Seed İşlemleri

Veri tabanı yeni oluşturulacaksa otomatik olarak içerisine otomatik olarak kayıt ekler.

public static class DataSeeding
{
    public static void Seed(DbContext context)
    {
        if(context.Database.GetPendingMigrations().Count()==0)
        {
            if(context is ShopContext)
            {
                ShopContext _context = context as ShopContext;

                if(_context.Products.Count()==0)
                {
                    _context.Products.AddRange(Products);
                }

                if(_context.Categories.Count()==0)
                {
                    _context.Categories.AddRange(Categories);
                }
            }
            
            context.SaveChanges();
        }
    }

    private static Product[] Products = {
        new Product{Name="Product Seed 1", Price=1},
        new Product{Name="Product Seed 2", Price=2},
        new Product{Name="Product Seed 3", Price=3},
        new Product{Name="Product Seed 4", Price=4},
    };

    private static Category[] Categories = {
        new Category{Name="Category Seed 1"},
        new Category{Name="Category Seed 2"},
        new Category{Name="Category Seed 3"},
        new Category{Name="Category Seed 4"},
    };
}



static void Main(string[] args)
    {
        DataSeeding.Seed(new ShopContext);
    }