public async Task Faceapp(string filterId, string url = null)
{
var imageUrl = await Context.GetImageUrl(url);
var stream = await _faceApp.Filter(imageUrl, filterId);
await Context.Channel.SendFileAsync(stream, "result.png");
}
public async Task Faceapp(string filterId, string url = null)
{
var imageUrls = await Context.GetAllImageUrls(new[] { url });
var imageUrl = imageUrls.FirstOrDefault() ?? throw new Exception("need an image");
var stream = await _faceApp.Filter(imageUrl, filterId);
await Context.Channel.SendFileAsync(stream, "result.png");
}