public async Task <IHttpActionResult> Get(int id)
        {
            var enrollment = await enrollmentService.GetById(id);

            var enrollmentDTO = mapper.Map <EnrollmentDTO>(enrollment);

            return(Ok(enrollmentDTO)); // Status code 200
        }
        public async Task <IHttpActionResult> GetById(int id)//se devuelve un DTO
        {
            var enrollment = await enrollmentService.GetById(id);

            if (enrollment == null)
            {
                return(NotFound());
            }

            var enrollmentDTO = _mapper.Map <EnrollmentResponseDTO>(enrollment);

            return(Ok(enrollmentDTO));
        }