mirror of
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196 lines
6.9 KiB
C#
196 lines
6.9 KiB
C#
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.TV;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Querying;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace MediaBrowser.Server.Implementations.TV
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{
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public class TVSeriesManager : ITVSeriesManager
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{
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private readonly IUserManager _userManager;
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private readonly IUserDataManager _userDataManager;
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private readonly ILibraryManager _libraryManager;
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public TVSeriesManager(IUserManager userManager, IUserDataManager userDataManager, ILibraryManager libraryManager)
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{
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_userManager = userManager;
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_userDataManager = userDataManager;
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_libraryManager = libraryManager;
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}
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public QueryResult<BaseItem> GetNextUp(NextUpQuery request)
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{
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var user = _userManager.GetUserById(request.UserId);
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if (user == null)
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{
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throw new ArgumentException("User not found");
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}
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var parentIds = string.IsNullOrEmpty(request.ParentId)
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? new string[] { }
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: new[] { request.ParentId };
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var items = _libraryManager.GetItems(new InternalItemsQuery(user)
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{
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IncludeItemTypes = new[] { typeof(Series).Name },
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SortOrder = SortOrder.Ascending
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}, parentIds).Cast<Series>();
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// Avoid implicitly captured closure
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var episodes = GetNextUpEpisodes(request, user, items);
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return GetResult(episodes, null, request);
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}
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public QueryResult<BaseItem> GetNextUp(NextUpQuery request, IEnumerable<Folder> parentsFolders)
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{
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var user = _userManager.GetUserById(request.UserId);
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if (user == null)
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{
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throw new ArgumentException("User not found");
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}
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var items = _libraryManager.GetItems(new InternalItemsQuery(user)
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{
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IncludeItemTypes = new[] { typeof(Series).Name },
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SortOrder = SortOrder.Ascending
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}, parentsFolders.Select(i => i.Id.ToString("N"))).Cast<Series>();
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// Avoid implicitly captured closure
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var episodes = GetNextUpEpisodes(request, user, items);
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return GetResult(episodes, null, request);
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}
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public IEnumerable<Episode> GetNextUpEpisodes(NextUpQuery request, User user, IEnumerable<Series> series)
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{
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// Avoid implicitly captured closure
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var currentUser = user;
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return FilterSeries(request, series)
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.AsParallel()
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.Select(i => GetNextUp(i, currentUser))
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// Include if an episode was found, and either the series is not unwatched or the specific series was requested
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.Where(i => i.Item1 != null && (!i.Item3 || !string.IsNullOrWhiteSpace(request.SeriesId)))
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.OrderByDescending(i =>
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{
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var episode = i.Item1;
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var seriesUserData = _userDataManager.GetUserData(user.Id, episode.Series.GetUserDataKey());
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if (seriesUserData.IsFavorite)
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{
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return 2;
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}
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if (seriesUserData.Likes.HasValue)
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{
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return seriesUserData.Likes.Value ? 1 : -1;
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}
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return 0;
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})
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.ThenByDescending(i => i.Item2)
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.ThenByDescending(i => i.Item1.PremiereDate ?? DateTime.MinValue)
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.Select(i => i.Item1);
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}
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/// <summary>
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/// Gets the next up.
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/// </summary>
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/// <param name="series">The series.</param>
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/// <param name="user">The user.</param>
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/// <returns>Task{Episode}.</returns>
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private Tuple<Episode, DateTime, bool> GetNextUp(Series series, User user)
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{
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// Get them in display order, then reverse
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var allEpisodes = series.GetSeasons(user, true, true)
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.Where(i => !i.IndexNumber.HasValue || i.IndexNumber.Value != 0)
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.SelectMany(i => i.GetEpisodes(user))
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.Reverse()
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.ToList();
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Episode lastWatched = null;
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var lastWatchedDate = DateTime.MinValue;
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Episode nextUp = null;
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var includeMissing = user.Configuration.DisplayMissingEpisodes;
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// Go back starting with the most recent episodes
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foreach (var episode in allEpisodes)
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{
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var userData = _userDataManager.GetUserData(user.Id, episode.GetUserDataKey());
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if (userData.Played)
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{
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if (lastWatched != null || nextUp == null)
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{
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break;
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}
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lastWatched = episode;
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lastWatchedDate = userData.LastPlayedDate ?? DateTime.MinValue;
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}
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else
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{
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if (!episode.IsVirtualUnaired && (!episode.IsMissingEpisode || includeMissing))
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{
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nextUp = episode;
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}
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}
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}
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if (lastWatched != null)
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{
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return new Tuple<Episode, DateTime, bool>(nextUp, lastWatchedDate, false);
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}
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var firstEpisode = allEpisodes.LastOrDefault(i => !i.IsVirtualUnaired && (!i.IsMissingEpisode || includeMissing) && !i.IsPlayed(user));
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// Return the first episode
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return new Tuple<Episode, DateTime, bool>(firstEpisode, DateTime.MinValue, true);
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}
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private IEnumerable<Series> FilterSeries(NextUpQuery request, IEnumerable<Series> items)
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{
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if (!string.IsNullOrWhiteSpace(request.SeriesId))
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{
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var id = new Guid(request.SeriesId);
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items = items.Where(i => i.Id == id);
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}
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return items;
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}
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private QueryResult<BaseItem> GetResult(IEnumerable<BaseItem> items, int? totalRecordLimit, NextUpQuery query)
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{
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var itemsArray = totalRecordLimit.HasValue ? items.Take(totalRecordLimit.Value).ToArray() : items.ToArray();
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var totalCount = itemsArray.Length;
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if (query.Limit.HasValue)
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{
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itemsArray = itemsArray.Skip(query.StartIndex ?? 0).Take(query.Limit.Value).ToArray();
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}
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else if (query.StartIndex.HasValue)
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{
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itemsArray = itemsArray.Skip(query.StartIndex.Value).ToArray();
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}
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return new QueryResult<BaseItem>
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{
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TotalRecordCount = totalCount,
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Items = itemsArray
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};
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}
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}
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}
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