jellyfin-server/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs

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C#
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using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Persistence;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Library.Validators
{
/// <summary>
/// Class ArtistsValidator
/// </summary>
public class ArtistsValidator
{
/// <summary>
/// The _library manager
/// </summary>
private readonly ILibraryManager _libraryManager;
/// <summary>
/// The _logger
/// </summary>
private readonly ILogger _logger;
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private readonly IItemRepository _itemRepo;
/// <summary>
/// Initializes a new instance of the <see cref="ArtistsPostScanTask" /> class.
/// </summary>
/// <param name="libraryManager">The library manager.</param>
/// <param name="logger">The logger.</param>
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public ArtistsValidator(ILibraryManager libraryManager, ILogger logger, IItemRepository itemRepo)
{
_libraryManager = libraryManager;
_logger = logger;
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_itemRepo = itemRepo;
}
/// <summary>
/// Runs the specified progress.
/// </summary>
/// <param name="progress">The progress.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public async Task Run(IProgress<double> progress, CancellationToken cancellationToken)
{
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var names = _itemRepo.GetAllArtistNames();
var numComplete = 0;
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var count = names.Count;
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foreach (var name in names)
{
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try
{
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var item = _libraryManager.GetArtist(name);
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await item.RefreshMetadata(cancellationToken).ConfigureAwait(false);
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}
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catch (OperationCanceledException)
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{
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// Don't clutter the log
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throw;
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}
catch (Exception ex)
{
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_logger.LogError(ex, "Error refreshing {ArtistName}", name);
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}
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numComplete++;
double percent = numComplete;
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percent /= count;
percent *= 100;
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progress.Report(percent);
}
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var deadEntities = _libraryManager.GetItemList(new InternalItemsQuery
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{
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IncludeItemTypes = new[] { typeof(MusicArtist).Name },
IsDeadArtist = true,
IsLocked = false
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}).Cast<MusicArtist>().ToList();
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foreach (var item in deadEntities)
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{
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if (!item.IsAccessedByName)
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{
continue;
}
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_logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
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_libraryManager.DeleteItem(item, new DeleteOptions
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{
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DeleteFileLocation = false
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}, false);
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}
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progress.Report(100);
}
}
}