547 lines
18 KiB
C#
547 lines
18 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Security;
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using MediaBrowser.Controller.Channels;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Localization;
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using MediaBrowser.Model.Channels;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Entities;
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using System;
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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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using CommonIO;
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using MediaBrowser.Common.IO;
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using MoreLinq;
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namespace MediaBrowser.Server.Implementations.Intros
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{
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public class DefaultIntroProvider : IIntroProvider
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{
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private readonly ISecurityManager _security;
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private readonly ILocalizationManager _localization;
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private readonly IConfigurationManager _serverConfig;
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private readonly ILibraryManager _libraryManager;
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private readonly IFileSystem _fileSystem;
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private readonly IMediaSourceManager _mediaSourceManager;
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public DefaultIntroProvider(ISecurityManager security, ILocalizationManager localization, IConfigurationManager serverConfig, ILibraryManager libraryManager, IFileSystem fileSystem, IMediaSourceManager mediaSourceManager)
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{
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_security = security;
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_localization = localization;
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_serverConfig = serverConfig;
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_libraryManager = libraryManager;
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_fileSystem = fileSystem;
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_mediaSourceManager = mediaSourceManager;
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}
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public async Task<IEnumerable<IntroInfo>> GetIntros(BaseItem item, User user)
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{
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var config = GetOptions();
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if (item is Movie)
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{
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if (!config.EnableIntrosForMovies)
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{
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return new List<IntroInfo>();
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}
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}
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else if (item is Episode)
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{
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if (!config.EnableIntrosForEpisodes)
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{
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return new List<IntroInfo>();
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}
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}
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else
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{
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return new List<IntroInfo>();
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}
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var ratingLevel = string.IsNullOrWhiteSpace(item.OfficialRating)
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? null
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: _localization.GetRatingLevel(item.OfficialRating);
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var random = new Random(Environment.TickCount + Guid.NewGuid().GetHashCode());
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var candidates = new List<ItemWithTrailer>();
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var itemPeople = _libraryManager.GetPeople(item);
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var allPeople = _libraryManager.GetPeople(new InternalPeopleQuery
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{
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AppearsInItemId = item.Id
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});
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var trailerTypes = new List<TrailerType>();
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if (config.EnableIntrosFromMoviesInLibrary)
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{
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trailerTypes.Add(TrailerType.LocalTrailer);
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}
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if (IsSupporter)
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{
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if (config.EnableIntrosFromUpcomingTrailers)
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{
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trailerTypes.Add(TrailerType.ComingSoonToTheaters);
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}
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if (config.EnableIntrosFromUpcomingDvdMovies)
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{
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trailerTypes.Add(TrailerType.ComingSoonToDvd);
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}
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if (config.EnableIntrosFromUpcomingStreamingMovies)
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{
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trailerTypes.Add(TrailerType.ComingSoonToStreaming);
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}
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if (config.EnableIntrosFromSimilarMovies)
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{
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trailerTypes.Add(TrailerType.Archive);
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}
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}
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if (trailerTypes.Count > 0)
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{
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var trailerResult = _libraryManager.GetItems(new InternalItemsQuery
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{
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IncludeItemTypes = new[] { typeof(Trailer).Name },
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TrailerTypes = trailerTypes.ToArray()
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});
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candidates.AddRange(trailerResult.Items.Select(i => new ItemWithTrailer
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{
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Item = i,
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Type = i.SourceType == SourceType.Channel ? ItemWithTrailerType.ChannelTrailer : ItemWithTrailerType.ItemWithTrailer,
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User = user,
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WatchingItem = item,
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WatchingItemPeople = itemPeople,
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AllPeople = allPeople,
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Random = random,
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LibraryManager = _libraryManager
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}));
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}
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return GetResult(item, candidates, config, ratingLevel);
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}
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private IEnumerable<IntroInfo> GetResult(BaseItem item, IEnumerable<ItemWithTrailer> candidates, CinemaModeConfiguration config, int? ratingLevel)
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{
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var customIntros = !string.IsNullOrWhiteSpace(config.CustomIntroPath) ?
