public async Task <Playlist> FetchProviderPlaylistAsync(PlaylistProvider provider)
{
Playlist playlist = await GetPlaylistAsync(provider);
if (Playlist.IsNullOrEmpty(playlist))
{
logger.Debug(
MyOperation.PlaylistFetching,
OperationStatus.Failure,
new LogInfo(MyLogInfoKey.Provider, provider.Name));
return(null);
}
if (!string.IsNullOrWhiteSpace(provider.ChannelNameOverride))
{
foreach (Channel channel in playlist.Channels)
{
channel.Name = provider.ChannelNameOverride;
}
}
logger.Debug(
MyOperation.PlaylistFetching,
OperationStatus.Success,
new LogInfo(MyLogInfoKey.Provider, provider.Name));
return(playlist);
}
public async Task <IActionResult> GetFile(string publicId, [FromQuery] string provider = "m3u", CancellationToken cancellationToken = default)
{
var idGuid = GetInternalPlaylistId(publicId);
var playlist = await _dbContext.Playlist.FirstOrDefaultAsync(x => x.UniqueId == idGuid, cancellationToken);
if (playlist == null)
{
return(NotFound(publicId));
}
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> sourceProvider = null;
try
{
sourceProvider = _providerFactory.CreateInstance(playlist.SynkConfig.Uri, provider);
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
using (sourceProvider)
using (var pl = new Playlist <TvgMedia>(sourceProvider))
using (var sourcePl = new Playlist <TvgMedia>(playlist.TvgMedias.Where(x => x.Enabled && !x.MediaGroup.Disabled)))
{
return(await pl.PushAsync(sourcePl, cancellationToken).ContinueWith(t =>
{
return File(sourceProvider.PlaylistStream.ToArray(), "text/plain");
}));
}
}
public async Task <IActionResult> Import(string playlistName, string playlistUrl, string provider, IFormFile file, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(playlistName))
{
throw new ArgumentNullException(nameof(provider));
}
if (string.IsNullOrEmpty(playlistName))
{
playlistName = file.FileName.Replace(Path.GetExtension(file.FileName), string.Empty); //TODO : catch all ArgumentException et les passer en BadRequest
}
//Vérifier si la playlist existe bien avant
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> providerInstance = null;
try
{
providerInstance = _providerFactory.CreateInstance(playlistUrl, provider);
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
var playlistStream = file.OpenReadStream();
if (string.IsNullOrEmpty(playlistUrl))
{
//TODO : Save file and get Url
throw new ApplicationException("Import playlist from file not supported yet !!");
}
using (providerInstance)
{
var user = await _dbContext.Users.FindAsync(new object[] { UserId }, cancellationToken);
if (user == null)
{
return(BadRequest($"User {this.UserEmail} not found"));
}
var pl = await _playlistService.SynkPlaylistAsync(() => new Playlist
{
UserId = user.Id,
Freindlyname = playlistName,
Status = PlaylistStatus.Enabled,
SynkConfig = null,
Tags = new Dictionary <string, string> {
{ PlaylistTags.ImportProvider, provider }
}
}, providerInstance, _xtreamService.IsXtreamPlaylist(playlistUrl), true, cancellationToken);
ClearCache();
var result = PlaylistModel.ToLightModel(pl, Url);
return(Created(result.PublicUrl, result));
}
}
public async Task ExecuteAsync(CancellationToken cancellationToken)
{
IQueryable <Playlist> playlists = _dbContext.Playlist
.Include(x => x.User)
//.ThenInclude(u => u.Devices)
.Where(x => x.Status == PlaylistStatus.Enabled);
playlists.AsParallel().WithCancellation(cancellationToken).ForAll(async pl =>
{
try
{
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> provider = null;
try
{
provider = _providerFactory.CreateInstance(pl.SynkConfig.Uri, pl.SynkConfig.Provider);
}
catch (Exception)
{
throw new ApplicationException("Can't resolve playlist provider");
}
(IEnumerable <TvgMedia> tvgMedia, IEnumerable <TvgMedia> removed) =
await _playlistService.DiffWithSourceAsync(() => pl, provider, false, cancellationToken);
if (removed.Any() || tvgMedia.Any())
{
_logger.LogInformation($"Diff detected for the playlist {pl.Id} of user {pl.UserId}");
//publish message to Rabbit
await _bus.Publish(new DiffPlaylistEvent
{
Id = pl.Id,
PlaylistName = pl.Freindlyname,
