| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using System.IO; |
| | | 4 | | using System.Linq; |
| | | 5 | | using System.Threading; |
| | | 6 | | using System.Threading.Tasks; |
| | | 7 | | using MediaBrowser.Common.Configuration; |
| | | 8 | | using MediaBrowser.Controller.IO; |
| | | 9 | | using MediaBrowser.Model.Globalization; |
| | | 10 | | using MediaBrowser.Model.IO; |
| | | 11 | | using MediaBrowser.Model.Tasks; |
| | | 12 | | using Microsoft.Extensions.Logging; |
| | | 13 | | |
| | | 14 | | namespace Emby.Server.Implementations.ScheduledTasks.Tasks |
| | | 15 | | { |
| | | 16 | | /// <summary> |
| | | 17 | | /// Deletes old cache files. |
| | | 18 | | /// </summary> |
| | | 19 | | public class DeleteCacheFileTask : IScheduledTask, IConfigurableScheduledTask |
| | | 20 | | { |
| | | 21 | | /// <summary> |
| | | 22 | | /// Gets or sets the application paths. |
| | | 23 | | /// </summary> |
| | | 24 | | /// <value>The application paths.</value> |
| | | 25 | | private readonly IApplicationPaths _applicationPaths; |
| | | 26 | | private readonly ILogger<DeleteCacheFileTask> _logger; |
| | | 27 | | private readonly IFileSystem _fileSystem; |
| | | 28 | | private readonly ILocalizationManager _localization; |
| | | 29 | | |
| | | 30 | | /// <summary> |
| | | 31 | | /// Initializes a new instance of the <see cref="DeleteCacheFileTask" /> class. |
| | | 32 | | /// </summary> |
| | | 33 | | /// <param name="appPaths">Instance of the <see cref="IApplicationPaths"/> interface.</param> |
| | | 34 | | /// <param name="logger">Instance of the <see cref="ILogger"/> interface.</param> |
| | | 35 | | /// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param> |
| | | 36 | | /// <param name="localization">Instance of the <see cref="ILocalizationManager"/> interface.</param> |
| | | 37 | | public DeleteCacheFileTask( |
| | | 38 | | IApplicationPaths appPaths, |
| | | 39 | | ILogger<DeleteCacheFileTask> logger, |
| | | 40 | | IFileSystem fileSystem, |
| | | 41 | | ILocalizationManager localization) |
| | | 42 | | { |
| | 21 | 43 | | _applicationPaths = appPaths; |
| | 21 | 44 | | _logger = logger; |
| | 21 | 45 | | _fileSystem = fileSystem; |
| | 21 | 46 | | _localization = localization; |
| | 21 | 47 | | } |
| | | 48 | | |
| | | 49 | | /// <inheritdoc /> |
| | 21 | 50 | | public string Name => _localization.GetLocalizedString("TaskCleanCache"); |
| | | 51 | | |
| | | 52 | | /// <inheritdoc /> |
| | 0 | 53 | | public string Description => _localization.GetLocalizedString("TaskCleanCacheDescription"); |
| | | 54 | | |
| | | 55 | | /// <inheritdoc /> |
| | 0 | 56 | | public string Category => _localization.GetLocalizedString("TasksMaintenanceCategory"); |
| | | 57 | | |
| | | 58 | | /// <inheritdoc /> |
| | 0 | 59 | | public string Key => "DeleteCacheFiles"; |
| | | 60 | | |
| | | 61 | | /// <inheritdoc /> |
| | 0 | 62 | | public bool IsHidden => false; |
| | | 63 | | |
| | | 64 | | /// <inheritdoc /> |
| | 0 | 65 | | public bool IsEnabled => true; |
| | | 66 | | |
| | | 67 | | /// <inheritdoc /> |
