60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package telegram
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import (
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"context"
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"fmt"
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"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
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"github.com/google/uuid"
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"github.com/gotd/td/tg"
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)
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func (t *Telegram) ParseChannelMeta(ctx context.Context, username string) (domain.Channel, error) {
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resolved, err := t.API().ContactsResolveUsername(ctx, &tg.ContactsResolveUsernameRequest{
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Username: username,
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})
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if err != nil {
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return domain.Channel{}, fmt.Errorf("resolve username: %w", err)
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}
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if len(resolved.Chats) == 0 {
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return domain.Channel{}, fmt.Errorf("no chats in resolve result")
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}
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ch, ok := resolved.Chats[0].(*tg.Channel)
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if !ok {
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return domain.Channel{}, fmt.Errorf("not a channel")
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}
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req := []tg.InputDialogPeerClass{
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&tg.InputDialogPeer{
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Peer: &tg.InputPeerChannel{
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ChannelID: ch.ID,
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AccessHash: ch.AccessHash,
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},
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},
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}
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dialogs, err := t.API().MessagesGetPeerDialogs(ctx, req)
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if err != nil {
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return domain.Channel{}, fmt.Errorf("peer dialogs: %w", err)
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}
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pts := 0
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if len(dialogs.Dialogs) > 0 {
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d, ok := dialogs.Dialogs[0].(*tg.Dialog)
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if ok {
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pts = d.Pts
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}
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}
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return domain.Channel{
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ID: uuid.New(),
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TelegramID: domain.ChatIDFromChannelID(ch.ID),
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Username: username,
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Title: ch.Title,
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AccessHash: ch.AccessHash,
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Pts: pts,
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}, nil
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}
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