YouTube Downloader

using CommunityToolkit.Maui.Storage;
using YoutubeExplode;
using YoutubeExplode.Videos.Streams;
 
namespace okiyoutubeindirici
{
    public partial class MainPage : ContentPage
    {
        private readonly IFileSaver _fileSaver;
        private readonly CancellationTokenSource _cancellationTokenSource = new();
 
        public MainPage(IFileSaver fileSaver)
        {
            InitializeComponent();
            _fileSaver = fileSaver;
        }
 
        private async void Button_Clicked(object sender, EventArgs e)
        {
            try
            {
                await Task.Run(async () =>
                {
                    var youtubeClient = new YoutubeClient();
                    var video = await youtubeClient.Videos.GetAsync(videoUrl.Text);
                    
                    var streamManifest = await youtubeClient.Videos.Streams.GetManifestAsync(
                        video.Id, 
                        _cancellationTokenSource.Token
                    );
                    
                    var streamInfo = streamManifest.GetAudioOnlyStreams().GetWithHighestBitrate();
                    var stream = await youtubeClient.Videos.Streams.GetAsync(
                        streamInfo, 
                        _cancellationTokenSource.Token
                    );
 
                    var fullpath = await _fileSaver.SaveAsync(
                        $"{video.Title}.mp3", 
                        stream, 
                        _cancellationTokenSource.Token
                    );
                });
            }
            catch (Exception ex)
            {
                await DisplayAlert("Hata", ex.Message, "Tamam");
            }
        }
    }
}