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GetCustomIntros(config) :
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new List<IntroInfo>();
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var mediaInfoIntros = !string.IsNullOrWhiteSpace(config.MediaInfoIntroPath) ?
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GetMediaInfoIntros(config, item) :
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new List<IntroInfo>();
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var trailerLimit = config.TrailerLimit;
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// Avoid implicitly captured closure
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return candidates.Where(i =>
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{
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if (config.EnableIntrosParentalControl && !FilterByParentalRating(ratingLevel, i.Item))
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{
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return false;
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}
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if (!config.EnableIntrosForWatchedContent && i.IsPlayed)
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{
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return false;
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}
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return !IsDuplicate(item, i.Item);
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})
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.OrderByDescending(i => i.Score)
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.ThenBy(i => Guid.NewGuid())
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.ThenByDescending(i => (i.IsPlayed ? 0 : 1))
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.Select(i => i.IntroInfo)
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.Take(trailerLimit)
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.Concat(customIntros.Take(1))
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.Concat(mediaInfoIntros);
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}
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private bool IsDuplicate(BaseItem playingContent, BaseItem test)
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{
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var id = playingContent.GetProviderId(MetadataProviders.Imdb);
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if (!string.IsNullOrWhiteSpace(id) && string.Equals(id, test.GetProviderId(MetadataProviders.Imdb), StringComparison.OrdinalIgnoreCase))
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{
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return true;
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}
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id = playingContent.GetProviderId(MetadataProviders.Tmdb);
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if (!string.IsNullOrWhiteSpace(id) && string.Equals(id, test.GetProviderId(MetadataProviders.Tmdb), StringComparison.OrdinalIgnoreCase))
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{
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return true;
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}
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return false;
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}
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private CinemaModeConfiguration GetOptions()
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{
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return _serverConfig.GetConfiguration<CinemaModeConfiguration>("cinemamode");
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}
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private List<IntroInfo> GetCustomIntros(CinemaModeConfiguration options)
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{
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try
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{
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return GetCustomIntroFiles(options, true, false)
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.OrderBy(i => Guid.NewGuid())
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.Select(i => new IntroInfo
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{
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Path = i
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}).ToList();
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}
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catch (IOException)
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{
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return new List<IntroInfo>();
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}
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}
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private IEnumerable<IntroInfo> GetMediaInfoIntros(CinemaModeConfiguration options, BaseItem item)
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{
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try
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{
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var hasMediaSources = item as IHasMediaSources;
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if (hasMediaSources == null)
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{
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return new List<IntroInfo>();
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}
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var mediaSource = _mediaSourceManager.GetStaticMediaSources(hasMediaSources, false)
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.FirstOrDefault();
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if (mediaSource == null)
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{
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return new List<IntroInfo>();
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}
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var videoStream = mediaSource.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Video);
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var audioStream = mediaSource.MediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
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var allIntros = GetCustomIntroFiles(options, false, true)
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.OrderBy(i => Guid.NewGuid())
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.Select(i => new IntroInfo
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{
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Path = i
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}).ToList();
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var returnResult = new List<IntroInfo>();
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if (videoStream != null)
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{
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returnResult.AddRange(GetMediaInfoIntrosByVideoStream(allIntros, videoStream).Take(1));
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}
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if (audioStream != null)
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{
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returnResult.AddRange(GetMediaInfoIntrosByAudioStream(allIntros, audioStream).Take(1));
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}
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returnResult.AddRange(GetMediaInfoIntrosByTags(allIntros, item.Tags).Take(1));
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return returnResult.DistinctBy(i => i.Path, StringComparer.OrdinalIgnoreCase);
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}
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catch (IOException)
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{
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return new List<IntroInfo>();
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}
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}
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private IEnumerable<IntroInfo> GetMediaInfoIntrosByVideoStream(List<IntroInfo> allIntros, MediaStream stream)
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{
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var codec = stream.Codec;
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if (string.IsNullOrWhiteSpace(codec))
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{
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return new List<IntroInfo>();
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}
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return allIntros
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.Where(i => IsMatch(i.Path, codec));
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}
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private IEnumerable<IntroInfo> GetMediaInfoIntrosByAudioStream(List<IntroInfo> allIntros, MediaStream stream)
