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#nullable disable
#pragma warning disable CS1591
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller.Configuration;
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 MediaBrowser.Providers.Manager;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.TV
{
public class SeriesMetadataService : MetadataService<Series, SeriesInfo>
{
private readonly ILocalizationManager _localizationManager;
public SeriesMetadataService(
IServerConfigurationManager serverConfigurationManager,
ILogger<SeriesMetadataService> logger,
IProviderManager providerManager,
IFileSystem fileSystem,
ILibraryManager libraryManager,
ILocalizationManager localizationManager)
: base(serverConfigurationManager, logger, providerManager, fileSystem, libraryManager)
{
_localizationManager = localizationManager;
}
/// <inheritdoc />
protected override async Task AfterMetadataRefresh(Series item, MetadataRefreshOptions refreshOptions, CancellationToken cancellationToken)
{
await base.AfterMetadataRefresh(item, refreshOptions, cancellationToken).ConfigureAwait(false);
RemoveObsoleteSeasons(item);
await FillInMissingSeasonsAsync(item, cancellationToken).ConfigureAwait(false);
}
/// <inheritdoc />
protected override bool IsFullLocalMetadata(Series item)
{
if (string.IsNullOrWhiteSpace(item.Overview))
{
return false;
}
if (!item.ProductionYear.HasValue)
{
return false;
}
return base.IsFullLocalMetadata(item);
}
/// <inheritdoc />
protected override void MergeData(MetadataResult<Series> source, MetadataResult<Series> target, MetadataField[] lockedFields, bool replaceData, bool mergeMetadataSettings)
{
ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
var sourceItem = source.Item;
var targetItem = target.Item;
if (replaceData || string.IsNullOrEmpty(targetItem.AirTime))
{
targetItem.AirTime = sourceItem.AirTime;
}
if (replaceData || !targetItem.Status.HasValue)
{
targetItem.Status = sourceItem.Status;
}
if (replaceData || targetItem.AirDays == null || targetItem.AirDays.Length == 0)
{
targetItem.AirDays = sourceItem.AirDays;
}
}
private void RemoveObsoleteSeasons(Series series)
{
// TODO Legacy. It's not really "physical" seasons as any virtual seasons are always converted to non-virtual in FillInMissingSeasonsAsync.
var physicalSeasonNumbers = new HashSet<int>();
var virtualSeasons = new List<Season>();
foreach (var existingSeason in series.Children.OfType<Season>())
{
if (existingSeason.LocationType != LocationType.Virtual && existingSeason.IndexNumber.HasValue)
{
physicalSeasonNumbers.Add(existingSeason.IndexNumber.Value);
}
else if (existingSeason.LocationType == LocationType.Virtual)
{
virtualSeasons.Add(existingSeason);
}
}
foreach (var virtualSeason in virtualSeasons)
{
var seasonNumber = virtualSeason.IndexNumber;
// If there's a physical season with the same number or no episodes in the season, delete it
if ((seasonNumber.HasValue && physicalSeasonNumbers.Contains(seasonNumber.Value))
|| !virtualSeason.GetEpisodes().Any())
{
Logger.LogInformation("Removing virtual season {SeasonNumber} in series {SeriesName}", virtualSeason.IndexNumber, series.Name);
LibraryManager.DeleteItem(
virtualSeason,
new DeleteOptions
{
DeleteFileLocation = true
},
false);
}
}
}
/// <summary>
/// Creates seasons for all episodes that aren't in a season folder.
/// If no season number can be determined, a dummy season will be created.
/// </summary>
/// <param name="series">The series.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The async task.</returns>
private async Task FillInMissingSeasonsAsync(Series series, CancellationToken cancellationToken)
{
var seriesChildren = series.GetRecursiveChildren(i => i is Episode || i is Season);
var episodesInSeriesFolder = seriesChildren
.OfType<Episode>()
.Where(i => !i.IsInSeasonFolder);
List<Season> seasons = seriesChildren.OfType<Season>().ToList();
// Loop through the unique season numbers
foreach (var episode in episodesInSeriesFolder)
{
// Null season numbers will have a 'dummy' season created because seasons are always required.
var seasonNumber = episode.ParentIndexNumber >= 0 ? episode.ParentIndexNumber : null;
var existingSeason = seasons.FirstOrDefault(i => i.IndexNumber == seasonNumber);
if (existingSeason == null)
{
var season = await CreateSeasonAsync(series, seasonNumber, cancellationToken).ConfigureAwait(false);
seasons.Add(season);
}
else if (existingSeason.IsVirtualItem)
{
existingSeason.IsVirtualItem = false;
await existingSeason.UpdateToRepositoryAsync(ItemUpdateType.MetadataEdit, cancellationToken).ConfigureAwait(false);
}
}
}
/// <summary>
/// Creates a new season, adds it to the database by linking it to the [series] and refreshes the metadata.
/// </summary>
/// <param name="series">The series.</param>
/// <param name="seasonNumber">The season number.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The newly created season.</returns>
private async Task<Season> CreateSeasonAsync(
Series series,
int? seasonNumber,
CancellationToken cancellationToken)
{
string seasonName = seasonNumber switch
{
null => _localizationManager.GetLocalizedString("NameSeasonUnknown"),
0 => LibraryManager.GetLibraryOptions(series).SeasonZeroDisplayName,
_ => string.Format(CultureInfo.InvariantCulture, _localizationManager.GetLocalizedString("NameSeasonNumber"), seasonNumber.Value)
};
Logger.LogInformation("Creating Season {SeasonName} entry for {SeriesName}", 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 = false,
SeriesId = series.Id,
SeriesName = series.Name
};
series.AddChild(season);
await season.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(FileSystem)), cancellationToken).ConfigureAwait(false);
return season;
}
}
}
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