public void DeleteRssFeed(RssFeedViewModel rssFeed)
 {
     if (rssFeed != null)
     {
         FeedsList.Remove(rssFeed);
     }
 }
        public void DeleteRssFeed(Guid rssFeedId)
        {
            RssFeedViewModel found = FeedsList.DefaultIfEmpty(null).FirstOrDefault(feed => feed.Id == rssFeedId);

            if (found != null)
            {
                DeleteRssFeed(found);
            }
        }
        public RssFeedViewModel AddRssFeed(RssFeedViewModel rssFeed)
        {
            if (rssFeed != null)
            {
                FeedsList.Add(rssFeed);
            }

            return(rssFeed);
        }