public static void EnsurePopulated(IApplicationBuilder application) { AmazonDbContext context = application.ApplicationServices.CreateScope().ServiceProvider.GetRequiredService <AmazonDbContext>(); //makes sure there is no data present first if (context.Database.GetPendingMigrations().Any()) { context.Database.Migrate(); } //adds data if none is present if (!context.Books.Any()) { context.Books.AddRange( new Book { Title = "Les Miserables", AuthorFirstName = "Victor", AuthorLastName = "Hugo", Publisher = "Signet", ISBN = "978-0451419439", Classification = "Fiction", Category = "Classic", Price = 9.95 }, new Book { Title = "Team of Rivals", AuthorFirstName = "Doris Kearns", AuthorLastName = "Goodwin", Publisher = "Simon and Schuster", ISBN = "978-0743270755", Classification = "Non-Fiction", Category = "Biography", Price = 14.58 }, new Book { Title = "The Snowball", AuthorFirstName = "Alice", AuthorLastName = "Schroeder", Publisher = "Bantam", ISBN = "978-0553384611", Classification = "Non-Fiction", Category = "Biography", Price = 21.54 }, new Book { Title = "American Ulysses", AuthorFirstName = "Ronald C", AuthorLastName = "White", Publisher = "Random House", ISBN = "978-0812981254", Classification = "Non-Fiction", Category = "Biography", Price = 11.61 }, new Book { Title = "Unbroken", AuthorFirstName = "Laura", AuthorLastName = "Hillenbrand", Publisher = "Random House", ISBN = "978-0812974492", Classification = "Non-Fiction", Category = "Historical", Price = 13.33 }, new Book { Title = "The Great Train Robbery", AuthorFirstName = "Michael", AuthorLastName = "Crichton", Publisher = "Vintage ", ISBN = "978-0804171281", Classification = "Fiction", Category = "Historical Fiction", Price = 15.95 }, new Book { Title = "Deep Work", AuthorFirstName = "Cal", AuthorLastName = "Newport", Publisher = "Grand Central Publishing", ISBN = "978-1455586691", Classification = "Non-Fiction", Category = "Self-Help", Price = 14.99 }, new Book { Title = "It's Your Ship", AuthorFirstName = "Michael", AuthorLastName = "Abrashoff", Publisher = "Grand Central Publishing", ISBN = "978-1455523023", Classification = "Non-Fiction", Category = "Self-Help", Price = 21.66 }, new Book { Title = "The Virgin Way", AuthorFirstName = "Richard", AuthorLastName = "Branson", Publisher = "Portfolio", ISBN = "978-1591847984", Classification = "Non-Fiction", Category = "Business", Price = 29.16 }, new Book { Title = "Sycamore Row", AuthorFirstName = "John", AuthorLastName = "Grisham", Publisher = "Bantam", ISBN = "978-0553393613", Classification = "Fiction", Category = "Thrillers ", Price = 15.03 }); context.SaveChanges(); } }
//Constructor public EFAmazonRepository(AmazonDbContext context) { _context = context; }