private void InitializeBooks(BookstoreDbContext context)
{
var rnd = new Random();
byte[] imageBytes = File.ReadAllBytes(@"wwwroot\img\book.jpg");
int booksCount = 50;
Book[] books = Enumerable.Range(1, booksCount)
.Select(i => new Book
{
Name = $"MyBook {i}",
Author = $"Автор К.",
Annotation = $"Lorem ipsum, dolor sit amet consectetur adipisicing elit. Saepe " +
$"perferendis officiis consectetur dolorem pariatur ipsa soluta adipisci omnis molestiae" +
$" modi culpa ut blanditiis eum quaerat unde, sunt similique exercitationem optio?" +
$"Lorem ipsum dolor sit amet consectetur adipisicing elit.Quo," +
$"rem adipisci quasi et commodi suscipit vel neque blanditiis labore ut minima nam " +
$"dolores eligendi consequatur.Asperiores nobis voluptas officia quasi." +
$"Lorem ipsum dolor sit amet,consectetur adipisicing elit.Illo,facere eligendi.",
Category = categories[rnd.Next(1, categoriesCount)],
Price = 450,
Image = imageBytes,
PageCount = 680,
Publisher = $"Иностранка",
YearPublishing = 2007,
Circulation = 6000
})
.ToArray();
context.Books.AddRange(books);
context.SaveChanges();
}
private void InitializeCategories(BookstoreDbContext context)
{
var rnd = new Random();
categories = new Category[categoriesCount];
for (int i = 0; i < categoriesCount; i++)
{
categories[i] = new Category {
Name = $"Категория {i + 1}"
}
}
;
context.Categories.AddRange(categories);
context.SaveChanges();
}
public void Initialize(IApplicationBuilder app)
{
BookstoreDbContext context = app.ApplicationServices
.CreateScope().ServiceProvider.GetRequiredService <BookstoreDbContext>();
// Удаление существующей бд
//await context.Database.EnsureDeletedAsync().ConfigureAwait(false);
if (context.Database.GetPendingMigrations().Any())
{
context.Database.Migrate(); // Migrate - создает бд, если ее нет и накатывает все миграции
}
if (context.Books.Any())
{
return; // Если есть хоть одна книга, то выходим из инициализатора
}
// Заполняем бд данными
InitializeCategories(context);
InitializeBooks(context);
}
public OrderRepository(BookstoreDbContext context) => this.context = context;
public CategoryRepository(BookstoreDbContext context) => this.context = context;
