コード例 #1
0
        public static void EnsureSeeded(this MusicStoreDbContext context)
        {
            var artists = SampleData.Artists;
            var genres  = SampleData.Genres;
            var albums  = SampleData.GetAlbums(genres, artists);

            //Ensure we have some status
            if (!context.Genres.Any())
            {
                context.AddRange(genres);
                context.SaveChanges();
            }
            //Ensure we create initial Threat List
            if (!context.Artists.Any())
            {
                context.AddRange(artists);
                context.SaveChanges();
            }

            if (!context.Albums.Any())
            {
                context.AddRange(albums);
                context.SaveChanges();
            }
        }
コード例 #2
0
        public void AddToCart(Album album)
        {
            var cartItem = _context.CartItems.SingleOrDefault(c => c.AlbumId == album.AlbumId && c.ShoppingCartId == _shoppingCartId);

            if (cartItem == null)
            {
                //create a new cart
                var newCartItem = new CartItem()
                {
                    ShoppingCartId = _shoppingCartId,
                    AlbumId        = album.AlbumId,
                    Count          = 1,
                    DateCreated    = DateTime.Now
                };
                _context.Add(newCartItem);
            }
            else
            {
                cartItem.Count++;
            }
            _context.SaveChanges();
        }