jellyfin/MediaBrowser.Server.Implementations/Persistence/CleanDatabaseScheduledTask.cs
2016-02-11 23:54:00 -05:00

308 lines
11 KiB
C#

using MediaBrowser.Common.Progress;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using CommonIO;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Localization;
using MediaBrowser.Controller.Net;
using MediaBrowser.Server.Implementations.ScheduledTasks;
namespace MediaBrowser.Server.Implementations.Persistence
{
public class CleanDatabaseScheduledTask : IScheduledTask
{
private readonly ILibraryManager _libraryManager;
private readonly IItemRepository _itemRepo;
private readonly ILogger _logger;
private readonly IServerConfigurationManager _config;
private readonly IFileSystem _fileSystem;
private readonly IHttpServer _httpServer;
private readonly ILocalizationManager _localization;
private readonly ITaskManager _taskManager;
public const int MigrationVersion = 20;
public static bool EnableUnavailableMessage = false;
public CleanDatabaseScheduledTask(ILibraryManager libraryManager, IItemRepository itemRepo, ILogger logger, IServerConfigurationManager config, IFileSystem fileSystem, IHttpServer httpServer, ILocalizationManager localization, ITaskManager taskManager)
{
_libraryManager = libraryManager;
_itemRepo = itemRepo;
_logger = logger;
_config = config;
_fileSystem = fileSystem;
_httpServer = httpServer;
_localization = localization;
_taskManager = taskManager;
}
public string Name
{
get { return "Clean Database"; }
}
public string Description
{
get { return "Deletes obsolete content from the database."; }
}
public string Category
{
get { return "Library"; }
}
public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
{
OnProgress(0);
// Ensure these objects are lazy loaded.
// Without this there is a deadlock that will need to be investigated
var rootChildren = _libraryManager.RootFolder.Children.ToList();
rootChildren = _libraryManager.GetUserRootFolder().Children.ToList();
var innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(p =>
{
double newPercentCommplete = .4 * p;
OnProgress(newPercentCommplete);
progress.Report(newPercentCommplete);
});
await UpdateToLatestSchema(cancellationToken, innerProgress).ConfigureAwait(false);
innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(p =>
{
double newPercentCommplete = 40 + (.05 * p);
OnProgress(newPercentCommplete);
progress.Report(newPercentCommplete);
});
await CleanDeadItems(cancellationToken, innerProgress).ConfigureAwait(false);
progress.Report(45);
innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(p =>
{
double newPercentCommplete = 45 + (.55 * p);
OnProgress(newPercentCommplete);
progress.Report(newPercentCommplete);
});
await CleanDeletedItems(cancellationToken, innerProgress).ConfigureAwait(false);
progress.Report(100);
await _itemRepo.UpdateInheritedValues(cancellationToken).ConfigureAwait(false);
if (_config.Configuration.MigrationVersion < MigrationVersion)
{
_config.Configuration.MigrationVersion = MigrationVersion;
_config.SaveConfiguration();
}
if (EnableUnavailableMessage)
{
EnableUnavailableMessage = false;
_httpServer.GlobalResponse = null;
_taskManager.QueueScheduledTask<RefreshMediaLibraryTask>();
}
_taskManager.SuspendTriggers = false;
}
private void OnProgress(double newPercentCommplete)
{
if (EnableUnavailableMessage)
{
var html = "<!doctype html><html><head><title>Emby</title></head><body>";
var text = _localization.GetLocalizedString("DbUpgradeMessage");
html += string.Format(text, newPercentCommplete.ToString("N2", CultureInfo.InvariantCulture));
html += "<script>setTimeout(function(){window.location.reload(true);}, 5000);</script>";
html += "</body></html>";
_httpServer.GlobalResponse = html;
}
}
private async Task UpdateToLatestSchema(CancellationToken cancellationToken, IProgress<double> progress)
{
var itemIds = _libraryManager.GetItemIds(new InternalItemsQuery
{
IsCurrentSchema = false
});
var numComplete = 0;
var numItems = itemIds.Count;
_logger.Debug("Upgrading schema for {0} items", numItems);
foreach (var itemId in itemIds)
{
cancellationToken.ThrowIfCancellationRequested();
if (itemId != Guid.Empty)
{
// Somehow some invalid data got into the db. It probably predates the boundary checking
var item = _libraryManager.GetItemById(itemId);
if (item != null)
{
try
{
await _itemRepo.SaveItem(item, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
_logger.ErrorException("Error saving item", ex);
}
}
}
numComplete++;
double percent = numComplete;
percent /= numItems;
progress.Report(percent * 100);
}
progress.Report(100);
}
private async Task CleanDeadItems(CancellationToken cancellationToken, IProgress<double> progress)
{
var itemIds = _libraryManager.GetItemIds(new InternalItemsQuery
{
HasDeadParentId = true
});
var numComplete = 0;
var numItems = itemIds.Count;
_logger.Debug("Cleaning {0} items with dead parent links", numItems);
foreach (var itemId in itemIds)
{
cancellationToken.ThrowIfCancellationRequested();
var item = _libraryManager.GetItemById(itemId);
if (item != null)
{
_logger.Info("Cleaning item {0} type: {1} path: {2}", item.Name, item.GetType().Name, item.Path ?? string.Empty);
await item.Delete(new DeleteOptions
{
DeleteFileLocation = false
}).ConfigureAwait(false);
}
numComplete++;
double percent = numComplete;
percent /= numItems;
progress.Report(percent * 100);
}
progress.Report(100);
}
private async Task CleanDeletedItems(CancellationToken cancellationToken, IProgress<double> progress)
{
var result = _itemRepo.GetItemIdsWithPath(new InternalItemsQuery
{
LocationType = LocationType.FileSystem,
//Limit = limit,
// These have their own cleanup routines
ExcludeItemTypes = new[]
{
typeof(Person).Name,
typeof(Genre).Name,
typeof(MusicGenre).Name,
typeof(GameGenre).Name,
typeof(Studio).Name,
typeof(Year).Name,
typeof(Channel).Name,
typeof(AggregateFolder).Name,
typeof(CollectionFolder).Name
}
});
var numComplete = 0;
var numItems = result.Items.Length;
foreach (var item in result.Items)
{
cancellationToken.ThrowIfCancellationRequested();
var path = item.Item2;
try
{
if (_fileSystem.FileExists(path) || _fileSystem.DirectoryExists(path))
{
continue;
}
var libraryItem = _libraryManager.GetItemById(item.Item1);
if (libraryItem.IsTopParent)
{
continue;
}
if (Folder.IsPathOffline(path))
{
libraryItem.IsOffline = true;
await libraryItem.UpdateToRepository(ItemUpdateType.None, cancellationToken).ConfigureAwait(false);
continue;
}
_logger.Info("Deleting item from database {0} because path no longer exists. type: {1} path: {2}", libraryItem.Name, libraryItem.GetType().Name, libraryItem.Path ?? string.Empty);
await libraryItem.Delete(new DeleteOptions
{
DeleteFileLocation = false
}).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
_logger.ErrorException("Error in CleanDeletedItems. File {0}", ex, path);
}
numComplete++;
double percent = numComplete;
percent /= numItems;
progress.Report(percent * 100);
}
}
public IEnumerable<ITaskTrigger> GetDefaultTriggers()
{
return new ITaskTrigger[]
{
new IntervalTrigger{ Interval = TimeSpan.FromHours(24)}
};
}
}
}