mirror of
https://github.com/jellyfin/jellyfin.git
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269 lines
9.4 KiB
C#
269 lines
9.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Dto;
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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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namespace Emby.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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private readonly IServerConfigurationManager _config;
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public TVSeriesManager(IUserManager userManager, IUserDataManager userDataManager, ILibraryManager libraryManager, IServerConfigurationManager config)
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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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_config = config;
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}
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public QueryResult<BaseItem> GetNextUp(NextUpQuery request, DtoOptions dtoOptions)
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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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string presentationUniqueKey = null;
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if (!string.IsNullOrEmpty(request.SeriesId))
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{
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var series = _libraryManager.GetItemById(request.SeriesId) as Series;
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if (series != null)
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{
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presentationUniqueKey = GetUniqueSeriesKey(series);
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}
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}
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if (!string.IsNullOrEmpty(presentationUniqueKey))
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{
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return GetResult(GetNextUpEpisodes(request, user, new[] { presentationUniqueKey }, dtoOptions), request);
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}
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var parentIdGuid = string.IsNullOrEmpty(request.ParentId) ? (Guid?)null : new Guid(request.ParentId);
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BaseItem[] parents;
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if (parentIdGuid.HasValue)
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{
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var parent = _libraryManager.GetItemById(parentIdGuid.Value);
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if (parent != null)
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{
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parents = new[] { parent };
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}
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else
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{
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parents = Array.Empty<BaseItem>();
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}
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}
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else
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{
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parents = _libraryManager.GetUserRootFolder().GetChildren(user, true)
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.Where(i => i is Folder)
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.Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture)))
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.ToArray();
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}
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return GetNextUp(request, parents, dtoOptions);
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}
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public QueryResult<BaseItem> GetNextUp(NextUpQuery request, BaseItem[] parentsFolders, DtoOptions dtoOptions)
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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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string presentationUniqueKey = null;
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int? limit = null;
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if (!string.IsNullOrEmpty(request.SeriesId))
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{
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var series = _libraryManager.GetItemById(request.SeriesId) as Series;
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if (series != null)
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{
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presentationUniqueKey = GetUniqueSeriesKey(series);
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limit = 1;
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}
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}
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if (!string.IsNullOrEmpty(presentationUniqueKey))
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{
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return GetResult(GetNextUpEpisodes(request, user, new[] { presentationUniqueKey }, dtoOptions), request);
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}
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if (limit.HasValue)
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{
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limit = limit.Value + 10;
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}
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var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
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{
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IncludeItemTypes = new[] { typeof(Episode).Name },
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OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending) },
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SeriesPresentationUniqueKey = presentationUniqueKey,
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Limit = limit,
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DtoOptions = new DtoOptions
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{
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Fields = new ItemFields[]
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{
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ItemFields.SeriesPresentationUniqueKey
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},
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EnableImages = false
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},
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GroupBySeriesPresentationUniqueKey = true
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}, parentsFolders.ToList()).Cast<Episode>().Select(GetUniqueSeriesKey);
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// Avoid implicitly captured closure
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var episodes = GetNextUpEpisodes(request, user, items, dtoOptions);
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return GetResult(episodes, request);
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}
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public IEnumerable<Episode> GetNextUpEpisodes(NextUpQuery request, User user, IEnumerable<string> seriesKeys, DtoOptions dtoOptions)
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{
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// Avoid implicitly captured closure
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var currentUser = user;
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var allNextUp = seriesKeys
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.Select(i => GetNextUp(i, currentUser, dtoOptions));
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//allNextUp = allNextUp.OrderByDescending(i => i.Item1);
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// If viewing all next up for all series, remove first episodes
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// But if that returns empty, keep those first episodes (avoid completely empty view)
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var alwaysEnableFirstEpisode = !string.IsNullOrEmpty(request.SeriesId);
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var anyFound = false;
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return allNextUp
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.Where(i =>
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{
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if (alwaysEnableFirstEpisode || i.Item1 != DateTime.MinValue)
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{
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anyFound = true;
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return true;
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}
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if (!anyFound && i.Item1 == DateTime.MinValue)
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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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.Select(i => i.Item2())
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.Where(i => i != null);
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}
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private static string GetUniqueSeriesKey(Episode episode)
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{
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return episode.SeriesPresentationUniqueKey;
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}
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private static string GetUniqueSeriesKey(Series series)
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{
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return series.GetPresentationUniqueKey();
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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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/// <returns>Task{Episode}.</returns>
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private Tuple<DateTime, Func<Episode>> GetNextUp(string seriesKey, User user, DtoOptions dtoOptions)
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{
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var lastWatchedEpisode = _libraryManager.GetItemList(new InternalItemsQuery(user)
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{
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AncestorWithPresentationUniqueKey = null,
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SeriesPresentationUniqueKey = seriesKey,
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IncludeItemTypes = new[] { typeof(Episode).Name },
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OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Descending) },
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IsPlayed = true,
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Limit = 1,
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ParentIndexNumberNotEquals = 0,
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DtoOptions = new DtoOptions
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{
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Fields = new ItemFields[]
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{
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ItemFields.SortName
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},
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EnableImages = false
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}
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}).FirstOrDefault();
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Func<Episode> getEpisode = () =>
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{
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return _libraryManager.GetItemList(new InternalItemsQuery(user)
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{
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AncestorWithPresentationUniqueKey = null,
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SeriesPresentationUniqueKey = seriesKey,
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IncludeItemTypes = new[] { typeof(Episode).Name },
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OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Ascending) },
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Limit = 1,
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IsPlayed = false,
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IsVirtualItem = false,
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ParentIndexNumberNotEquals = 0,
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MinSortName = lastWatchedEpisode == null ? null : lastWatchedEpisode.SortName,
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DtoOptions = dtoOptions
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}).Cast<Episode>().FirstOrDefault();
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};
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if (lastWatchedEpisode != null)
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{
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var userData = _userDataManager.GetUserData(user, lastWatchedEpisode);
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var lastWatchedDate = userData.LastPlayedDate ?? DateTime.MinValue.AddDays(1);
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return new Tuple<DateTime, Func<Episode>>(lastWatchedDate, getEpisode);
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}
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// Return the first episode
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return new Tuple<DateTime, Func<Episode>>(DateTime.MinValue, getEpisode);
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}
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private static QueryResult<BaseItem> GetResult(IEnumerable<BaseItem> items, NextUpQuery query)
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{
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int totalCount = 0;
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if (query.EnableTotalRecordCount)
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{
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var list = items.ToList();
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totalCount = list.Count;
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items = list;
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}
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if (query.StartIndex.HasValue)
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{
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items = items.Skip(query.StartIndex.Value);
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}
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if (query.Limit.HasValue)
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{
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items = items.Take(query.Limit.Value);
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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 = items.ToArray()
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};
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}
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}
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}
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