public async Task <IActionResult> Authorize(AuthorizationModel model)
{
var user = await _usersService.Authorize(model.Username, model.Password);
if (user == null)
{
ModelState.AddModelError("", "Неверные имя пользователя или пароль");
return(View("Index"));
}
await _signInManager.SignInAsync(user, true);
return(RedirectToAction("Index", "Products"));
}