using AutoMapper;

using AgileObjects.ReadableExpressions;

using Microsoft.Extensions.DependencyInjection;

using Volo.Abp.Domain.Entities;

using System;

using System.Collections.Generic;

using System.Text.Json;

using System.Linq;

public class Program

{

    public static void Main()

    {

        // Setup

        var serviceProvider = new ServiceCollection()

            .AddAutoMapper(typeof(DbEntityToDomainModelProfile))

            .BuildServiceProvider();

        // Usage

        var mapper = serviceProvider.GetService<IMapper>();

        var executionPlan = mapper.ConfigurationProvider.BuildExecutionPlan(typeof(UserRolesEntity), typeof(UserRoles));

        var description = executionPlan.ToReadableString();

        Console.WriteLine("--- Execution Plan ---");

        Console.WriteLine(description);

        Console.WriteLine("--- End Execution Plan ---");

        Console.WriteLine();

        var dbEntities = new List<UserRolesEntity>

        {

            new UserRolesEntity 

            { 

                Id = Guid.NewGuid(), 

                Email = "email1@email.com",

                Roles = @"[""administrator"", ""superadmin"", ""techcorner""]"

            },

            new UserRolesEntity 

            { 

                Id = Guid.NewGuid(), 

                Email = "email2@email.com",

                Roles = @"[""SystemConsoleAdministrator"", ""TelematicsEngineer"", ""OpsManager"", ""OpsEngineer""]"

            }

        };

        var domainModels = mapper.Map<List<UserRoles>>(dbEntities);

        Console.WriteLine(domainModels.GetType());

        foreach (var dd in domainModels)

        {

            Console.WriteLine(dd);  

        }

    }

    public class UserRoles : AggregateRoot<Guid>

    {

        public string Email { get; private set; }

        public IEnumerable<string> Roles { get; private set; }

        private UserRoles() { }

        public UserRoles(Guid id, string email, IEnumerable<string> roleList) : base(id)

        {

            Email = email;

            Roles = roleList;

        }

        public override string ToString()

        {

            return System.Text.Json.JsonSerializer.Serialize(this);

        }

    }

    public class UserRolesEntity

    {

        public Guid Id { get; set; }

        public string Email { get; set; }

        public string Roles { get; set; }

    }

    public class DbEntityToDomainModelProfile : Profile

    {

        public DbEntityToDomainModelProfile()

        {

            CreateMap<UserRolesEntity, UserRoles>()

                .ForMember(dest => dest.Roles, opt => opt.MapFrom<JsonStringToUserRolesResolver>());

        }

    }

    public class JsonStringToUserRolesResolver : IValueResolver<UserRolesEntity, UserRoles, IEnumerable<string>>

    {

        public IEnumerable<string> Resolve(UserRolesEntity source, UserRoles destination, IEnumerable<string> destMember, ResolutionContext context)

        {

            var userRoles = JsonSerializer.Deserialize<IEnumerable<string>>(source.Roles);

            if (userRoles == null)

            {

                return Enumerable.Empty<string>();

            }

​

            return userRoles;

        }

    }

}