UserId = pl.User.Email,
RemovedMediasCount = removed.Count(),
RemovedMedias = removed.Take(10),
NewMediasCount = tvgMedia.Count(),
NewMedias = tvgMedia.Take(10)
}, cancellationToken);
}
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
await _bus.Publish(new TraceEvent
{
Message = $"playlistId : {pl.Id}, Exception :{ex.Message}",
UserId = pl.User.Email,
Level = TraceEvent.LevelTrace.Error,
Source = nameof(DiffHostedService)
}, cancellationToken);
}
}
);
}
async Task <Playlist> GetPlaylistAsync(PlaylistProvider provider)
{
Playlist playlist = await GetPlaylistForTodayAsync(provider);
if (Playlist.IsNullOrEmpty(playlist))
{
playlist = GetPlaylistForPastDays(provider);
}
return(playlist);
}
public async Task <Playlist> FetchProviderPlaylistAsync(PlaylistProvider provider)
{
Playlist playlist = null;
for (int i = 0; i < applicationSettings.DaysToCheck; i++)
{
DateTime date = DateTime.Now.AddDays(-i);
playlist = LoadPlaylistFromCache(provider, date);
if (playlist is null)
{
string playlistFile = await DownloadPlaylistFileAsync(provider, date);
playlist = playlistFileBuilder.TryParseFile(playlistFile);
if (!Playlist.IsNullOrEmpty(playlist) && !provider.DontCache)
{
cache.StorePlaylistFile(provider.Id, date, playlistFile);
}
}
if (!(playlist is null))
{
break;
}
}
if (Playlist.IsNullOrEmpty(playlist))
{
logger.Debug(
MyOperation.PlaylistFetching,
OperationStatus.Failure,
new LogInfo(MyLogInfoKey.Provider, provider.Name));
return(null);
}
if (!string.IsNullOrWhiteSpace(provider.ChannelNameOverride))
{
foreach (Channel channel in playlist.Channels)
{
channel.Name = provider.ChannelNameOverride;
}
}
logger.Debug(
MyOperation.PlaylistFetching,
OperationStatus.Success,
new LogInfo(MyLogInfoKey.Provider, provider.Name));
return(playlist);
}
internal static PlaylistProvider ToServiceModel(this PlaylistProviderEntity dataObject)
{
PlaylistProvider serviceModel = new PlaylistProvider();
serviceModel.Id = dataObject.Id;
serviceModel.IsEnabled = dataObject.IsEnabled;
serviceModel.Priority = dataObject.Priority;
serviceModel.DontCache = dataObject.DontCache;
serviceModel.Name = dataObject.Name;
serviceModel.UrlFormat = dataObject.UrlFormat;
serviceModel.ChannelNameOverride = dataObject.ChannelNameOverride;
return(serviceModel);
}
internal static PlaylistProviderEntity ToDataObject(this PlaylistProvider serviceModel)
{
PlaylistProviderEntity dataObject = new PlaylistProviderEntity();
dataObject.Id = serviceModel.Id;
dataObject.IsEnabled = serviceModel.IsEnabled;
dataObject.Priority = serviceModel.Priority;
dataObject.DontCache = serviceModel.DontCache;
dataObject.Name = serviceModel.Name;
dataObject.UrlFormat = serviceModel.UrlFormat;
dataObject.ChannelNameOverride = serviceModel.ChannelNameOverride;
return(dataObject);
}
/// <summary>
/// Synk playlist and match epg, logos and groups
/// </summary>
/// <param name="playlist">Playlist</param>
/// <param name="resetAndSynch">Reset and synchronize playlist from scrach</param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <Playlist> SynkPlaylistAsync(Playlist playlist, bool resetAndSynch = false,
CancellationToken cancellationToken = default)
{
if (playlist == null)
{
throw new ArgumentNullException($"Playlist not found");
}
if (!playlist.IsSynchronizable || playlist.SynkConfig.AutoSynchronize)
{
throw new ApplicationException($"Playlist isn't synchronizable or not auto synchrizable is disabled");
}
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> provider = null;
try
{
provider = _providerFactory.CreateInstance(playlist.SynkConfig.Uri, playlist.SynkConfig.Provider);
}
catch (Exception)
{
throw new ApplicationException("Can't resolve playlist provider");
}
if (resetAndSynch)
{
return(await SynkPlaylistAsync(() => _dbcontext.Playlist.Find(playlist.Id), provider, false, resetAndSynch, cancellationToken));
}
var(tvgMedia, removed) = await DiffWithSourceAsync(() => playlist, provider, true, cancellationToken);
var changed = false;
if (removed != null && removed.Any())
{
playlist.TvgMedias.RemoveAll(x => removed.Any(r => r.Id == x.Id));
changed = true;
}
