public ActionResult CompartilharPost(int id)
        {
            try
            {
                Usuario sessao = (Usuario)Session["object"];

                Post post = PostsRepository.SelectPost(id);
                post.IdUsuario    = sessao.Id;
                post.IdPostOrigem = id;
                PostsRepository.CompartilharPost(post);

                Session["object"] = UsuariosRepository.SelectUsuario(sessao.Id);
                TempData["alert"] = "Post Compartilhado";
                return(RedirectToAction("Welcome", "Usuario"));
            }
            catch
            {
                return(View("Error"));
            }
        }