public IActionResult Index([FromForm] NewsletterEmail newsletter)
{
if (ModelState.IsValid)
{
if (!_newsletterRepository.existNewsletter(newsletter.Email))
{
_newsletterRepository.AddNewsletter(newsletter);
TempData["MSG_S"] = "E-mail cadastrado!";
}
else
{
TempData["MSG_E"] = "E-mail já existe!";
}
return(RedirectToAction(nameof(Index)));
}
else
{
return(View());
}
}