Assigning a value manually in Automapper depending on the value of the source

CSharp · Console

/Program.cs

using System;
using AutoMapper;
using Newtonsoft.Json;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
		MapperConfiguration _config = new MapperConfiguration(config =>
		{
			config.CreateMap<Notification, NotificationItemDTO>()
				.ForMember(
					dest => dest.Sent,
					opts => opts.MapFrom(src => src.Status == 2)
				); 
		});
		
		IMapper _mapper = _config.CreateMapper();
		
		List<Notification> inputs = new List<Notification>
		{
			new Notification { Status = 1 },
			new Notification { Status = 2 }
		};
		
		for (int i = 0; i < inputs.Count; i++)
		{
			Console.WriteLine($"Test case {i+1}");
		
			var src = inputs[i];
			Console.WriteLine($"Input: {JsonConvert.SerializeObject(src)}");

			var dest = _mapper.Map<NotificationItemDTO>(src);
			Console.WriteLine($"Output: {JsonConvert.SerializeObject(dest)}");

			Console.WriteLine("---");
		}
	}
}

public class NotificationItemDTO
{
    public long Id { get; set; }
    public string Title { get; set; }
    public string Description { get; set; }
    public string Type { get; set; }
    public bool Sent { get; set; }
}

public class Notification
{
    public long Id { get; set; }
    public string Title { get; set; }
    public string Description { get; set; }
    public string Type { get; set; }
    public int Status { get; set; }
}