internal static async Task InitializeAsync()
{
_isIndexing.OnNext(false);
Observable.Using(
() => Db.Instance,
db => Observable.Merge(new IObservable <object>[]
{
db.Set <Folder>().ToList()
.ToObservable()
.ObservableOnThreadPool()
.Select(x => FolderViewModel.Create(x))
.Do(_musicFolders.AddOrUpdate),
db.Set <Artist>().ToList()
.ToObservable()
.ObservableOnThreadPool()
.Select(x => ArtistViewModel.Create(x))
.Do(_artistSource.AddOrUpdate)
}).IgnoreElements())
.Subscribe();
AlbumSource = ArtistSource.Connect()
.ObservableOnThreadPool()
.MergeMany(x => x.Albums.Connect())
.AsObservableCache();
TrackSource = AlbumSource.Connect()
.ObservableOnThreadPool()
.MergeMany(x => x.Tracks.Connect())
.AsObservableCache();
Observable.Merge(new[]
{
newMusicFolderObservable.Select(_ => "Added new folder"),
FolderWatcherManager.ContentChanged.Select(_ => "FolderWatcherManager.ContentChanged"),
Setting.Collection.AutoRefresh.Where(x => x == true).Select(_ => Unit.Default).Select(_ => "Setting.SettingChanged[Setting.Collection.AutoRefresh]"),
})
.ObservableOnThreadPool()
.Throttle(TimeSpan.FromSeconds(5))
.SkipUntil(collectionAutoRefresh.Where(x => x == true))
.TakeUntil(collectionAutoRefresh.Where(x => x == false))
.Repeat()
.Subscribe(async _ =>
{
var o = new IndexService();
await o.BeginIndexAsync();
});
await FolderWatcherManager.InitializeAsync();
}
private async Task RequestAddFolderAsyncInner(StorageFolder folder)
{
// If this new folder is a subfolder, it shouldn't be added to db.
var isSubFolder = await _musicFolders.Items.AnyAsync(x => folder.Path.StartsWith(x.Path));
if (isSubFolder)
{
await DialogService.NotificateAsync("Cannot add subfolder.");
return;
}
// If this new folder is a parent folder, it shouldn't be added to db.
var isParentFolder = await _musicFolders.Items.AnyAsync(x => x.Path.StartsWith(folder.Path));
if (isParentFolder)
{
await DialogService.NotificateAsync("Cannot add parent folder.");
return;
}
var props = await folder.GetBasicPropertiesAsync();
var f = new Folder()
{
DateModified = props.DateModified,
Path = folder.Path,
NeedIndex = true,
Token = StorageApplicationPermissions.FutureAccessList.Add(folder)
};
await db.AddAsync(f);
await db.SaveChangesAsync();
_musicFolders.AddOrUpdate(FolderViewModel.Create(f));
//Setting.AddOrUpdate(Setting.Collection.Indexing, true);
}
/// <summary>
/// Get folder and it's childs.
/// </summary>
/// <param name="fullPath"></param>
/// <returns></returns>
public ActionResult ShowFolders(string fullPath)
{
return(View(FolderViewModel.Create(_context, fullPath)));
}
