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Luke Pulverenti
361
Emby.Server.Implementations/Data/CleanDatabaseScheduledTask.cs
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361
Emby.Server.Implementations/Data/CleanDatabaseScheduledTask.cs
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using MediaBrowser.Common.Progress;
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using MediaBrowser.Controller.Configuration;
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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.Globalization;
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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.IO;
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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.Controller.IO;
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using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.Tasks;
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using Emby.Server.Implementations.ScheduledTasks;
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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 IServerConfigurationManager _config;
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private readonly IFileSystem _fileSystem;
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private readonly IHttpServer _httpServer;
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private readonly ILocalizationManager _localization;
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private readonly ITaskManager _taskManager;
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public const int MigrationVersion = 23;
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public static bool EnableUnavailableMessage = false;
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const int LatestSchemaVersion = 109;
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public CleanDatabaseScheduledTask(ILibraryManager libraryManager, IItemRepository itemRepo, ILogger logger, IServerConfigurationManager config, IFileSystem fileSystem, IHttpServer httpServer, ILocalizationManager localization, ITaskManager taskManager)
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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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_config = config;
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_fileSystem = fileSystem;
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_httpServer = httpServer;
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_localization = localization;
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_taskManager = taskManager;
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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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OnProgress(0);
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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 = .4 * p;
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OnProgress(newPercentCommplete);
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progress.Report(newPercentCommplete);
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});
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await UpdateToLatestSchema(cancellationToken, innerProgress).ConfigureAwait(false);
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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 = 40 + .05 * p;
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OnProgress(newPercentCommplete);
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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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OnProgress(newPercentCommplete);
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progress.Report(newPercentCommplete);
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});
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await CleanDeletedItems(cancellationToken, innerProgress).ConfigureAwait(false);
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progress.Report(100);
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await _itemRepo.UpdateInheritedValues(cancellationToken).ConfigureAwait(false);
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if (_config.Configuration.MigrationVersion < MigrationVersion)
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{
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_config.Configuration.MigrationVersion = MigrationVersion;
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_config.SaveConfiguration();
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}
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if (_config.Configuration.SchemaVersion < LatestSchemaVersion)
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{
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_config.Configuration.SchemaVersion = LatestSchemaVersion;
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_config.SaveConfiguration();
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}
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if (EnableUnavailableMessage)
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{
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EnableUnavailableMessage = false;
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_httpServer.GlobalResponse = null;
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_taskManager.QueueScheduledTask<RefreshMediaLibraryTask>();
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}
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_taskManager.SuspendTriggers = false;
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}
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private void OnProgress(double newPercentCommplete)
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{
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if (EnableUnavailableMessage)
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{
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var html = "<!doctype html><html><head><title>Emby</title></head><body>";
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var text = _localization.GetLocalizedString("DbUpgradeMessage");
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html += string.Format(text, newPercentCommplete.ToString("N2", CultureInfo.InvariantCulture));
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html += "<script>setTimeout(function(){window.location.reload(true);}, 5000);</script>";
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html += "</body></html>";
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_httpServer.GlobalResponse = html;
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}
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}
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private async Task UpdateToLatestSchema(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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IsCurrentSchema = false,
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ExcludeItemTypes = new[] { typeof(LiveTvProgram).Name }
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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("Upgrading schema for {0} items", numItems);
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var list = new List<BaseItem>();
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foreach (var itemId in itemIds)
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{
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cancellationToken.ThrowIfCancellationRequested();
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if (itemId != Guid.Empty)
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{
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// Somehow some invalid data got into the db. It probably predates the boundary checking
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var item = _libraryManager.GetItemById(itemId);
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if (item != null)
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{
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list.Add(item);
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}
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}
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if (list.Count >= 1000)
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{
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try
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{
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await _itemRepo.SaveItems(list, cancellationToken).ConfigureAwait(false);
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}
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catch (OperationCanceledException)
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{
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throw;
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error saving item", ex);
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}
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list.Clear();
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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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if (list.Count > 0)
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{
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try
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{
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await _itemRepo.SaveItems(list, cancellationToken).ConfigureAwait(false);
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}
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catch (OperationCanceledException)
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{
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throw;
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error saving item", ex);
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}
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}
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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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private async Task CleanDeletedItems(CancellationToken cancellationToken, IProgress<double> progress)
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{
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var result = _itemRepo.GetItemIdsWithPath(new InternalItemsQuery
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{
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LocationTypes = new[] { LocationType.FileSystem },
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//Limit = limit,
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// These have their own cleanup routines
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ExcludeItemTypes = new[]
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{
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typeof(Person).Name,
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typeof(Genre).Name,
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typeof(MusicGenre).Name,
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typeof(GameGenre).Name,
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typeof(Studio).Name,
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typeof(Year).Name,
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typeof(Channel).Name,
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typeof(AggregateFolder).Name,
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typeof(CollectionFolder).Name
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}
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});
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var numComplete = 0;
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var numItems = result.Items.Length;
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foreach (var item in result.Items)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var path = item.Item2;
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try
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{
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if (_fileSystem.FileExists(path) || _fileSystem.DirectoryExists(path))
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{
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continue;
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}
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var libraryItem = _libraryManager.GetItemById(item.Item1);
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if (libraryItem.IsTopParent)
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{
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continue;
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}
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var hasDualAccess = libraryItem as IHasDualAccess;
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if (hasDualAccess != null && hasDualAccess.IsAccessedByName)
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{
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continue;
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}
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var libraryItemPath = libraryItem.Path;
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if (!string.Equals(libraryItemPath, path, StringComparison.OrdinalIgnoreCase))
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{
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_logger.Error("CleanDeletedItems aborting delete for item {0}-{1} because paths don't match. {2}---{3}", libraryItem.Id, libraryItem.Name, libraryItem.Path ?? string.Empty, path ?? string.Empty);
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continue;
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}
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if (Folder.IsPathOffline(path))
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{
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await libraryItem.UpdateIsOffline(true).ConfigureAwait(false);
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continue;
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}
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_logger.Info("Deleting item from database {0} because path no longer exists. type: {1} path: {2}", libraryItem.Name, libraryItem.GetType().Name, libraryItemPath ?? string.Empty);
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await libraryItem.OnFileDeleted().ConfigureAwait(false);
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}
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catch (OperationCanceledException)
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{
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throw;
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error in CleanDeletedItems. File {0}", ex, path);
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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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}
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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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}
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