public FFmpegDownloadViewModel(FFmpegSettings FFmpegSettings,
FFmpegDownloadModel DownloadModel,
IFFmpegViewsProvider FFmpegViewsProvider,
IMessageProvider MessageProvider)
{
this.FFmpegSettings = FFmpegSettings;
_downloadModel = DownloadModel;
_messageProvider = MessageProvider;
StartCommand = _downloaderProgress
.Select(M => M.State)
.Select(M => M == FFmpegDownloaderState.Ready)
.ToReactiveCommand()
.WithSubscribe(async() =>
{
var progress = new Progress <FFmpegDownloaderProgress>(M => _downloaderProgress.Value = M);
_downloadTask = DownloadModel.Start(progress, _cancellationTokenSource.Token);
var result = await _downloadTask;
AfterDownload?.Invoke(result);
});
CanCancel = _downloaderProgress
.Select(M => M.State)
.Select(M => M == FFmpegDownloaderState.Downloading)
.ToReadOnlyReactivePropertySlim();
SelectFolderCommand = _downloaderProgress
.Select(M => M.State)
.Select(M => M == FFmpegDownloaderState.Ready)
.ToReactiveCommand()
.WithSubscribe(FFmpegViewsProvider.PickFolder);
OpenFolderCommand = new ReactiveCommand()
.WithSubscribe(() =>
{
var path = FFmpegSettings.GetFolderPath();
if (Directory.Exists(path))
{
Process.Start(path);
}
});
Status = _downloaderProgress
.Select(M =>
{
switch (M.State)
{
case FFmpegDownloaderState.Error:
return(M.ErrorMessage);
case FFmpegDownloaderState.Downloading:
return($"{FFmpegDownloaderState.Downloading} ({M.DownloadProgress}%)");
default:
return(M.State.ToString());
}
})
.ToReadOnlyReactivePropertySlim();
Progress = _downloaderProgress
.Where(M => M.State == FFmpegDownloaderState.Downloading)
.Select(M => M.DownloadProgress)
.ToReadOnlyReactivePropertySlim();
Progress.Subscribe(M => ProgressChanged?.Invoke(M));
InProgress = _downloaderProgress
.Select(M => M.State)
.Select(M => M == FFmpegDownloaderState.Downloading || M == FFmpegDownloaderState.Extracting)
.ToReadOnlyReactivePropertySlim();
IsDone = _downloaderProgress
.Select(M => M.State)
.Select(M => M == FFmpegDownloaderState.Done || M == FFmpegDownloaderState.Cancelled || M == FFmpegDownloaderState.Error)
.ToReadOnlyReactivePropertySlim();
}
public FFmpegConsoleManager(FFmpegDownloadModel DownloadModel,
FFmpegSettings FfmpegSettings)
{
_downloadModel = DownloadModel;
_ffmpegSettings = FfmpegSettings;
}
