DannyRusnok

public interface IEntity<TKey>
{
  TKey Id { get; }
}

DannyRusnok

public class Order : AggregateRoot
{
  public ICollection<OrderItem> Items { get; set; }
  public Address Address { get; set; }
}

DannyRusnok

public abstract class AggregateRoot{
  private readonly List<INotification> _domainEvents = new List<INotification>();
  public IReadOnlyCollection<INotification> DomainEvents => _domainEvents.AsReadOnly();

  public void AddDomainEvent(INotification eventItem)
  {
      _domainEvents.Add(eventItem);
  }

  public void RemoveDomainEvent(INotification eventItem)

DannyRusnok

public record class Address(string Street, string ZipCode, string City);

/*
EQUALS:
public class Adress{
  public string Street { get; init; }
  public string ZipCode { get; init; }
  public string City { get; init; }
  
  public Address(string street, string zipcode, string city){

DannyRusnok

public class AppDbContext : DbContext
{
    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
    {
    }

    protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder)
    {
        configurationBuilder.Properties<Address>().HaveConversion<AddressConverter>();
    }

DannyRusnok

public class AddressConverter : ValueConverter<Address, string>
{
    public AddressConverter()
        : base(
            v => JsonSerializer.Serialize(v, (JsonSerializerOptions)null),
            v => JsonSerializer.Deserialize<Address>(v, (JsonSerializerOptions)null))
    {
    }
}

DannyRusnok

modelBuilder.Entity<Person>()
.Property(e => e.Address)
.HasConversion(
    v => JsonSerializer.Serialize(v, (JsonSerializerOptions)null),
    v => JsonSerializer.Deserialize<Address>(v, (JsonSerializerOptions)null));

DannyRusnok

b.OwnsMany(x => x.Addresses, sb =>
{
    sb.Property(x => x.City)
        .HasMaxLength(255)
        .HasDefaultValue(string.Empty);

    sb.Property(x => x.Street)
        .HasMaxLength(255)
        .HasDefaultValue(string.Empty);

DannyRusnok

public class AppDbContext : DbContext
{
    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
    {
    }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<Person>(b =>
        {

DannyRusnok

public class Person
{
    public Guid Id { get; set; }
    public string Name { get; set; }
    public string LastName { get; set; }
    public Address Address { get; set; }
}

public record class Address(string City, string Street, string ZipCode);