Which Way .NET Developer?

public abstract class BaseModel
{
    public Guid Id { get; set; }
}

public class Genre : BaseModel
{
    public string Name { get; set; }
}

public class Game : BaseModel
{
    public string Name { get; set; }
    public Genre Genre { get; set; }
    public decimal Price { get; set; }
}

public interface IGameRepository
{
    Game Get(Guid id);
}

public class GameRepository : IGameRepository
{
    private  readonly DataContext _context;

    public GameRepository(DataContext context)
    {
        _context = context;
    }

    public Game? Get(Guid id)
    {
        return _context
            .Games
            .Include(g => g.Genre)
            .Where(g = g.Id == id)
            .AsNoTracking()
            .FirstOrDefault();
    }
}

public class GameDto // base DTO?
{
    public Guid Id { get; set; }
    public string Name { get; set; }
    public string Genre { get; set; } // Genre DTO?
    public decimal Price { get; set; }
}

public static class GameExtension 
{
    public static GameDto AsDto(this Game game)
    {
        return new GameDto
        {
            Id = game.Id,
            Name = game.Name,
            Genre = game.Genre.Name,
            Price = game.Price
        };
    }
}

public interface IGameService
{
    GameDto GetGameById(Guid id);
}

public class GameService : IGameService
{
    private readonly IGameRepository _repository;

    public GameService(IGameRepository repository)
    {
        _repository = repository;
    }

    public GameDto? GetGameById(Guid id)
    {
        return _repository.Get(id)?.AsDto();
}

public class GamesController : Controller
{
    private readonly IGameService _service;

    public GameController(IGameService service)
    {
        _service = service;
    }

    [HttpGet("{id}")]
    public async Task<IActionResult> Get(Guid id)
    {
        var game = _service.GetGameById(id);
        if (game == null)
        {
            return NotFound();
        }
        return Ok(result);
    }
}

public abstract class BaseModel
{
    public Guid Id { get; set; }
}

public class Genre : BaseModel
{
    public string Name { get; set; }
}

public class Game : BaseModel
{
    public string Name { get; set; }
    public Genre Genre { get; set; }
    public decimal Price { get; set; }
}

public interface IGameRepository
{
    Game Get(Guid id);
}

public class GameRepository : IGameRepository
{
    private  readonly DataContext _context;

    public GameRepository(DataContext context)
    {
        _context = context;
    }

    public Game? Get(Guid id)
    {
        return _context
            .Games
            .Include(g => g.Genre)
            .Where(g = g.Id == id)
            .AsNoTracking()
            .FirstOrDefault();
    }
}

public class GameDto // base DTO?
{
    public Guid Id { get; set; }
    public string Name { get; set; }
    public string Genre { get; set; } // Genre DTO?
    public decimal Price { get; set; }
}

public static class GameExtension 
{
    public static GameDto AsDto(this Game game)
    {
        return new GameDto
        {
            Id = game.Id,
            Name = game.Name,
            Genre = game.Genre.Name,
            Price = game.Price
        };
    }
}

public interface IGameService
{
    GameDto GetGameById(Guid id);
}

public class GameService : IGameService
{
    private readonly IGameRepository _repository;

    public GameService(IGameRepository repository)
    {
        _repository = repository;
    }

    public GameDto? GetGameById(Guid id)
    {
        return _repository.Get(id)?.AsDto();
}

public class GamesController : Controller
{
    private readonly IGameService _service;

    public GameController(IGameService service)
    {
        _service = service;
    }

    [HttpGet("{id}")]
    public async Task<IActionResult> Get(Guid id)
    {
        var game = _service.GetGameById(id);
        if (game == null)
        {
            return NotFound();
        }
        return Ok(result);
    }
}

app.MapGet("/games/{id}", (DbConnection connection, HttpResponse response, Guid id) => {
    response.ContentType = MediaTypeNames.Application.Json;
    var result = connection.Read<string>(@"
        select
            json_build_object(
                'id', game_id,
                'name', games.name,
                'genre', genres.name,
                'price', price
            )
        from 
            games join genres using (genre_id)
        where
            game_id = @id
    ", id)
    .FirstOrDefault();
    if (result == null)
    {
        return Results.NotFound();
    }
    return Results.Ok(result);
});

app.MapGet("/games/{id}", (DbConnection connection, HttpResponse response, Guid id) => {
    response.ContentType = MediaTypeNames.Application.Json;
    var result = connection.Read<string>(@"
        select
            json_build_object(
                'id', game_id,
                'name', games.name,
                'genre', genres.name,
                'price', price
            )
        from 
            games join genres using (genre_id)
        where
            game_id = @id
    ", id)
    .FirstOrDefault();
    if (result == null)
    {
        return Results.NotFound();
    }
    return Results.Ok(result);
});