приватные каналы

tg_parser/internal/adapter/telegram/pts.go

@@ -0,0 +1,33 @@
+package telegram
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
+	"github.com/gotd/td/tg"
+)
+
+func (t *Telegram) GetChannelPTS(ctx context.Context, channel domain.Channel) (int, error) {
+	req := []tg.InputDialogPeerClass{
+		&tg.InputDialogPeer{
+			Peer: &tg.InputPeerChannel{
+				ChannelID:  channel.ChannelID(),
+				AccessHash: channel.AccessHash,
+			},
+		},
+	}
+
+	dialogs, err := t.API().MessagesGetPeerDialogs(ctx, req)
+	if err != nil {
+		return 0, fmt.Errorf("peer dialogs: %w", err)
+	}
+
+	if len(dialogs.Dialogs) > 0 {
+		if d, ok := dialogs.Dialogs[0].(*tg.Dialog); ok {
+			return d.Pts, nil
+		}
+	}
+
+	return 0, nil
+}