[HttpPost] // the other method will be for GET requests, this one will be for POST (the form data will come back as a POST)
public IActionResult Create(MovieViewModel viewModel)
{
if (!ModelState.IsValid)
{
// there was a server-side validation error - return the user a new
// form with what he put in.
return(View(viewModel));
}
// model binding:
// when action methods have parameters, the framework tries to fill them with data
// converting types and such, based on the property names matching the form field names.
// server-side validation
// in the action method where you receive form data (or any data, e.g. query string params)
// you need to validate that with logic here.
// ASP.NET helps us with this with DataAnnotations
// and ModelState object, with model binding
// client-side validation
// when possible, the form page itself, in front of the user, should stop him
// from entering bad data (like with HTML validation attributes, or JS)
// ASP.NET helps us with this with DataAnnotations
// and jQuery Unobtrusive library and HTML validation attrs
// (with the help of tag helpers)
var movie = new Movie
{
Title = viewModel.Title,
ReleaseYear = viewModel.ReleaseYear
};
try
{
_movieRepo.AddMovie(movie);
}
catch (ArgumentException ex)
{
//ModelState.AddModelError("Title", "title error");
// empty string for "key" means, it's overall model error
ModelState.AddModelError("", ex.Message);
return(View(viewModel));
}
// if we did "return View", the URL bar would still say "Create"
//return View("Index", _movieRepo.GetMovies.......)
return(RedirectToAction(nameof(Index))); // tell the browser to make a new GET request
// to the Index action.
}
public ActionResult Create([Bind("Title,Director,Description,Duration_Movie")] Movie movie)
{
if (ModelState.IsValid)
{
try
{
// TODO: Add insert logic here
_movieRepo.AddMovie(movie);
return(RedirectToAction(nameof(Index)));
}
catch (Exception ex)
{
ModelState.AddModelError("", "Create is unable to save");
Console.WriteLine(ex);
return(View());
}
}
else
{
return(View());
}
}
public void AddMovie(Movie movie)
{
_repository.AddMovie(movie);
}
