AutoMapper - How to go to three-level depth

Question

I'm trying to use AutoMapper to align an object with a relation to another object that is related to the third object to view the model

How to match these three objects into one?

Source:

public class Address
{
    public int AddressId { get; set; }
    public string AddressLine1 { get; set; }       
    public int CityId { get; set; }
    public virtual City City { get; set; }  
}

public class City
{
    public int CityId { get; set; }
    public string CityName { get; set; }
    public int CountryId { get; set; }
    public virtual Country Country { get; set; }

    public virtual ICollection<Address> Addresses { get; set; }
}
public class Country
{
    public int CountryId { get; set; }
    public string CountryName { get; set; }
    public virtual ICollection<City> Cities { get; set; }
}

Appointment:

Public Class AddressViewModel
{
    public int AddressId { get; set; }
    public string AddressLine1 { get; set; }       
    public int CityId { get; set; }
    public string CityName { get; set; }
    public int CountryId { get; set; }
    public string CountryName { get; set}
}

Answer 1

Several ways (at least). If you name the fields of your view differently, this can happen by convention:

Public Class AddressViewModel
{
    public int AddressId { get; set; }
    public string AddressLine1 { get; set; }       
    public int CityCityId { get; set; }
    [DisplayName("City Name")]
    public string CityCityName { get; set; }
    public int CityCountryCountryId { get; set; }
    [DisplayName("Country Name")]
    public string CityCountryCountryName { get; set}
}

If this is too ugly, you can do it in CreateMap:

Mapper.CreateMap<Address, AddressViewModel>()
    .ForMember(dest => dest.CityId, opts => opts.MapFrom(src => src.City.CityId))
    .ForMember(dest => dest.CityName, opts => opts.MapFrom(src => src.City.CityName))
    .ForMember(dest => dest.CountryId, opts => opts.MapFrom(src => src.City.Country.CountryId))
    .ForMember(dest => dest.CountryName, opts => opts.MapFrom(src => src.City.Country.CountryName));

http://automapper.codeplex.com/wikipage?title=Flattening&referringTitle=Home