namespace Bookstore.Domain.Customers { public class Customer : Entity { public string Sub { get; set; } public string? Username { get; set; } public string? FirstName { get; set; } public string? LastName { get; set; } public string FullName => $"{FirstName} {LastName}"; public string? Email { get; set; } public DateTime? DateOfBirth { get; set; } public string? Phone { get; set; } } }