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{
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var codec = stream.Codec;
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if (string.IsNullOrWhiteSpace(codec))
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{
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return new List<IntroInfo>();
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}
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return allIntros
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.Where(i => IsAudioMatch(i.Path, stream));
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}
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private IEnumerable<IntroInfo> GetMediaInfoIntrosByTags(List<IntroInfo> allIntros, List<string> tags)
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{
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return allIntros
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.Where(i => tags.Any(t => IsMatch(i.Path, t)));
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}
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private bool IsMatch(string file, string attribute)
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{
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var filename = Path.GetFileNameWithoutExtension(file) ?? string.Empty;
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filename = Normalize(filename);
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if (string.IsNullOrWhiteSpace(filename))
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{
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return false;
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}
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attribute = Normalize(attribute);
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if (string.IsNullOrWhiteSpace(attribute))
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{
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return false;
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}
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return string.Equals(filename, attribute, StringComparison.OrdinalIgnoreCase);
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}
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private string Normalize(string value)
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{
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return value;
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}
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private bool IsAudioMatch(string path, MediaStream stream)
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{
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if (!string.IsNullOrWhiteSpace(stream.Codec))
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{
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if (IsMatch(path, stream.Codec))
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{
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return true;
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}
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}
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if (!string.IsNullOrWhiteSpace(stream.Profile))
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{
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if (IsMatch(path, stream.Profile))
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{
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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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private IEnumerable<string> GetCustomIntroFiles(CinemaModeConfiguration options, bool enableCustomIntros, bool enableMediaInfoIntros)
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{
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var list = new List<string>();
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if (enableCustomIntros && !string.IsNullOrWhiteSpace(options.CustomIntroPath))
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{
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list.AddRange(_fileSystem.GetFilePaths(options.CustomIntroPath, true)
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.Where(_libraryManager.IsVideoFile));
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}
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if (enableMediaInfoIntros && !string.IsNullOrWhiteSpace(options.MediaInfoIntroPath))
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{
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list.AddRange(_fileSystem.GetFilePaths(options.MediaInfoIntroPath, true)
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.Where(_libraryManager.IsVideoFile));
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}
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return list.Distinct(StringComparer.OrdinalIgnoreCase);
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}
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private bool FilterByParentalRating(int? ratingLevel, BaseItem item)
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{
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// Only content rated same or lower
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if (ratingLevel.HasValue)
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{
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var level = string.IsNullOrWhiteSpace(item.OfficialRating)
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? (int?)null
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: _localization.GetRatingLevel(item.OfficialRating);
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return level.HasValue && level.Value <= ratingLevel.Value;
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}
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return true;
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}
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internal static int GetSimiliarityScore(BaseItem item1, List<PersonInfo> item1People, List<PersonInfo> allPeople, BaseItem item2, Random random, ILibraryManager libraryManager)
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{
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var points = 0;
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if (!string.IsNullOrEmpty(item1.OfficialRating) && string.Equals(item1.OfficialRating, item2.OfficialRating, StringComparison.OrdinalIgnoreCase))
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{
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points += 10;
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}
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// Find common genres
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points += item1.Genres.Where(i => item2.Genres.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 10);
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// Find common tags
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points += GetTags(item1).Where(i => GetTags(item2).Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 10);
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// Find common keywords
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points += GetKeywords(item1).Where(i => GetKeywords(item2).Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 10);
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// Find common studios
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points += item1.Studios.Where(i => item2.Studios.Contains(i, StringComparer.OrdinalIgnoreCase)).Sum(i => 5);
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var item2PeopleNames = allPeople.Where(i => i.ItemId == item2.Id)
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.Select(i => i.Name)
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.Where(i => !string.IsNullOrWhiteSpace(i))
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.DistinctNames()
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.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
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points += item1People.Where(i => item2PeopleNames.ContainsKey(i.Name)).Sum(i =>
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{
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if (string.Equals(i.Type, PersonType.Director, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Director, StringComparison.OrdinalIgnoreCase))
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{
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return 5;
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}
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if (string.Equals(i.Type, PersonType.Actor, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Actor, StringComparison.OrdinalIgnoreCase))
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{
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return 3;
