AutoMapper-two-to-one

automapper-two-to-one.cs

using System;
using System.Text.Json;
using AutoMapper;

namespace automapper_two_entities
{
    public static class Program
    {
        public static void Main()
        {
            Console.WriteLine("Hello World!");
            var config = new MapperConfiguration(cfg =>
            {
                cfg.CreateMap<Book, BookRichInfo>();
                cfg.CreateMap<Author, BookRichInfo>();
            });

            IMapper mapper = config.CreateMapper();

            Book b = new Book { Title = "The Pilgrim's Progress", Rating = 10, Wikipage = "https://en.wikipedia.org/wiki/John_Bunyan" };
            Author a = new Author { AuthorName = "John bunyan" };

            var dto = mapper.Map<Book, BookRichInfo>(b);

            mapper.Map<Author, BookRichInfo>(a, dto);

            var dtoSer = JsonSerializer.Serialize(dto);
            System.Console.WriteLine(dtoSer);
        }
    }

    public class BookRichInfo
    {
        public string Title { get; set; }
        public string AuthorName { get; set; }
        public int Rating { get; set; }
    }


    public class Book
    {
        public string Title { get; set; }
        public int Rating { get; set; }
        public string Wikipage { get; internal set; }
    }

    public class Author
    {
        public string AuthorName { get; set; }
    }
}