| | 0 | 68 | | public bool IsLogged => true; |
| | | 69 | | |
| | | 70 | | /// <inheritdoc /> |
| | | 71 | | public IEnumerable<TaskTriggerInfo> GetDefaultTriggers() |
| | | 72 | | { |
| | 21 | 73 | | return |
| | 21 | 74 | | [ |
| | 21 | 75 | | // Every so often |
| | 21 | 76 | | new TaskTriggerInfo { Type = TaskTriggerInfoType.IntervalTrigger, IntervalTicks = TimeSpan.FromHours(24) |
| | 21 | 77 | | ]; |
| | | 78 | | } |
| | | 79 | | |
| | | 80 | | /// <inheritdoc /> |
| | | 81 | | public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken) |
| | | 82 | | { |
| | 0 | 83 | | var minDateModified = DateTime.UtcNow.AddDays(-30); |
| | | 84 | | |
| | | 85 | | try |
| | | 86 | | { |
| | 0 | 87 | | DeleteCacheFilesFromDirectory(_applicationPaths.CachePath, minDateModified, progress, cancellationToken) |
| | 0 | 88 | | } |
| | 0 | 89 | | catch (DirectoryNotFoundException) |
| | | 90 | | { |
| | | 91 | | // No biggie here. Nothing to delete |
| | 0 | 92 | | } |
| | | 93 | | |
| | 0 | 94 | | progress.Report(90); |
| | | 95 | | |
| | 0 | 96 | | minDateModified = DateTime.UtcNow.AddDays(-1); |
| | | 97 | | |
| | | 98 | | try |
| | | 99 | | { |
| | 0 | 100 | | DeleteCacheFilesFromDirectory(_applicationPaths.TempDirectory, minDateModified, progress, cancellationTo |
| | 0 | 101 | | } |
| | 0 | 102 | | catch (DirectoryNotFoundException) |
| | | 103 | | { |
| | | 104 | | // No biggie here. Nothing to delete |
| | 0 | 105 | | } |
| | | 106 | | |
| | 0 | 107 | | return Task.CompletedTask; |
| | | 108 | | } |
| | | 109 | | |
| | | 110 | | /// <summary> |
| | | 111 | | /// Deletes the cache files from directory with a last write time less than a given date. |
| | | 112 | | /// </summary> |
| | | 113 | | /// <param name="directory">The directory.</param> |
| | | 114 | | /// <param name="minDateModified">The min date modified.</param> |
| | | 115 | | /// <param name="progress">The progress.</param> |
| | | 116 | | /// <param name="cancellationToken">The task cancellation token.</param> |
| | | 117 | | private void DeleteCacheFilesFromDirectory(string directory, DateTime minDateModified, IProgress<double> progres |
| | | 118 | | { |
| | 0 | 119 | | var filesToDelete = _fileSystem.GetFiles(directory, true) |
| | 0 | 120 | | .Where(f => _fileSystem.GetLastWriteTimeUtc(f) < minDateModified) |
| | 0 | 121 | | .ToList(); |
| | | 122 | | |
| | 0 | 123 | | var index = 0; |
| | | 124 | | |
| | 0 | 125 | | foreach (var file in filesToDelete) |
| | | 126 | | { |
| | 0 | 127 | | double percent = index; |
| | 0 | 128 | | percent /= filesToDelete.Count; |
| | | 129 | | |
| | 0 | 130 | | progress.Report(100 * percent); |
| | | 131 | | |
| | 0 | 132 | | cancellationToken.ThrowIfCancellationRequested(); |
| | | 133 | | |
| | 0 | 134 | | FileSystemHelper.DeleteFile(_fileSystem, file.FullName, _logger); |
| | | 135 | | |
| | 0 | 136 | | index++; |
| | | 137 | | } |
| | | 138 | | |
| | 0 | 139 | | FileSystemHelper.DeleteEmptyFolders(_fileSystem, directory, _logger); |
| | | 140 | | |
| | 0 | 141 | | progress.Report(100); |
| | 0 | 142 | | } |
| | | 143 | | } |
| | | 144 | | } |