jellyfin/MediaBrowser.Providers/TV/DummySeasonProvider.cs
2020-09-28 15:04:31 -05:00

230 lines
7.9 KiB
C#

#pragma warning disable CS1591
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.TV
{
public class DummySeasonProvider
{
private readonly ILogger _logger;
private readonly ILocalizationManager _localization;
private readonly ILibraryManager _libraryManager;
private readonly IFileSystem _fileSystem;
public DummySeasonProvider(
ILogger logger,
ILocalizationManager localization,
ILibraryManager libraryManager,
IFileSystem fileSystem)
{
_logger = logger;
_localization = localization;
_libraryManager = libraryManager;
_fileSystem = fileSystem;
}
public async Task<bool> Run(Series series, CancellationToken cancellationToken)
{
var seasonsRemoved = RemoveObsoleteSeasons(series);
var hasNewSeasons = await AddDummySeasonFolders(series, cancellationToken).ConfigureAwait(false);
if (hasNewSeasons)
{
// var directoryService = new DirectoryService(_fileSystem);
// await series.RefreshMetadata(new MetadataRefreshOptions(directoryService), cancellationToken).ConfigureAwait(false);
// await series.ValidateChildren(new SimpleProgress<double>(), cancellationToken, new MetadataRefreshOptions(directoryService))
// .ConfigureAwait(false);
}
return seasonsRemoved || hasNewSeasons;
}
private async Task<bool> AddDummySeasonFolders(Series series, CancellationToken cancellationToken)
{
var episodesInSeriesFolder = series.GetRecursiveChildren(i => i is Episode)
.Cast<Episode>()
.Where(i => !i.IsInSeasonFolder)
.ToList();
var hasChanges = false;
List<Season> seasons = null;
// Loop through the unique season numbers
foreach (var seasonNumber in episodesInSeriesFolder.Select(i => i.ParentIndexNumber ?? -1)
.Where(i => i >= 0)
.Distinct()
.ToList())
{
if (seasons == null)
{
seasons = series.Children.OfType<Season>().ToList();
}
var existingSeason = seasons
.FirstOrDefault(i => i.IndexNumber.HasValue && i.IndexNumber.Value == seasonNumber);
if (existingSeason == null)
{
await AddSeason(series, seasonNumber, false, cancellationToken).ConfigureAwait(false);
hasChanges = true;
seasons = null;
}
else if (existingSeason.IsVirtualItem)
{
existingSeason.IsVirtualItem = false;
await existingSeason.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, cancellationToken).ConfigureAwait(false);
seasons = null;
}
}
// Unknown season - create a dummy season to put these under
if (episodesInSeriesFolder.Any(i => !i.ParentIndexNumber.HasValue))
{
if (seasons == null)
{
seasons = series.Children.OfType<Season>().ToList();
}
var existingSeason = seasons
.FirstOrDefault(i => !i.IndexNumber.HasValue);
if (existingSeason == null)
{
await AddSeason(series, null, false, cancellationToken).ConfigureAwait(false);
hasChanges = true;
seasons = null;
}
else if (existingSeason.IsVirtualItem)
{
existingSeason.IsVirtualItem = false;
await existingSeason.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, cancellationToken).ConfigureAwait(false);
seasons = null;
}
}
return hasChanges;
}
/// <summary>
/// Adds the season.
/// </summary>
public async Task<Season> AddSeason(
Series series,
int? seasonNumber,
bool isVirtualItem,
CancellationToken cancellationToken)
{
string seasonName;
if (seasonNumber == null)
{
seasonName = _localization.GetLocalizedString("NameSeasonUnknown");
}
else if (seasonNumber == 0)
{
seasonName = _libraryManager.GetLibraryOptions(series).SeasonZeroDisplayName;
}
else
{
seasonName = string.Format(
CultureInfo.InvariantCulture,
_localization.GetLocalizedString("NameSeasonNumber"),
seasonNumber.Value);
}
_logger.LogInformation("Creating Season {0} entry for {1}", seasonName, series.Name);
var season = new Season
{
Name = seasonName,
IndexNumber = seasonNumber,
Id = _libraryManager.GetNewItemId(
series.Id + (seasonNumber ?? -1).ToString(CultureInfo.InvariantCulture) + seasonName,
typeof(Season)),
IsVirtualItem = isVirtualItem,
SeriesId = series.Id,
SeriesName = series.Name
};
season.SetParent(series);
series.AddChild(season, cancellationToken);
await season.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)), cancellationToken).ConfigureAwait(false);
return season;
}
private bool RemoveObsoleteSeasons(Series series)
{
var existingSeasons = series.Children.OfType<Season>().ToList();
var physicalSeasons = existingSeasons
.Where(i => i.LocationType != LocationType.Virtual)
.ToList();
var virtualSeasons = existingSeasons
.Where(i => i.LocationType == LocationType.Virtual)
.ToList();
var seasonsToRemove = virtualSeasons
.Where(i =>
{
if (i.IndexNumber.HasValue)
{
var seasonNumber = i.IndexNumber.Value;
// If there's a physical season with the same number, delete it
if (physicalSeasons.Any(p => p.IndexNumber.HasValue && (p.IndexNumber.Value == seasonNumber)))
{
return true;
}
}
// If there are no episodes with this season number, delete it
if (!i.GetEpisodes().Any())
{
return true;
}
return false;
})
.ToList();
var hasChanges = false;
foreach (var seasonToRemove in seasonsToRemove)
{
_logger.LogInformation("Removing virtual season {0} {1}", series.Name, seasonToRemove.IndexNumber);
_libraryManager.DeleteItem(
seasonToRemove,
new DeleteOptions
{
DeleteFileLocation = true
},
false);
hasChanges = true;
}
return hasChanges;
}
}
}