if (tvgMedia != null && tvgMedia.Any())
{
playlist.TvgMedias.AddRange(tvgMedia);
changed = true;
}
if (changed)
{
playlist.TvgMedias = playlist.TvgMedias;
var resRq = await _dbcontext.SaveChangesAsync(cancellationToken);
}
return(playlist);
}
/// <summary>
/// Synk playlist and match epg, logos and groups
/// </summary>
/// <param name="getPlaylist"></param>
/// <param name="provider"></param>
/// <param name="isXtreamPlaylist"></param>
/// <param name="force"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <Playlist> SynkPlaylistAsync(Func <Playlist> getPlaylist, PlaylistProvider <Playlist <TvgMedia>, TvgMedia> provider = default, bool isXtreamPlaylist = false, bool force = false,
CancellationToken cancellationToken = default)
{
var playlistEntity = getPlaylist();
if (playlistEntity == null)
{
throw new ArgumentNullException($"Playlist not found");
}
if (!playlistEntity.IsSynchronizable)
{
throw new ApplicationException($"Playlist isn't synchronizable");
}
try
{
provider = _providerFactory.CreateInstance(playlistEntity.SynkConfig.Uri, playlistEntity.SynkConfig.Provider);
}
catch (Exception)
{
throw new ApplicationException("Can't resolve playlist provider");
}
using (var playlist = new Playlist <TvgMedia>(provider))
{
var sourceList = await playlist.PullAsync(cancellationToken);
//Faire passer les handlers
sourceList = ExecuteHandlersAsync(sourceList, cancellationToken);
if (sourceList.Any())
{
playlistEntity.TvgMedias = sourceList.Where(x => x.IsValid).ToList();
}
UpdateIsXtreamTag(isXtreamPlaylist, playlistEntity);
}
if (playlistEntity.CreatedDate == default)
{
await _dbcontext.Playlist.AddAsync(playlistEntity, cancellationToken);
}
playlistEntity.TvgMedias = playlistEntity.TvgMedias;
var res = await _dbcontext.SaveChangesAsync(cancellationToken);
return(playlistEntity);
}
public async Task <IActionResult> DiffAsync([FromBody] PlaylistPostModel playlistPostModel, CancellationToken cancellationToken = default)
{
//TODO: Déduire le provider from playlist (isXtream => xtreamProvider, m3u ou tvlist)
// Load dynmaiquement all providers (singleton)
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> providerInstance = null;
try
{
providerInstance = _providerFactory.CreateInstance(playlistPostModel.Url, playlistPostModel.Provider);
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
try
{
var user = await _dbContext.Users.FindAsync(new object[] { UserId }, cancellationToken);
if (user == null)
{
return(BadRequest($"User {this.UserEmail} not found"));
}
var playlist = await _dbContext.Playlist
.FirstOrDefaultAsync(x => x.SynkConfig.Url == playlistPostModel.Url, cancellationToken) ?? new Playlist
{
UserId = user.Id,
Freindlyname = playlistPostModel.Freindlyname,
Status = playlistPostModel.Status,
SynkConfig = new SynkConfig {
Url = playlistPostModel.Url, Provider = playlistPostModel.Provider
}
};
using (providerInstance)
{
var pl = await _playlistService
.DiffWithSourceAsync(() => playlist, providerInstance, cancellationToken : cancellationToken);
return(Ok(pl));
}
}
catch (HttpRequestException)
{
throw new BusinessException($"Playlist url {playlistPostModel.Url} not reachable");
}
}
Playlist LoadPlaylistFromCache(PlaylistProvider provider, DateTime date)
{
if (provider.DontCache)
{
return(null);
}
string content = cache.GetPlaylistFile(provider.Id, date);
if (string.IsNullOrWhiteSpace(content))
{
return(null);
}
return(playlistFileBuilder.TryParseFile(content));
}
public async Task <IActionResult> ImportFromUrl([FromBody] PlaylistPostModel playlistPostModel, CancellationToken cancellationToken)
{
//Vérifier si la playlist existe-elle avant
var stopwatch = Stopwatch.StartNew();
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> providerInstance = null;
try
{
providerInstance = _providerFactory.CreateInstance(playlistPostModel.Url, playlistPostModel.Provider);
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
using (providerInstance)
{
var user = await _dbContext.Users.FindAsync(new object[] { UserId }, cancellationToken);
if (user == null)
{
return(BadRequest($"User {this.UserEmail} not found"));
