// GET: Playlistas/Edit/5
public ActionResult Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
var pListViewModels = new PListViewModels
{
Playlist = db.Playlistas.Include(s => s.Songs).FirstOrDefault(s => s.id == id), // pla
};
if (pListViewModels.Playlist == null)
{
return(HttpNotFound());
}
var allPlaylistasList = db.Songs.ToList();
pListViewModels.AllSongs = allPlaylistasList.Select(x => new SelectListItem
{
Text = x.Tittle + " " + x.Author + " ",
Value = x.id.ToString()
});
return(View(pListViewModels));
}
public ActionResult Edit(PListViewModels pListViewModels)
{
if (pListViewModels == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
if (ModelState.IsValid)
{
var update = db.Playlistas.Include(i => i.Songs).First(i => i.id == pListViewModels.Playlist.id);
if (TryUpdateModel(update, "Playlist", new string[] { "id_User", "Playlist" }))
{
var song = db.Playlistas.Where(m => pListViewModels.SelectedSongs.Contains(m.id)).ToList();
var upSong = new HashSet <int>(pListViewModels.SelectedSongs);
foreach (Song songE in db.Songs)
{
if (!upSong.Contains(songE.id))
{
update.Songs.Remove(songE);
}
else
{
update.Songs.Add(songE);
}
}
db.Entry(update).State = EntityState.Modified;
db.SaveChanges();
}
return(RedirectToAction("Index"));
}
return(View(pListViewModels));
}
