/// <summary>
/// Downloads an image associated with a rich menu.
/// </summary>
/// <param name="richMenuId"></param>
/// <returns></returns>
public async Task <LineClientResult <Stream> > GetRichMenuImage(string richMenuId)
{
if (string.IsNullOrEmpty(richMenuId))
{
throw new ArgumentException("The property rich menu iden can't not be null");
}
var request = new LineGetStreamRequest <Stream>(this, $"bot/richmenu/{richMenuId}/content");
return(await request.Execute());
}
/// <summary>
/// Get message content
/// </summary>
/// <param name="messageId"></param>
/// <returns></returns>
public async Task <LineClientResult <Stream> > GetMessageContent(string messageId)
{
if (!string.IsNullOrWhiteSpace(messageId))
{
throw new ArgumentNullException("The property message id should not be null or empty");
}
var request = new LineGetStreamRequest <Stream>(this, $"bot/message/{messageId}/content");
return(await request.ExecuteStreamServiceCall <Stream>(null));
}
