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135 lines
No EOL
4.4 KiB
C#
135 lines
No EOL
4.4 KiB
C#
using MediaBrowser.Common.Progress;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Controller.Channels;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Model.Tasks;
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namespace Emby.Server.Implementations.Data
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{
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public class CleanDatabaseScheduledTask : IScheduledTask
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{
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private readonly ILibraryManager _libraryManager;
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private readonly IItemRepository _itemRepo;
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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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{
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_libraryManager = libraryManager;
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_itemRepo = itemRepo;
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_logger = logger;
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_fileSystem = fileSystem;
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_appPaths = appPaths;
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}
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public string Name
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{
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get { return "Clean Database"; }
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}
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public string Description
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{
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get { return "Deletes obsolete content from the database."; }
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}
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public string Category
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{
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get { return "Library"; }
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}
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public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
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{
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// Ensure these objects are lazy loaded.
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// Without this there is a deadlock that will need to be investigated
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var rootChildren = _libraryManager.RootFolder.Children.ToList();
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rootChildren = _libraryManager.GetUserRootFolder().Children.ToList();
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var innerProgress = new ActionableProgress<double>();
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innerProgress.RegisterAction(p =>
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{
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double newPercentCommplete = .45 * p;
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progress.Report(newPercentCommplete);
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});
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await CleanDeadItems(cancellationToken, innerProgress).ConfigureAwait(false);
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progress.Report(45);
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innerProgress = new ActionableProgress<double>();
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innerProgress.RegisterAction(p =>
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{
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double newPercentCommplete = 45 + .55 * p;
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progress.Report(newPercentCommplete);
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});
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await _itemRepo.UpdateInheritedValues(cancellationToken).ConfigureAwait(false);
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progress.Report(100);
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}
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private async Task CleanDeadItems(CancellationToken cancellationToken, IProgress<double> progress)
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{
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var itemIds = _libraryManager.GetItemIds(new InternalItemsQuery
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{
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HasDeadParentId = true
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});
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var numComplete = 0;
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var numItems = itemIds.Count;
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_logger.Debug("Cleaning {0} items with dead parent links", numItems);
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foreach (var itemId in itemIds)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var item = _libraryManager.GetItemById(itemId);
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if (item != null)
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{
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_logger.Info("Cleaning item {0} type: {1} path: {2}", item.Name, item.GetType().Name, item.Path ?? string.Empty);
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await item.Delete(new DeleteOptions
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{
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DeleteFileLocation = false
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}).ConfigureAwait(false);
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}
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numComplete++;
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double percent = numComplete;
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percent /= numItems;
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progress.Report(percent * 100);
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}
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progress.Report(100);
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}
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/// <summary>
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/// Creates the triggers that define when the task will run
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/// </summary>
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/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
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public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
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{
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return new[] {
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// Every so often
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new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
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};
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}
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public string Key
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{
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get { return "CleanDatabase"; }
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}
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}
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} |