50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
package telegram
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import (
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"context"
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"fmt"
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"time"
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"github.com/TelegramExchange/tgex-backend/tg_parser/internal/domain"
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"github.com/gotd/td/tg"
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"github.com/rs/zerolog/log"
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)
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func (t *Telegram) GetChannelHistory(ctx context.Context, channel domain.Channel, limit int) ([]domain.Post, error) {
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log.Info().Msg(channel.String())
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req := &tg.MessagesGetHistoryRequest{
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Peer: &tg.InputPeerChannel{
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ChannelID: channel.ChannelID(),
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AccessHash: channel.AccessHash,
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},
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Limit: limit,
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}
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resp, err := t.API().MessagesGetHistory(ctx, req)
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if err != nil {
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return nil, fmt.Errorf("resp: %w", err)
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}
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messages, ok := resp.(*tg.MessagesChannelMessages)
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if !ok {
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return nil, nil
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}
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posts := make([]domain.Post, 0, len(messages.Messages))
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for _, raw := range messages.Messages {
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m, ok := raw.(*tg.Message)
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if !ok {
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continue
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}
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text := messageToHTML(m.Message, m.Entities)
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publishedAt := time.Unix(int64(m.Date), 0).UTC()
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p := domain.NewPost(channel, m.ID, text, m.Views, publishedAt)
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posts = append(posts, p)
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}
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return posts, nil
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}
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