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using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Data.Enums;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Library.Validators;
/// <summary>
/// Class PeopleValidator.
/// </summary>
public class PeopleValidator
{
/// <summary>
/// The _library manager.
/// </summary>
private readonly ILibraryManager _libraryManager;
/// <summary>
/// The _logger.
/// </summary>
private readonly ILogger _logger;
private readonly IFileSystem _fileSystem;
/// <summary>
/// Initializes a new instance of the <see cref="PeopleValidator" /> class.
/// </summary>
/// <param name="libraryManager">The library manager.</param>
/// <param name="logger">The logger.</param>
/// <param name="fileSystem">The file system.</param>
public PeopleValidator(ILibraryManager libraryManager, ILogger logger, IFileSystem fileSystem)
{
_libraryManager = libraryManager;
_logger = logger;
_fileSystem = fileSystem;
}
/// <summary>
/// Validates the people.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task.</returns>
public async Task ValidatePeople(CancellationToken cancellationToken, IProgress<double> progress)
{
var people = _libraryManager.GetPeopleNames(new InternalPeopleQuery());
var numComplete = 0;
var numPeople = people.Count;
IProgress<double> subProgress = new Progress<double>((val) => progress.Report(val / 2));
_logger.LogDebug("Will refresh {Amount} people", numPeople);
foreach (var person in people)
{
cancellationToken.ThrowIfCancellationRequested();
try
{
var item = _libraryManager.GetPerson(person);
if (item is null)
{
_logger.LogWarning("Failed to get person: {Name}", person);
continue;
}
var options = new MetadataRefreshOptions(new DirectoryService(_fileSystem))
{
ImageRefreshMode = MetadataRefreshMode.ValidationOnly,
MetadataRefreshMode = MetadataRefreshMode.ValidationOnly
};
await item.RefreshMetadata(options, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
_logger.LogError(ex, "Error validating IBN entry {Person}", person);
}
// Update progress
numComplete++;
double percent = numComplete;
percent /= numPeople;
subProgress.Report(100 * percent);
}
var deadEntities = _libraryManager.GetItemList(new InternalItemsQuery
{
IncludeItemTypes = [BaseItemKind.Person],
IsDeadPerson = true,
IsLocked = false
});
subProgress = new Progress<double>((val) => progress.Report((val / 2) + 50));
var i = 0;
foreach (var item in deadEntities.Chunk(500))
{
_libraryManager.DeleteItemsUnsafeFast(item);
subProgress.Report(100f / deadEntities.Count * (i++ * 100));
}
progress.Report(100);
_logger.LogInformation("People validation complete");
}
}
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