public static async Task <string> UploadFileAsync(IMessageChannel channel, string filePath, FileUploadOptions options = FileUploadOptions.None)
{
IUserMessage result = await channel.SendFileAsync(filePath);
string url = result.Attachments.FirstOrDefault()?.Url;
if (!string.IsNullOrEmpty(url) && options.HasFlag(FileUploadOptions.DeleteFileAfterUpload))
{
IOUtilities.TryDeleteFile(filePath);
}
return(url);
}