presence_new/not relevant/UserService.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using domain.Models.ResponseModels;
using domain.UseCase;
using presence.data.Repository;

namespace domain.Services
{
    public class UserService : IUserUseCase
    {
        private readonly IUserRepository _userRepository;
        public IEnumerable<UserResponse> GetStudents()
        {
            return _userRepository.GetAllUser().Select( 
                user => new UserResponse
                {
                    Id = user.UserId,
                    FIO = user.FIO,
                    GroupId = user.GroupId,
                    Group = new GroupResponse
                    {
                        Name = user.Group.Name,
                        Id = user.Group.Id,
                    }
                }
            );
        }

        
    }
}