public async Task <TEntity> AddAsync(TEntity entity)
{
Guard.Against.Null(entity, nameof(TEntity));
await dbContext.Set <TEntity>().AddAsync(entity);
await dbContext.SaveChangesAsync();
return(entity);
}
public static async Task SeedAsync(ShopDbContext dbContext)
{
if (!await dbContext.Authors.AnyAsync())
{
await dbContext.Authors.AddRangeAsync(
new Author
{
FirstName = "Leo",
LastName = "Tolstoy",
ImagePath = "/Images/Tolstoy.jpg",
Biography = "Born to an aristocratic Russian family in 1828,[3] he is best known for the novels " +
"War and Peace (1869) and Anna Karenina (1877),[8] often cited as pinnacles of realist " +
"fiction.He first achieved literary acclaim in his twenties with his semi-autobiographical trilogy, " +
"Childhood, Boyhood, and Youth (1852–1856), and Sevastopol Sketches (1855)",
Genre = Genre.Fiction
},
new Author
{
FirstName = "George",
LastName = "Orwell",
ImagePath = "/Images/Orwell.jpg",
Biography = "Eric Arthur Blair (25 June 1903 – 21 January 1950),better known by his pen name George Orwell, " +
"was an English novelist and essayist, journalist and critic.[2] His work is characterised" +
" by lucid prose, biting social criticism, opposition to totalitarianism, and outspoken support " +
"of democratic socialism",
Genre = Genre.Fantasy
}
);
await dbContext.SaveChangesAsync();
}
if (!await dbContext.Books.AnyAsync())
{
await dbContext.Books.AddRangeAsync(
new Book
{
Title = "War and Peace",
Year = 2002,
Pages = 800,
Description = "War and Peace is a novel by the Russian author Leo Tolstoy, " +
"published serially, then in its entirety in 1869. It is regarded as one of Tolstoy's " +
"finest literary achievements",
ImagePath = "/Images/WarAndPeace.jpeg",
Genre = Genre.Fiction,
Price = 1200,
AuthorID = 1
},
new Book
{
Title = "1984",
Year = 2010,
Pages = 200,
Description = "Nineteen Eighty-Four: A Novel, often published as 1984, is a dystopian novel by English novelist " +
"George Orwell. It was published on 8 June 1949 by Secker & Warburg as Orwell's ninth and " +
"final book completed in his lifetime.",
Genre = Genre.Fantasy,
Price = 400,
AuthorID = 2,
ImagePath = "/Images/Oruel.jpeg",
});
await dbContext.SaveChangesAsync();
}
}
