go

@@ -0,0 +1,36 @@
+package notifier
+
+import (
+	"context"
+	"polaris/pkg/utils"
+
+	"github.com/nikoksr/notify"
+)
+
+type HandlerFunc func(string) (NotificationClient, error)
+
+type NotificationClient interface {
+	SendMsg(msg string) error
+}
+
+type Notifier struct {
+	service notify.Notifier
+}
+
+func (s *Notifier) SendMsg(msg string) error {
+	notifier := notify.New()
+	notifier.UseServices(s.service)
+	return notifier.Send(context.TODO(), "polaris", msg)
+}
+
+var handler = utils.Map[string, HandlerFunc]{}
+
+func init() {
+	handler.Store("pushover", NewPushoverClient)
+	handler.Store("dingtalk", NewDingTalkClient)
+	handler.Store("telegram", NewTelegramClient)
+}
+
+func Gethandler(name string) (HandlerFunc, bool) {
+	return handler.Load(name)
+}