jellyfin-server/Emby.Server.Implementations/TV/TVSeriesManager.cs
2017-09-04 15:28:22 -04:00

275 lines
9.8 KiB
C#

using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.TV;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
namespace Emby.Server.Implementations.TV
{
public class TVSeriesManager : ITVSeriesManager
{
private readonly IUserManager _userManager;
private readonly IUserDataManager _userDataManager;
private readonly ILibraryManager _libraryManager;
private readonly IServerConfigurationManager _config;
public TVSeriesManager(IUserManager userManager, IUserDataManager userDataManager, ILibraryManager libraryManager, IServerConfigurationManager config)
{
_userManager = userManager;
_userDataManager = userDataManager;
_libraryManager = libraryManager;
_config = config;
}
public QueryResult<BaseItem> GetNextUp(NextUpQuery request, DtoOptions dtoOptions)
{
var user = _userManager.GetUserById(request.UserId);
if (user == null)
{
throw new ArgumentException("User not found");
}
var parentIdGuid = string.IsNullOrWhiteSpace(request.ParentId) ? (Guid?)null : new Guid(request.ParentId);
string presentationUniqueKey = null;
int? limit = null;
if (!string.IsNullOrWhiteSpace(request.SeriesId))
{
var series = _libraryManager.GetItemById(request.SeriesId) as Series;
if (series != null)
{
presentationUniqueKey = GetUniqueSeriesKey(series);
limit = 1;
}
}
if (!string.IsNullOrWhiteSpace(presentationUniqueKey))
{
return GetResult(GetNextUpEpisodes(request, user, new[] { presentationUniqueKey }, dtoOptions), request);
}
if (limit.HasValue)
{
limit = limit.Value + 10;
}
var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
IncludeItemTypes = new[] { typeof(Episode).Name },
OrderBy = new[] { new Tuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending) },
SeriesPresentationUniqueKey = presentationUniqueKey,
Limit = limit,
ParentId = parentIdGuid,
Recursive = true,
DtoOptions = new MediaBrowser.Controller.Dto.DtoOptions
{
Fields = new ItemFields[]
{
ItemFields.SeriesPresentationUniqueKey
}
},
GroupBySeriesPresentationUniqueKey = true
}).Cast<Episode>().Select(GetUniqueSeriesKey);
// Avoid implicitly captured closure
var episodes = GetNextUpEpisodes(request, user, items, dtoOptions);
return GetResult(episodes, request);
}
public QueryResult<BaseItem> GetNextUp(NextUpQuery request, List<Folder> parentsFolders, DtoOptions dtoOptions)
{
var user = _userManager.GetUserById(request.UserId);
if (user == null)
{
throw new ArgumentException("User not found");
}
string presentationUniqueKey = null;
int? limit = null;
if (!string.IsNullOrWhiteSpace(request.SeriesId))
{
var series = _libraryManager.GetItemById(request.SeriesId) as Series;
if (series != null)
{
presentationUniqueKey = GetUniqueSeriesKey(series);
limit = 1;
}
}
if (!string.IsNullOrWhiteSpace(presentationUniqueKey))
{
return GetResult(GetNextUpEpisodes(request, user, new [] { presentationUniqueKey }, dtoOptions), request);
}
if (limit.HasValue)
{
limit = limit.Value + 10;
}
var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
IncludeItemTypes = new[] { typeof(Episode).Name },
OrderBy = new[] { new Tuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending) },
SeriesPresentationUniqueKey = presentationUniqueKey,
Limit = limit,
DtoOptions = new MediaBrowser.Controller.Dto.DtoOptions
{
Fields = new ItemFields[]
{
ItemFields.SeriesPresentationUniqueKey
},
EnableImages = false
},
GroupBySeriesPresentationUniqueKey = true
}, parentsFolders.Cast<BaseItem>().ToList()).Cast<Episode>().Select(GetUniqueSeriesKey);
// Avoid implicitly captured closure
var episodes = GetNextUpEpisodes(request, user, items, dtoOptions);
return GetResult(episodes, request);
}
public IEnumerable<Episode> GetNextUpEpisodes(NextUpQuery request, User user, IEnumerable<string> seriesKeys, DtoOptions dtoOptions)
{
// Avoid implicitly captured closure
var currentUser = user;
var allNextUp = seriesKeys
.Select(i => GetNextUp(i, currentUser, dtoOptions));
//allNextUp = allNextUp.OrderByDescending(i => i.Item1);
// If viewing all next up for all series, remove first episodes
// But if that returns empty, keep those first episodes (avoid completely empty view)
var alwaysEnableFirstEpisode = !string.IsNullOrWhiteSpace(request.SeriesId);
var anyFound = false;
return allNextUp
.Where(i =>
{
if (alwaysEnableFirstEpisode || i.Item1 != DateTime.MinValue)
{
anyFound = true;
return true;
}
if (!anyFound && i.Item1 == DateTime.MinValue)
{
return true;
}
return false;
})
.Select(i => i.Item2())
.Where(i => i != null);
}
private string GetUniqueSeriesKey(Episode episode)
{
return episode.SeriesPresentationUniqueKey;
}
private string GetUniqueSeriesKey(Series series)
{
return series.GetPresentationUniqueKey();
}
/// <summary>
/// Gets the next up.
/// </summary>
/// <returns>Task{Episode}.</returns>
private Tuple<DateTime, Func<Episode>> GetNextUp(string seriesKey, User user, DtoOptions dtoOptions)
{
var lastWatchedEpisode = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
AncestorWithPresentationUniqueKey = null,
SeriesPresentationUniqueKey = seriesKey,
IncludeItemTypes = new[] { typeof(Episode).Name },
OrderBy = new[] { new Tuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Descending) },
IsPlayed = true,
Limit = 1,
ParentIndexNumberNotEquals = 0,
DtoOptions = new MediaBrowser.Controller.Dto.DtoOptions
{
Fields = new ItemFields[]
{
ItemFields.SortName
},
EnableImages = false
}
}).FirstOrDefault();
Func<Episode> getEpisode = () =>
{
return _libraryManager.GetItemList(new InternalItemsQuery(user)
{
AncestorWithPresentationUniqueKey = null,
SeriesPresentationUniqueKey = seriesKey,
IncludeItemTypes = new[] { typeof(Episode).Name },
OrderBy = new[] { new Tuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Ascending) },
Limit = 1,
IsPlayed = false,
IsVirtualItem = false,
ParentIndexNumberNotEquals = 0,
MinSortName = lastWatchedEpisode == null ? null : lastWatchedEpisode.SortName,
DtoOptions = dtoOptions
}).Cast<Episode>().FirstOrDefault();
};
if (lastWatchedEpisode != null)
{
var userData = _userDataManager.GetUserData(user, lastWatchedEpisode);
var lastWatchedDate = userData.LastPlayedDate ?? DateTime.MinValue.AddDays(1);
return new Tuple<DateTime, Func<Episode>>(lastWatchedDate, getEpisode);
}
// Return the first episode
return new Tuple<DateTime, Func<Episode>>(DateTime.MinValue, getEpisode);
}
private QueryResult<BaseItem> GetResult(IEnumerable<BaseItem> items, NextUpQuery query)
{
int totalCount = 0;
if (query.EnableTotalRecordCount)
{
var list = items.ToList();
totalCount = list.Count;
items = list;
}
if (query.StartIndex.HasValue)
{
items = items.Skip(query.StartIndex.Value);
}
if (query.Limit.HasValue)
{
items = items.Take(query.Limit.Value);
}
return new QueryResult<BaseItem>
{
TotalRecordCount = totalCount,
Items = items.ToArray()
};
}
}
}