private void StartDownloadOnClick(object sender, System.Windows.RoutedEventArgs e)
{
MarkerToStopDownload = false;
Task.Run(async() =>
{
var vkService = new VkDownloadService();
var pathName = Path.Combine(SettingsManager.Get(SettingsRequisites.Directory), ".playlist");
var audioPlaylist = new JsonFileManager().ReadFile <List <VkSongModel> >(pathName);
var audioToDownload = new SongsFileSynchronizer().GetSongsToDownload(audioPlaylist);
await vkService.DeleteAndDownload(audioToDownload, new SongsFileSynchronizer().GetSongsToDelete(audioPlaylist));
});
}
