コード例 #1
0
        public static void EnsurePopulated(IApplicationBuilder application)
        {
            BooksDbContext context = application.ApplicationServices.
                                     CreateScope().ServiceProvider.GetRequiredService <BooksDbContext>();

            //if statements to tell it to migrate again if needed, and than populate the database if it's empty
            if (context.Database.GetPendingMigrations().Any())
            {
                context.Database.Migrate();
            }

            if (!context.Books.Any())
            {
                context.Books.AddRange(

                    new Book
                {
                    Title            = "Les Miserables",
                    AuthorFirstName  = "Victor",
                    AuthorMiddleName = "",
                    AuthorLastName   = "Hugo",
                    Publisher        = "Signet",
                    Isbn             = "978-0451419439",
                    Classification   = "Fiction",
                    Category         = "Classic",
                    Price            = 9.95
                },

                    new Book
                {
                    Title            = "Team of Rivals",
                    AuthorFirstName  = "Doris",
                    AuthorMiddleName = "Kearns",
                    AuthorLastName   = "Goodwin",
                    Publisher        = "Simon & Schuster",
                    Isbn             = "978-0743270755",
                    Classification   = "Non-Fiction",
                    Category         = "Biography",
                    Price            = 14.58
                },

                    new Book
                {
                    Title            = "The Snowball",
                    AuthorFirstName  = "Alice",
                    AuthorMiddleName = "",
                    AuthorLastName   = "Schroeder",
                    Publisher        = "Bantam",
                    Isbn             = "978-0553384611",
                    Classification   = "Non-Fiction",
                    Category         = "Biography",
                    Price            = 21.54
                },

                    new Book
                {
                    Title            = "American Ulysses",
                    AuthorFirstName  = "Ronald",
                    AuthorMiddleName = "C.",
                    AuthorLastName   = "White",
                    Publisher        = "Random House",
                    Isbn             = "978-0812981254",
                    Classification   = "Non-Fiction",
                    Category         = "Biography",
                    Price            = 11.61
                },

                    new Book
                {
                    Title            = "Unbroken",
                    AuthorFirstName  = "Laura",
                    AuthorMiddleName = "",
                    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",
                    AuthorMiddleName = "",
                    AuthorLastName   = "Chrichton",
                    Publisher        = "Vintage",
                    Isbn             = "978-0804171281",
                    Classification   = "Fiction",
                    Category         = "Historical Fiction",
                    Price            = 15.95
                },

                    new Book
                {
                    Title            = "Deep Work",
                    AuthorFirstName  = "Cal",
                    AuthorMiddleName = "",
                    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",
                    AuthorMiddleName = "",
                    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",
                    AuthorMiddleName = "",
                    AuthorLastName   = "Branson",
                    Publisher        = "Portfolio",
                    Isbn             = "978-1591847984",
                    Classification   = "Non-Fiction",
                    Category         = "Business",
                    Price            = 29.16
                },

                    new Book
                {
                    Title            = "Sycamore Row",
                    AuthorFirstName  = "John",
                    AuthorMiddleName = "",
                    AuthorLastName   = "Grisham",
                    Publisher        = "Bantam",
                    Isbn             = "978-0553393613",
                    Classification   = "Fiction",
                    Category         = "Thrillers",
                    Price            = 15.03
                }
                    );

                context.SaveChanges();
            }
        }
コード例 #2
0
 //Constructor for the class
 public EFBooksRepository(BooksDbContext context)
 {
     _context = context;
 }