feat: notifier

internal/pkg/core/notifier/providers/telegram/telegram.go

@@ -0,0 +1,47 @@
+package email
+
+import (
+	"context"
+	"errors"
+
+	"github.com/nikoksr/notify/service/telegram"
+
+	"github.com/usual2970/certimate/internal/pkg/core/notifier"
+)
+
+type TelegramNotifierConfig struct {
+	ApiToken string `json:"apiToken"`
+	ChatId   int64  `json:"chatId"`
+}
+
+type TelegramNotifier struct {
+	config *TelegramNotifierConfig
+}
+
+var _ notifier.Notifier = (*TelegramNotifier)(nil)
+
+func New(config *TelegramNotifierConfig) (*TelegramNotifier, error) {
+	if config == nil {
+		return nil, errors.New("config is nil")
+	}
+
+	return &TelegramNotifier{
+		config: config,
+	}, nil
+}
+
+func (n *TelegramNotifier) Notify(ctx context.Context, subject string, message string) (res *notifier.NotifyResult, err error) {
+	srv, err := telegram.New(n.config.ApiToken)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.AddReceivers(n.config.ChatId)
+
+	err = srv.Send(ctx, subject, message)
+	if err != nil {
+		return nil, err
+	}
+
+	return &notifier.NotifyResult{}, nil
+}