public async Task <ActionResult> Detail(int?id)
{
if (id == null || !_podcastService.PodcastExists((int)id))
{
return(RedirectToAction("Index", "Home")); // TODO: redirect to error page
}
var userId = User.Identity.GetUserId();
var viewModel = await _mediator.Send(new Detail.Query {
PodcastId = (int)id, UserId = userId
});
return(View(viewModel));
}