jellyfin-server/MediaBrowser.Providers/TV/SeriesPostScanTask.cs
2014-03-30 03:44:03 +01:00

145 lines
4.6 KiB
C#

using System.Collections.Generic;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Providers.TV
{
class SeriesGroup : List<Series>, IGrouping<string, Series>
{
public string Key { get; set; }
}
class SeriesPostScanTask : ILibraryPostScanTask, IHasOrder
{
/// <summary>
/// The _library manager
/// </summary>
private readonly ILibraryManager _libraryManager;
private readonly IServerConfigurationManager _config;
private readonly ILogger _logger;
public SeriesPostScanTask(ILibraryManager libraryManager, ILogger logger, IServerConfigurationManager config)
{
_libraryManager = libraryManager;
_logger = logger;
_config = config;
}
public Task Run(IProgress<double> progress, CancellationToken cancellationToken)
{
return RunInternal(progress, cancellationToken);
}
private async Task RunInternal(IProgress<double> progress, CancellationToken cancellationToken)
{
var seriesList = _libraryManager.RootFolder
.RecursiveChildren
.OfType<Series>()
.ToList();
var seriesGroups = FindSeriesGroups(seriesList).Where(g => !string.IsNullOrEmpty(g.Key)).ToList();
await new MissingEpisodeProvider(_logger, _config, _libraryManager).Run(seriesGroups, cancellationToken).ConfigureAwait(false);
var numComplete = 0;
foreach (var series in seriesList)
{
cancellationToken.ThrowIfCancellationRequested();
var episodes = series.RecursiveChildren
.OfType<Episode>()
.ToList();
var physicalEpisodes = episodes.Where(i => i.LocationType != LocationType.Virtual)
.ToList();
series.SeasonCount = episodes
.Select(i => i.ParentIndexNumber ?? 0)
.Where(i => i != 0)
.Distinct()
.Count();
series.SpecialFeatureIds = physicalEpisodes
.Where(i => i.ParentIndexNumber.HasValue && i.ParentIndexNumber.Value == 0)
.Select(i => i.Id)
.ToList();
series.DateLastEpisodeAdded = physicalEpisodes.Select(i => i.DateCreated)
.OrderByDescending(i => i)
.FirstOrDefault();
numComplete++;
double percent = numComplete;
percent /= seriesList.Count;
percent *= 100;
progress.Report(percent);
}
}
private IEnumerable<IGrouping<string, Series>> FindSeriesGroups(List<Series> seriesList)
{
var links = seriesList.ToDictionary(s => s, s => seriesList.Where(c => c != s && ShareProviderId(s, c)).ToList());
var visited = new HashSet<Series>();
foreach (var series in seriesList)
{
if (!visited.Contains(series))
{
var group = new SeriesGroup();
FindAllLinked(series, visited, links, group);
group.Key = group.Select(s => s.GetProviderId(MetadataProviders.Tvdb)).FirstOrDefault(id => !string.IsNullOrEmpty(id));
yield return group;
}
}
}
private void FindAllLinked(Series series, HashSet<Series> visited, IDictionary<Series, List<Series>> linksMap, List<Series> results)
{
results.Add(series);
visited.Add(series);
var links = linksMap[series];
foreach (var s in links)
{
if (!visited.Contains(s))
{
FindAllLinked(s, visited, linksMap, results);
}
}
}
private bool ShareProviderId(Series a, Series b)
{
return a.ProviderIds.Any(id =>
{
string value;
return b.ProviderIds.TryGetValue(id.Key, out value) && id.Value == value;
});
}
public int Order
{
get
{
// Run after tvdb update task
return 1;
}
}
}
}