2019-01-13 15:03:10 -05:00
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using System;
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2019-01-13 14:26:31 -05:00
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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2018-09-12 13:26:21 -04:00
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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2019-01-13 14:26:31 -05:00
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using MediaBrowser.Controller.Playlists;
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2018-09-12 13:26:21 -04:00
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.IO;
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2018-12-13 08:18:25 -05:00
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using Microsoft.Extensions.Logging;
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2018-09-12 13:26:21 -04:00
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using PlaylistsNET.Content;
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namespace MediaBrowser.Providers.Playlists
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{
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public class PlaylistItemsProvider : ICustomMetadataProvider<Playlist>,
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IHasOrder,
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IForcedProvider,
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IPreRefreshProvider,
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IHasItemChangeMonitor
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{
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private ILogger _logger;
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private IFileSystem _fileSystem;
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public PlaylistItemsProvider(IFileSystem fileSystem, ILogger logger)
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{
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_fileSystem = fileSystem;
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_logger = logger;
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}
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public string Name
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{
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get { return "Playlist Reader"; }
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}
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public Task<ItemUpdateType> FetchAsync(Playlist item, MetadataRefreshOptions options, CancellationToken cancellationToken)
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{
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var path = item.Path;
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if (!Playlist.IsPlaylistFile(path))
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{
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return Task.FromResult(ItemUpdateType.None);
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}
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var extension = Path.GetExtension(path);
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if (!Playlist.SupportedExtensions.Contains(extension ?? string.Empty, StringComparer.OrdinalIgnoreCase))
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{
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return Task.FromResult(ItemUpdateType.None);
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}
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using (var stream = _fileSystem.OpenRead(path))
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{
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var items = GetItems(stream, extension).ToArray();
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item.LinkedChildren = items;
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}
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return Task.FromResult(ItemUpdateType.None);
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}
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private IEnumerable<LinkedChild> GetItems(Stream stream, string extension)
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{
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if (string.Equals(".wpl", extension, StringComparison.OrdinalIgnoreCase))
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{
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return GetWplItems(stream);
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}
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if (string.Equals(".zpl", extension, StringComparison.OrdinalIgnoreCase))
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{
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return GetZplItems(stream);
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}
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if (string.Equals(".m3u", extension, StringComparison.OrdinalIgnoreCase))
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{
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return GetM3uItems(stream);
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}
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if (string.Equals(".m3u8", extension, StringComparison.OrdinalIgnoreCase))
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{
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return GetM3u8Items(stream);
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}
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if (string.Equals(".pls", extension, StringComparison.OrdinalIgnoreCase))
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{
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return GetPlsItems(stream);
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}
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return new List<LinkedChild>();
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}
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private IEnumerable<LinkedChild> GetPlsItems(Stream stream)
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{
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var content = new PlsContent();
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var playlist = content.GetFromStream(stream);
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return playlist.PlaylistEntries.Select(i => new LinkedChild
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{
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Path = i.Path,
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Type = LinkedChildType.Manual
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});
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}
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private IEnumerable<LinkedChild> GetM3u8Items(Stream stream)
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{
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var content = new M3u8Content();
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var playlist = content.GetFromStream(stream);
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return playlist.PlaylistEntries.Select(i => new LinkedChild
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{
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Path = i.Path,
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Type = LinkedChildType.Manual
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});
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}
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private IEnumerable<LinkedChild> GetM3uItems(Stream stream)
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{
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var content = new M3uContent();
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var playlist = content.GetFromStream(stream);
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return playlist.PlaylistEntries.Select(i => new LinkedChild
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{
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Path = i.Path,
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Type = LinkedChildType.Manual
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});
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}
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private IEnumerable<LinkedChild> GetZplItems(Stream stream)
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{
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var content = new ZplContent();
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var playlist = content.GetFromStream(stream);
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return playlist.PlaylistEntries.Select(i => new LinkedChild
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{
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Path = i.Path,
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Type = LinkedChildType.Manual
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});
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}
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private IEnumerable<LinkedChild> GetWplItems(Stream stream)
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{
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WplContent content = new WplContent();
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var playlist = content.GetFromStream(stream);
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return playlist.PlaylistEntries.Select(i => new LinkedChild
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{
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Path = i.Path,
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Type = LinkedChildType.Manual
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});
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}
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public bool HasChanged(BaseItem item, IDirectoryService directoryService)
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{
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var path = item.Path;
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if (!string.IsNullOrWhiteSpace(path) && item.IsFileProtocol)
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{
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var file = directoryService.GetFile(path);
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if (file != null && file.LastWriteTimeUtc != item.DateModified)
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{
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2018-12-13 08:18:25 -05:00
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_logger.LogDebug("Refreshing {0} due to date modified timestamp change.", path);
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2018-09-12 13:26:21 -04:00
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return true;
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}
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}
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return false;
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}
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public int Order
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{
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get
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{
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// Run last
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return 100;
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}
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}
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}
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}
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