public async Task ImportTracks(IEnumerable<FileInfo> files, UserPlaylist playlist)
{
if (_isEnabled)
throw new InvalidOperationException("The TrackImporter is already running");
_isEnabled = true;
var extensions = _musicDataManager.MusicManager.AudioEngine.SupportedExtensions;
var filesToImport = files.Where(fileInfo => fileInfo.Exists && !string.IsNullOrEmpty(fileInfo.Extension)).ToList();
var allFilesCount = (double)filesToImport.Count;
for (int i = 0; i < filesToImport.Count; i++)
{
var fileInfo = filesToImport[i];
ProgressMessageChanged?.Invoke(this, $"\"{fileInfo.Name}\"");
ProgressChanged?.Invoke(this, i / allFilesCount);
var track = await GetTrack(fileInfo, extensions);
if (track != null && playlist != null && !playlist.Tracks.Contains(track))
playlist.AddTrack(track);
if (_cancel)
break;
}
Finished?.Invoke(this, EventArgs.Empty);
_isEnabled = false;
_cancel = false;
}
