jellyfin/Emby.Server.Implementations/Data/CleanDatabaseScheduledTask.cs

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using System;
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using System.Threading;
using System.Threading.Tasks;
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using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.Data
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{
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public class CleanDatabaseScheduledTask : ILibraryPostScanTask
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{
private readonly ILibraryManager _libraryManager;
private readonly IItemRepository _itemRepo;
private readonly ILogger _logger;
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private readonly IFileSystem _fileSystem;
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private readonly IApplicationPaths _appPaths;
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public CleanDatabaseScheduledTask(ILibraryManager libraryManager, IItemRepository itemRepo, ILogger logger, IFileSystem fileSystem, IApplicationPaths appPaths)
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{
_libraryManager = libraryManager;
_itemRepo = itemRepo;
_logger = logger;
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_fileSystem = fileSystem;
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_appPaths = appPaths;
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}
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public Task Run(IProgress<double> progress, CancellationToken cancellationToken)
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{
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CleanDeadItems(cancellationToken, progress);
return Task.CompletedTask;
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}
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private void CleanDeadItems(CancellationToken cancellationToken, IProgress<double> progress)
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{
var itemIds = _libraryManager.GetItemIds(new InternalItemsQuery
{
HasDeadParentId = true
});
var numComplete = 0;
var numItems = itemIds.Count;
_logger.LogDebug("Cleaning {0} items with dead parent links", numItems);
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foreach (var itemId in itemIds)
{
cancellationToken.ThrowIfCancellationRequested();
var item = _libraryManager.GetItemById(itemId);
if (item != null)
{
_logger.LogInformation("Cleaning item {0} type: {1} path: {2}", item.Name, item.GetType().Name, item.Path ?? string.Empty);
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_libraryManager.DeleteItem(item, new DeleteOptions
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{
DeleteFileLocation = false
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});
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}
numComplete++;
double percent = numComplete;
percent /= numItems;
progress.Report(percent * 100);
}
progress.Report(100);
}
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}
}