aspnet-migration-01.cs

public class V1_0_0_InitialSetup: BaseMigration
{
    private readonly AppDbContext _db;
    private readonly ILogger < V1_0_0_InitialSetup > _logger;
    public V1_0_0_InitialSetup(AppDbContext db, ILogger < V1_0_0_InitialSetup > logger)
    {
        _db = db;
        _logger = logger;
    }
    public override Version Version => new(1, 0, 0);
    public override async Task UpAsync()
    {
        if (FirstTime)
        {
            _logger.LogInformation("First run! Setting up initial data…");
            _db.Products.AddRange(new Product
            {
                Name = "Starter Kit", Price = 49.99 m
            }, new Product
            {
                Name = "Pro Bundle", Price = 149.99 m
            });
            await _db.SaveChangesAsync();
        }
    }
}