public Channel(EntityFramwork.Channel dbChan)
 {
     Id = dbChan.id;
     Title = dbChan.title;
     Description = dbChan.description;
     Link = dbChan.link;
     Url = dbChan.url;
     PubDate = dbChan.pubDate;
     LastBuildDate = dbChan.lastBuildDate;
     Image = dbChan.image;
     Enclosure = dbChan.enclosure;
 }
        public Item(EntityFramwork.Item dbItem, EntityFramwork.User user)
        {
            Id = dbItem.id;
            IdChannel = dbItem.id_channel;
            Title = dbItem.title;
            PubDate = dbItem.pubDate;
            Description = dbItem.description;
            GUID = dbItem.guid;
            Author = dbItem.author;
            Category = dbItem.category;
            Comments = dbItem.comments;

            using (var db = new EntityFramwork.ServerDataContext())
            {
                Read = (from item in db.ItemReads where item.id_item == Id && item.User == user select item).SingleOrDefault() != null;
            }
        }