}
var pl = await _playlistService.SynkPlaylistAsync(() => new Playlist
{
UserId = user.Id,
Freindlyname = playlistPostModel.Freindlyname,
Status = PlaylistStatus.Enabled,
SynkConfig = new SynkConfig {
Url = playlistPostModel.Url
},
Tags = new Dictionary <string, string> {
{ PlaylistTags.ImportProvider, playlistPostModel.Provider }
}
}, providerInstance, _xtreamService.IsXtreamPlaylist(playlistPostModel.Url), cancellationToken : cancellationToken);
ClearCache();
stopwatch.Stop();
_logger.LogInformation($"Elapsed time : {stopwatch.Elapsed.ToString("c")}");
var model = PlaylistModel.ToLightModel(pl, Url);
return(Created(model.PublicUrl, model));
}
}
async Task <Playlist> GetPlaylistForTodayAsync(PlaylistProvider provider)
{
string playlistFile = await DownloadPlaylistFileAsync(provider, DateTime.UtcNow);
Playlist playlist = LoadPlaylistFromCache(provider, DateTime.UtcNow);
if (playlist is null)
{
playlist = playlistFileBuilder.TryParseFile(playlistFile);
}
if (!Playlist.IsNullOrEmpty(playlist) && !provider.DontCache)
{
cache.StorePlaylistFile(provider.Id, DateTime.UtcNow, playlistFile);
}
return(playlist);
}
public MusicDataManager()
{
_databaseFile =
new FileInfo(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"Hurricane", "database.sqlite"));
Images = new ImagesProvider();
Artists = new ArtistProvider(Images);
Albums = new AlbumsProvider(Artists);
Tracks = new TrackProvider(Artists, Images, Albums);
Playlists = new PlaylistProvider(Tracks);
UserData = new UserDataProvider();
LastfmApi = new LastfmApi(Artists);
MusicManager = new MusicManager();
MusicManager.TrackChanged += MusicManager_TrackChanged;
MusicManager.NewTrackOpened += MusicManager_NewTrackOpened;
MusicStreamingPluginManager = new MusicStreamingPluginManager();
}
public ViewManager(PlaylistProvider playlistProvider)
{
ViewItems = new ObservableCollection <ISideListItem>
{
new HomeView(),
new CollectionView(),
new ChartsView(),
new QueueView(),
new HistoryView()
};
playlistProvider.PlaylistAdded += PlaylistProvider_PlaylistAdded;
playlistProvider.PlaylistRemoved += PlaylistProvider_PlaylistRemoved;
foreach (var userPlaylist in playlistProvider.Playlists)
{
ViewItems.Add(new PlaylistView(userPlaylist));
}
ViewSource = CollectionViewSource.GetDefaultView(ViewItems);
ViewSource.GroupDescriptions.Add(new PropertyGroupDescription("ViewCategorie"));
}
Playlist GetPlaylistForPastDays(PlaylistProvider provider)
{
if (!provider.UrlFormat.Contains("{0"))
{
return(null);
}
Playlist playlist = null;
for (int i = 1; i < applicationSettings.DaysToCheck; i++)
{
DateTime date = DateTime.UtcNow.AddDays(-i);
playlist = LoadPlaylistFromCache(provider, date);
if (!(playlist is null))
{
break;
}
}
return(playlist);
}
/// <summary>
/// Genére un rapport avec les new medias et
/// les médias qui n'existes plus
/// </summary>
/// <param name="id"></param>
/// <param name="force"></param>
/// <param name="token"></param>
/// <returns></returns>
public async Task <(IEnumerable <TvgMedia> tvgMedia, IEnumerable <TvgMedia> removed)> DiffWithSourceAsync(Func <Playlist> getPlaylist,
PlaylistProvider <Playlist <TvgMedia>, TvgMedia> provider, bool force = false,
CancellationToken cancellationToken = default)
{
var pl = getPlaylist();
if (pl == null)
{
throw new ArgumentNullException($"Playlist not found");
}
if (!pl.IsSynchronizable)
{
throw new ApplicationException($"Playlist isn't synchronizable");
}
using (var playlist = new Playlist <TvgMedia>(provider))
{
var sourceList = await playlist.PullAsync(cancellationToken);
if (sourceList == null)
{
return(new List <TvgMedia>(), pl.TvgMedias ?? new List <TvgMedia>());
}
if (pl.TvgMedias == null || !pl.TvgMedias.Any())
{
return(sourceList, null);
}
return(sourceList.Where(s => pl.TvgMedias.All(t => t.Url != s.Url)).ToList(), pl.TvgMedias.Where(s => sourceList.All(t => t.Url != s.Url)).ToList());
}
}
async Task <string> DownloadPlaylistFileAsync(PlaylistProvider provider, DateTime date)
{
string url = string.Format(provider.UrlFormat, date);
return(await fileDownloader.TryDownloadStringAsync(url));
}