/
reply_document.go
57 lines (51 loc) · 1.24 KB
/
reply_document.go
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package handlers
import (
"bufio"
"context"
"github.com/g4s8/openbots/pkg/types"
telegram "github.com/go-telegram-bot-api/telegram-bot-api/v5"
"github.com/pkg/errors"
"github.com/rs/zerolog"
)
var _ types.Handler = (*ReplyDocument)(nil)
// ReplyDocument sends document file to chat.
type ReplyDocument struct {
key string
name string
assets types.Assets
logger zerolog.Logger
}
// NewReplyDocument creates new ReplyDocument handler using file by key.
func NewReplyDocument(key, name string, assets types.Assets,
logger zerolog.Logger,
) *ReplyDocument {
return &ReplyDocument{
key: key,
name: name,
assets: assets,
logger: logger,
}
}
func (h *ReplyDocument) Handle(ctx context.Context, upd *telegram.Update,
api *telegram.BotAPI,
) error {
asset, err := h.assets.LoadAsset(ctx, h.key)
if err != nil {
return errors.Wrap(err, "load asset")
}
defer func() {
if err := asset.Close(); err != nil {
h.logger.Error().Err(err).Msg("Failed to close asset file")
}
}()
fr := telegram.FileReader{
Name: h.name,
Reader: bufio.NewReader(asset),
}
chatID := ChatID(upd)
msg := telegram.NewDocument(int64(chatID), fr)
if _, err := api.Send(msg); err != nil {
return errors.Wrap(err, "send document")
}
return nil
}