public DataAsyncResult EnqueueRequest(Func<object> operation, TaskParam parameters)
{
DataAsyncResult result = new DataAsyncResult(null, false);
var newRequest = new Task()
{
Operation = operation,
AsyncResult = result,
Parameters = parameters
};
lock (this.taskSyncRoot)
{
this.tasks.Enqueue(newRequest);
}
return result;
}
private DataAsyncResult Initialize(TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
var entities = base.GlobalDataService.SelectAll();
this.Videos = entities.Videos;
this.Songs = entities.Songs;
this.Albums = entities.Albums;
this.Artists = entities.Artists;
this.Playlists = entities.Playlists;
this.PlaylistsAudioMedia = entities.PlaylistsAudioMedia;
this.Bind(this.Artists, this.Albums, this.Songs, this.Playlists, this.PlaylistsAudioMedia);
this.CheckFilesystemIds(this.Songs, this.Videos);
this.DisableProtectModeInternal();
return null;
});
}
public DataAsyncResult UpdatePlaylist(Playlist entity, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
base.PlaylistDataService.Update(entity);
return null;
});
}
public DataAsyncResult UpdateVideoMedia(VideoMedia entity, string title, bool isProtected, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
entity.Title = title;
entity.IsProtected = isProtected;
base.VideoMediaDataService.Update(entity);
return null;
});
}
public DataAsyncResult UpdateAlbum(Album entity, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
base.AlbumDataService.Update(entity);
return null;
});
}
public DataAsyncResult UpdateAudioMedia(AudioMedia entity, string title, string album, string artist, bool isProtected, List<int> playlistsToAdd, List<int> playlistsToRemove, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
// find or create artist entity
var artistEntity = this.Artists.FirstOrDefault(x => x.Name.Trim().ToUpper() == artist.Trim().ToUpper());
if (artistEntity == null)
{
artistEntity = new Artist() { Name = artist };
base.ArtistDataService.Insert(artistEntity);
this.Artists.Add(artistEntity);
}
// find or create album entity
var albumEntity = artistEntity.Albums.FirstOrDefault(x => x.Title.Trim().ToUpper() == album.Trim().ToUpper());
if (albumEntity == null)
{
albumEntity = new Album() { ArtistId = artistEntity.Id, Title = album };
base.AlbumDataService.Insert(albumEntity);
artistEntity.Albums.Add(albumEntity);
this.Albums.Add(albumEntity);
albumEntity.Artist = artistEntity;
}
// update audiomedia entity
int previousAlbumId = entity.Album.Id;
entity.Title = title;
entity.IsProtected = isProtected;
entity.AlbumId = albumEntity.Id;
entity.Album = albumEntity;
base.AudioMediaDataService.Update(entity);
// reflect changes into database and the cache
if (previousAlbumId != albumEntity.Id)
{
albumEntity.Songs.Add(entity);
var previousAlbum = this.Albums.FirstOrDefault(x => x.Id == previousAlbumId);
previousAlbum.Songs.Remove(entity);
if (previousAlbum.Songs.Count == 0)
{
var previousArtist = previousAlbum.Artist;
base.AlbumDataService.Delete(new Album() { Id = previousAlbum.Id });
previousArtist.Albums.Remove(previousAlbum);
this.Albums.Remove(previousAlbum);
if (previousArtist.Albums.Count == 0)
{
base.ArtistDataService.Delete(new Artist() { Id = previousArtist.Id });
this.Artists.Remove(previousArtist);
}
}
}
foreach (var item in playlistsToAdd)
{
var playlist = this.Playlists.First(x => x.Id == item);
this.AddAudioMediaToPlaylist(entity, playlist);
}
foreach (var item in playlistsToRemove)
{
var playlist = this.Playlists.First(x => x.Id == item);
this.RemoveAudioMediaFromPlaylist(entity, playlist);
}
return null;
});
}
public DataAsyncResult ImportOldMedias(TaskParam taskParam)
{
Action<string, string, bool, string> import = (directory, type, protect, destination) =>
{
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (store.DirectoryExists(directory))
{
var files = store.GetFileNames(directory + "\\*");
foreach (var file in files)
{
string title = Path.GetFileNameWithoutExtension(file);
string extension = Path.GetExtension(file);
string filesystemId = Guid.NewGuid().ToString() + extension;
if (type == "audio")
{
this.AddAudioMediaInternal(title, "", "", filesystemId, protect);
}
else
{
this.AddVideoMediaInternal(title, filesystemId, protect);
}
store.MoveFile(Path.Combine(directory, file), Path.Combine(destination, filesystemId));
}
}
}
};
using (IsolatedStorageFile store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!store.DirectoryExists("medias"))
{
store.CreateDirectory("medias");
}
}
return this.EnqueueRequest(taskParam, () =>
{
Thread.Sleep(10000);
import("/mediaMusic", "audio", false, "medias");
import("/mediaMusic/protected", "audio", true, "medias");
import("/mediaVideo", "video", false, "medias");
import("/mediaVideo/protected", "video", true, "medias");
this.DisableProtectModeInternal();
return null;
});
}
public DataAsyncResult SendToVideoLibrary(AudioMedia entity, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
var title = entity.Title;
var fileSystemId = entity.FilesystemId;
var isProtected = entity.IsProtected;
this.DeleteAudioMediaInternal(entity);
this.AddVideoMediaInternal(title, fileSystemId, isProtected);
return null;
});
}
public DataAsyncResult DisableProtectMode(TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
this.DisableProtectModeInternal();
return null;
});
}
public DataAsyncResult EnableProtectMode(TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
for (int i = 0; i < this.Artists.Count; i++)
{
var artist = this.Artists[i];
artist.Visible = true;
for (int j = 0; j < artist.Albums.Count; j++)
{
var album = artist.Albums[j];
album.Visible = true;
for (int k = 0; k < album.Songs.Count; k++)
{
album.Songs[k].Visible = true;
}
}
}
for (int i = 0; i < this.Videos.Count; i++)
{
this.Videos[i].Visible = true;
}
for (int i = 0; i < this.Playlists.Count; i++)
{
this.Playlists[i].Visible = true;
}
return null;
});
}
public DataAsyncResult DeleteVideoMedia(VideoMedia entity, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
DeleteVideoMediaInternal(entity);
return null;
});
}
public DataAsyncResult DeleteAllProtectedMedia(TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
var songsToDelete = this.Songs.Where(x => x.IsProtected).ToList();
foreach (var song in songsToDelete)
{
this.DeleteAudioMediaInternal(song);
}
var videosToDelete = this.Videos.Where(x => x.IsProtected).ToList();
foreach (var video in videosToDelete)
{
this.DeleteVideoMediaInternal(video);
}
return null;
});
}
public DataAsyncResult AddVideoMedia(string title, string filesystemId, bool isProtected, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
this.AddVideoMediaInternal(title, filesystemId, isProtected);
return null;
});
}
public DataAsyncResult AddPlaylist(string title, TaskParam taskParam)
{
return this.EnqueueRequest(taskParam, () =>
{
var entity = new Playlist()
{
Title = title,
Visible = true
};
base.PlaylistDataService.Insert(entity);
this.Playlists.Add(entity);
return null;
});
}
public DataAsyncResult EnqueueRequest(TaskParam parameters, Func<object> operation)
{
return scheduler.EnqueueRequest(operation, parameters);
}