public virtual async Task <IActionResult> NewsComments(int?filterByNewsItemId)
{
if (!await _permissionService.AuthorizeAsync(StandardPermissionProvider.ManageNews))
{
return(AccessDeniedView());
}
//try to get a news item with the specified id
var newsItem = await _newsService.GetNewsByIdAsync(filterByNewsItemId ?? 0);
if (newsItem == null && filterByNewsItemId.HasValue)
{
return(RedirectToAction("NewsComments"));
}
//prepare model
var model = await _newsModelFactory.PrepareNewsCommentSearchModelAsync(new NewsCommentSearchModel(), newsItem);
return(View(model));
}