public ActionResult Add()
{
AddTrackViewModel addTrackViewModel = new AddTrackViewModel();
addTrackViewModel.File = new UploadFilePartialViewModel();
PrepareViewDataForAddAction(addTrackViewModel);
return View(addTrackViewModel);
}
public ActionResult Add([Bind(Prefix = "Track")]Track track, UploadFilePartialViewModel file)
{
AddTrackViewModel addTrackViewModel = new AddTrackViewModel();
addTrackViewModel.File = file;
addTrackViewModel.Track = track;
//We know that since this track is being added, it CANT have any persisted data!
addTrackViewModel.HasPersistedTrackData = false;
return ManageTrack(addTrackViewModel);
}
public ActionResult Edit(Guid id)
{
AddTrackViewModel addTrackViewModel = new AddTrackViewModel();
addTrackViewModel.Track = TrackManager.GetByID(id);
addTrackViewModel.File = new UploadFilePartialViewModel();
//We know that since, in order to edit a track, it must be persisted we can say..
addTrackViewModel.HasPersistedTrackData = true;
PrepareViewDataForEditAction(addTrackViewModel);
return View(addTrackViewModel);
}
public ActionResult Edit(Guid id, FormCollection formCollection)
{
AddTrackViewModel addTrackViewModel = new AddTrackViewModel();
Track track = TrackManager.GetByID(id);
UpdateModel<Track>(track,"Track");
addTrackViewModel.Track = track;
//This object represents a file the user has uploaded...
UploadFilePartialViewModel file = new UploadFilePartialViewModel();
UpdateModel<UploadFilePartialViewModel>(file);
addTrackViewModel.File = file;
return ManageTrack(addTrackViewModel);
}
/// <summary>
/// Attaches additional data to the model required for rendering the form
/// </summary>
/// <param name="addTrackViewModel"></param>
/// <returns></returns>
private AddTrackViewModel PrepareViewDataForEditAction(AddTrackViewModel addTrackViewModel)
{
Guid? artistId = null;
if (addTrackViewModel.Track.Artist!=null)
{
artistId = addTrackViewModel.Track.Artist.ID;
}
addTrackViewModel = PrepareOwnedArtists(addTrackViewModel, ((IListenToUser)this.HttpContext.User).UserId, artistId);
Guid? styleId = null;
if (addTrackViewModel.Track.Style != null)
{
styleId = addTrackViewModel.Track.Style.ID;
}
PrepareStyles(styleId);
return addTrackViewModel;
}
/// <summary>
/// Attaches additional data to the model required for rendering the form
/// </summary>
/// <param name="addTrackViewModel"></param>
/// <returns></returns>
private AddTrackViewModel PrepareViewDataForAddAction(AddTrackViewModel addTrackViewModel)
{
addTrackViewModel = PrepareOwnedArtists(addTrackViewModel, ((IListenToUser)this.HttpContext.User).UserId, null);
PrepareStyles(null);
return addTrackViewModel;
}
private ActionResult ManageTrack(AddTrackViewModel addTrackViewModel)
{
IListenToUser user = (IListenToUser)this.HttpContext.User;
UploadFilePartialViewModel file = addTrackViewModel.File;
Track track = addTrackViewModel.Track;
try
{
file = (UploadFilePartialViewModel)HandleTemporaryFile(file, new Mp3ValidationHelper());
if (file.Data!=null && file.Data.Count() > 0) { addTrackViewModel.HasValidTemporaryFile = true; }
}
catch (InvalidFileTypeException e)
{
LOG.Info("Attempt to upload invalid file for track");
addTrackViewModel.HasValidTemporaryFile = false;
}
//Pass the data anyway so that we can give the manager the oportunity to validate too.
track.Data = file.Data;
try
{
TrackManager.Save(track, user.UserCredentials);
}
catch (ValidationException e)
{
e.AddToModelState(ViewData.ModelState, "Track");
}
if (!ViewData.ModelState.IsValid)
{
//If a file hasnt been uploaded, we still need a File object...
//This is required for the FileUploader partialView
if (addTrackViewModel.File == null || addTrackViewModel.HasValidTemporaryFile==false)
{
addTrackViewModel.File = new UploadFilePartialViewModel();
}
PrepareViewDataForEditAction(addTrackViewModel);
return View(addTrackViewModel);
}
return RedirectToTrack(addTrackViewModel.Track);
}
protected AddTrackViewModel PrepareOwnedArtists(AddTrackViewModel addTrackViewModel, Guid ownerId, Guid? selectedArtist)
{
IList<Artist> artists = ArtistManager.GetArtistsByOwner(100,0,ownerId);
bool userHasArtists = artists.Count > 0;
addTrackViewModel.OwnedArtists = SelectListHelper.CreateSelectList<ListenTo.Shared.DO.Artist>(artists, selectedArtist);
addTrackViewModel.UserHasArtists = userHasArtists;
return addTrackViewModel;
}
