code: func (bot *BotAPI) GetFileDirectURL(fileID string) (string, error) {
  	file, err := bot.GetFile(FileConfig{fileID})
  
  	if err != nil {
  		return "", err
  	}
  
  	return file.Link(bot.Token), nil
  }
docs: // GetFileDirectURL returns direct URL to file
  //
  // It requires the FileID.