mirror of
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149 lines
5.1 KiB
C#
149 lines
5.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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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.Model.Tasks;
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using Microsoft.Extensions.Logging;
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using MediaBrowser.Model.Globalization;
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namespace Emby.Server.Implementations.ScheduledTasks.Tasks
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{
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/// <summary>
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/// Deletes all transcoding temp files
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/// </summary>
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public class DeleteTranscodeFileTask : IScheduledTask, IConfigurableScheduledTask
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{
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private readonly ILogger _logger;
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private readonly IConfigurationManager _configurationManager;
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private readonly IFileSystem _fileSystem;
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private readonly ILocalizationManager _localization;
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/// <summary>
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/// Initializes a new instance of the <see cref="DeleteTranscodeFileTask" /> class.
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/// </summary>
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public DeleteTranscodeFileTask(
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ILogger<DeleteTranscodeFileTask> logger,
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IFileSystem fileSystem,
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IConfigurationManager configurationManager,
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ILocalizationManager localization)
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{
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_logger = logger;
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_fileSystem = fileSystem;
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_configurationManager = configurationManager;
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_localization = localization;
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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() => new List<TaskTriggerInfo>();
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/// <summary>
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/// Returns the task to be executed.
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/// </summary>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress.</param>
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/// <returns>Task.</returns>
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public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
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{
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var minDateModified = DateTime.UtcNow.AddDays(-1);
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progress.Report(50);
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DeleteTempFilesFromDirectory(cancellationToken, _configurationManager.GetTranscodePath(), minDateModified, progress);
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return Task.CompletedTask;
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}
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/// <summary>
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/// Deletes the transcoded temp files from directory with a last write time less than a given date.
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/// </summary>
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/// <param name="cancellationToken">The task cancellation token.</param>
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/// <param name="directory">The directory.</param>
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/// <param name="minDateModified">The min date modified.</param>
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/// <param name="progress">The progress.</param>
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private void DeleteTempFilesFromDirectory(CancellationToken cancellationToken, string directory, DateTime minDateModified, IProgress<double> progress)
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{
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var filesToDelete = _fileSystem.GetFiles(directory, true)
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.Where(f => _fileSystem.GetLastWriteTimeUtc(f) < minDateModified)
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.ToList();
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var index = 0;
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foreach (var file in filesToDelete)
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{
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double percent = index;
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percent /= filesToDelete.Count;
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progress.Report(100 * percent);
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cancellationToken.ThrowIfCancellationRequested();
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DeleteFile(file.FullName);
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index++;
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}
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DeleteEmptyFolders(directory);
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progress.Report(100);
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}
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private void DeleteEmptyFolders(string parent)
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{
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foreach (var directory in _fileSystem.GetDirectoryPaths(parent))
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{
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DeleteEmptyFolders(directory);
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if (!_fileSystem.GetFileSystemEntryPaths(directory).Any())
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{
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try
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{
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Directory.Delete(directory, false);
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}
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catch (UnauthorizedAccessException ex)
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{
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_logger.LogError(ex, "Error deleting directory {path}", directory);
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}
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catch (IOException ex)
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{
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_logger.LogError(ex, "Error deleting directory {path}", directory);
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}
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}
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}
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}
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private void DeleteFile(string path)
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{
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try
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{
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_fileSystem.DeleteFile(path);
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}
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catch (UnauthorizedAccessException ex)
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{
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_logger.LogError(ex, "Error deleting file {path}", path);
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}
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catch (IOException ex)
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{
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_logger.LogError(ex, "Error deleting file {path}", path);
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}
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}
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public string Name => _localization.GetLocalizedString("TaskCleanTranscode");
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public string Description => _localization.GetLocalizedString("TaskCleanTranscodeDescription");
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public string Category => _localization.GetLocalizedString("TasksCategoryMaintenance");
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public string Key => "DeleteTranscodeFiles";
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public bool IsHidden => false;
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public bool IsEnabled => false;
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public bool IsLogged => true;
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}
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}
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