// GET: Songs/Edit/5
public async Task <ActionResult> Edit(int?id)
{
if (!Session.UserHasRole("Admin"))
{
return(new HttpStatusCodeResult(HttpStatusCode.NotFound));
}
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
Song song = await db.Songs.FindAsync(id);
if (song == null)
{
return(HttpNotFound());
}
var editVM = new EditSongVM
{
Id = song.Id,
Name = song.Name,
Genres = (await db.Genres.ToListAsync()).Select(genre =>
new SelectedGenre()
{
Id = genre.Id,
IsSelected = song.Genres.FirstOrDefault(g => g.Id == genre.Id) != null,
Name = genre.Name
})
};
return(View(editVM));
}
public async Task <ActionResult> Edit([Bind(Include = "Id,Name,File,Genres")] EditSongVM songVM)
{
if (!Session.UserHasRole("Admin"))
{
return(new HttpStatusCodeResult(HttpStatusCode.NotFound));
}
if (ModelState.IsValid)
{
Song song = await db.Songs.FindAsync(songVM.Id);
song.Name = songVM.Name;
song.Genres.Clear();
await Task.Run(() =>
{
songVM
.Genres
.Where(genre => genre.IsSelected)
.Select(async genre => await db.Genres.FindAsync(genre.Id))
.Select(t => t.Result)
.ToList()
.ForEach(genre => song.Genres.Add(genre));
});
if (songVM.File != null)
{
string songFilePath = Server.MapPath(song.GetVirtualFilePath());
using (FileStream songFileStream = new FileStream(songFilePath, FileMode.Truncate, FileAccess.Write, FileShare.None, 4096, true))
{
await songVM.File.InputStream.CopyToAsync(songFileStream);
}
}
await db.SaveChangesAsync();
return(RedirectToAction("All"));
}
ModelState.AddModelError(String.Empty, "Bad request");
return(View(songVM));
}
