move all scheduled tasks and triggers into folders

Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs

@@ -0,0 +1,182 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Class ChapterImagesTask
+    /// </summary>
+    class ChapterImagesTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+        /// <summary>
+        /// The _library manager
+        /// </summary>
+        private readonly ILibraryManager _libraryManager;
+
+        private readonly IItemRepository _itemRepo;
+
+        private readonly IApplicationPaths _appPaths;
+
+        private readonly IEncodingManager _encodingManager;
+        private readonly IFileSystem _fileSystem;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ChapterImagesTask" /> class.
+        /// </summary>
+        public ChapterImagesTask(ILoggerFactory loggerFactory, ILibraryManager libraryManager, IItemRepository itemRepo, IApplicationPaths appPaths, IEncodingManager encodingManager, IFileSystem fileSystem)
+        {
+            _logger = loggerFactory.CreateLogger(GetType().Name);
+            _libraryManager = libraryManager;
+            _itemRepo = itemRepo;
+            _appPaths = appPaths;
+            _encodingManager = encodingManager;
+            _fileSystem = fileSystem;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
+        {
+            return new[] {
+
+                new TaskTriggerInfo
+                {
+                    Type = TaskTriggerInfo.TriggerDaily,
+                    TimeOfDayTicks = TimeSpan.FromHours(2).Ticks,
+                    MaxRuntimeTicks = TimeSpan.FromHours(4).Ticks
+                }
+            };
+        }
+
+        public string Key => "RefreshChapterImages";
+
+        /// <summary>
+        /// Returns the task to be executed
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            var videos = _libraryManager.GetItemList(new InternalItemsQuery
+            {
+                MediaTypes = new[] { MediaType.Video },
+                IsFolder = false,
+                Recursive = true,
+                DtoOptions = new DtoOptions(false)
+                {
+                    EnableImages = false
+                },
+                SourceTypes = new SourceType[] { SourceType.Library },
+                HasChapterImages = false,
+                IsVirtualItem = false
+
+            })
+                .OfType<Video>()
+                .ToList();
+
+            var numComplete = 0;
+
+            var failHistoryPath = Path.Combine(_appPaths.CachePath, "chapter-failures.txt");
+
+            List<string> previouslyFailedImages;
+
+            if (File.Exists(failHistoryPath))
+            {
+                try
+                {
+                    previouslyFailedImages = File.ReadAllText(failHistoryPath)
+                        .Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)
+                        .ToList();
+                }
+                catch (IOException)
+                {
+                    previouslyFailedImages = new List<string>();
+                }
+            }
+            else
+            {
+                previouslyFailedImages = new List<string>();
+            }
+
+            var directoryService = new DirectoryService(_logger, _fileSystem);
+
+            foreach (var video in videos)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var key = video.Path + video.DateModified.Ticks;
+
+                var extract = !previouslyFailedImages.Contains(key, StringComparer.OrdinalIgnoreCase);
+
+                try
+                {
+                    var chapters = _itemRepo.GetChapters(video);
+
+                    var success = await _encodingManager.RefreshChapterImages(video, directoryService, chapters, extract, true, cancellationToken).ConfigureAwait(false);
+
+                    if (!success)
+                    {
+                        previouslyFailedImages.Add(key);
+
+                        var parentPath = Path.GetDirectoryName(failHistoryPath);
+
+                        Directory.CreateDirectory(parentPath);
+
+                        string text = string.Join("|", previouslyFailedImages);
+                        File.WriteAllText(failHistoryPath, text);
+                    }
+
+                    numComplete++;
+                    double percent = numComplete;
+                    percent /= videos.Count;
+
+                    progress.Report(100 * percent);
+                }
+                catch (ObjectDisposedException)
+                {
+                    //TODO Investigate and properly fix.
+                    break;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name => "Chapter image extraction";
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description => "Creates thumbnails for videos that have chapters.";
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        public string Category => "Library";
+    }
+}