using AutoMapper;

​

public enum CurrencySymbol { USD, EUR }

​

public class Money // I have no control over this class

{

  public decimal Amount { get; private set; }

  public CurrencySymbol Currency { get; private set; }

​

  private Money() { }

​

  public static Money From(decimal amount, CurrencySymbol currency)

    => new() { Amount = amount, Currency = currency };

}

​

public class CreateOrderCommand

{

  public CurrencySymbol CurrencySymbol { get; set; }

  public decimal LowPrice { get; set; }

  public decimal HighPrice { get; set; }

}

​

public class Order

{

  public Money LowPrice { get; set; }

  public Money HighPrice { get; set; }

}

public class Program

{

    public static void Main()

    {

      var config = new MapperConfiguration(cfg =>

        cfg.CreateMap<CreateOrderCommand, Order>()

      /*

        I have no idea how to do something like this \/\/\/\/

        return new Order

        {

          LowPrice = Money.From(createOrderCommand.LowPrice, createOrderCommand.CurrencySymbol),

          HighPrice = Money.From(createOrderCommand.HighPrice, createOrderCommand.CurrencySymbol),

​

        }

      */

        );

      config.AssertConfigurationIsValid();

    var mapper = config.CreateMapper();

      var source = new CreateOrderCommand

      {

      HighPrice = 200,

      LowPrice = 100,

      CurrencySymbol = CurrencySymbol.USD,

      };

​

      var destination = mapper.Map<Order>(source);

    }

} 

​