public ActionResult Altera(Post post)
{
if (!ModelState.IsValid)
{
HttpContext.Response.StatusCode = 400;
return(View("Detalhe", post));
}
if (post.Publicado && (post.DataPublicacao == null))
{
post.DataPublicacao = DateTime.Now;
}
else if (!post.Publicado && (post.DataPublicacao != null))
{
post.DataPublicacao = null;
}
_dao.Alterar(post);
return(RedirectToAction("Index"));
}