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}
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if (string.Equals(i.Type, PersonType.Composer, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Composer, StringComparison.OrdinalIgnoreCase))
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{
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return 3;
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}
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if (string.Equals(i.Type, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.GuestStar, StringComparison.OrdinalIgnoreCase))
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{
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return 3;
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}
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if (string.Equals(i.Type, PersonType.Writer, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Role, PersonType.Writer, StringComparison.OrdinalIgnoreCase))
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{
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return 2;
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}
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return 1;
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});
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// Add some randomization so that you're not always seeing the same ones for a given movie
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points += random.Next(0, 50);
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return points;
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}
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private static IEnumerable<string> GetTags(BaseItem item)
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{
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var hasTags = item as IHasTags;
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if (hasTags != null)
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{
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return hasTags.Tags;
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}
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return new List<string>();
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}
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private static IEnumerable<string> GetKeywords(BaseItem item)
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{
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var hasTags = item as IHasKeywords;
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if (hasTags != null)
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{
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return hasTags.Keywords;
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}
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return new List<string>();
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}
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public IEnumerable<string> GetAllIntroFiles()
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{
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return GetCustomIntroFiles(GetOptions(), true, true);
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}
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private bool IsSupporter
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{
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get { return _security.IsMBSupporter; }
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}
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public string Name
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{
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get { return "Default"; }
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}
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internal class ItemWithTrailer
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{
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internal BaseItem Item;
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internal ItemWithTrailerType Type;
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internal User User;
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internal BaseItem WatchingItem;
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internal List<PersonInfo> WatchingItemPeople;
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internal List<PersonInfo> AllPeople;
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internal Random Random;
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internal ILibraryManager LibraryManager;
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private bool? _isPlayed;
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public bool IsPlayed
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{
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get
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{
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if (!_isPlayed.HasValue)
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{
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_isPlayed = Item.IsPlayed(User);
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}
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return _isPlayed.Value;
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}
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}
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private int? _score;
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public int Score
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{
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get
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{
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if (!_score.HasValue)
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{
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_score = GetSimiliarityScore(WatchingItem, WatchingItemPeople, AllPeople, Item, Random, LibraryManager);
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}
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return _score.Value;
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}
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}
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public IntroInfo IntroInfo
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{
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get
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{
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var id = Item.Id;
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if (Type == ItemWithTrailerType.ItemWithTrailer)
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{
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var hasTrailers = Item as IHasTrailers;
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if (hasTrailers != null)
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{
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id = hasTrailers.LocalTrailerIds.FirstOrDefault();
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}
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}
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return new IntroInfo
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{
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ItemId = id
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};
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}
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}
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}
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internal enum ItemWithTrailerType
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{
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ChannelTrailer,
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ItemWithTrailer
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}
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}
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public class CinemaModeConfigurationFactory : IConfigurationFactory
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{
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public IEnumerable<ConfigurationStore> GetConfigurations()
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{
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return new[]
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{
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new ConfigurationStore
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{
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ConfigurationType = typeof(CinemaModeConfiguration),
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Key = "cinemamode"
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}
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};
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}
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}
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}
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