public HttpResponseMessage Post(AlunoCadastroViewModel model)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    Aluno a = new Aluno();
                    a.Nome    = model.Nome;
                    a.IdTurma = model.IdTurma;
                    a.GerarNotas();
                    AlunoRepositorio rp = new AlunoRepositorio();
                    rp.Insert(a);

                    return(Request.CreateResponse(HttpStatusCode.OK, "Aluno cadastrado com sucesso."));
                }
                else
                {
                    return(Request.CreateResponse(HttpStatusCode.BadRequest, ValidationUtil.GetValidationErrors(ModelState)));
                }
            }
            catch (Exception e)
            {
                return(Request.CreateResponse(HttpStatusCode.InternalServerError, e.Message));
            }
        }
        public HttpResponseMessage Post(TurmaCadastroViewModel model)
        {
            try
            {
                if (ModelState.IsValid)
                {
                    Turma t = new Turma();
                    t.Nome = model.Nome;
                    TurmaRepositorio rp = new TurmaRepositorio();
                    rp.Insert(t);

                    return(Request.CreateResponse(HttpStatusCode.OK, "Turma cadastrada com sucesso."));
                }
                else
                {
                    return(Request.CreateResponse(HttpStatusCode.BadRequest, ValidationUtil.GetValidationErrors(ModelState)));
                }
            }
            catch (Exception e)
            {
                return(Request.CreateResponse(HttpStatusCode.InternalServerError, e.Message));
            }
        }