public IActionResult CadastraPost([FromBody] Post post)
        {
            if (ModelState.IsValid)
            {
                dao.Adiciona(post);
                return(CreatedAtAction("BuscaPostId", new { id = post.Id }, post));
            }

            return(BadRequest(ModelState));
        }
        public IActionResult AdicionaPost(Post novo)
        {
            if (ModelState.IsValid)
            {
                string  usuarioJson = HttpContext.Session.GetString("usuario");
                Usuario logado      = JsonConvert.DeserializeObject <Usuario>(usuarioJson);

                dao.Adiciona(novo, logado);
                return(RedirectToAction("Index"));
            }
            else
            {
                Post post = new Post();
                return(View("Novo", post));
            }
        }