90 lines
2.8 KiB
C#
90 lines
2.8 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Jellyfin.Data.Events;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Session;
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using MediaBrowser.Model.Tasks;
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using Microsoft.Extensions.Logging;
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namespace Jellyfin.Api.WebSocketListeners;
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/// <summary>
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/// Class ScheduledTasksWebSocketListener.
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/// </summary>
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public class ScheduledTasksWebSocketListener : BasePeriodicWebSocketListener<IEnumerable<TaskInfo>, WebSocketListenerState>
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{
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/// <summary>
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/// Gets or sets the task manager.
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/// </summary>
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/// <value>The task manager.</value>
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private readonly ITaskManager _taskManager;
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private bool _disposed;
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/// <summary>
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/// Initializes a new instance of the <see cref="ScheduledTasksWebSocketListener"/> class.
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/// </summary>
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/// <param name="logger">Instance of the <see cref="ILogger{ScheduledTasksWebSocketListener}"/> interface.</param>
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/// <param name="taskManager">Instance of the <see cref="ITaskManager"/> interface.</param>
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public ScheduledTasksWebSocketListener(ILogger<ScheduledTasksWebSocketListener> logger, ITaskManager taskManager)
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: base(logger)
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{
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_taskManager = taskManager;
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_taskManager.TaskExecuting += OnTaskExecuting;
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_taskManager.TaskCompleted += OnTaskCompleted;
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}
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/// <inheritdoc />
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protected override SessionMessageType Type => SessionMessageType.ScheduledTasksInfo;
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/// <inheritdoc />
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protected override SessionMessageType StartType => SessionMessageType.ScheduledTasksInfoStart;
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/// <inheritdoc />
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protected override SessionMessageType StopType => SessionMessageType.ScheduledTasksInfoStop;
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/// <summary>
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/// Gets the data to send.
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/// </summary>
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/// <returns>Task{IEnumerable{TaskInfo}}.</returns>
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protected override Task<IEnumerable<TaskInfo>> GetDataToSend()
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{
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return Task.FromResult(_taskManager.ScheduledTasks
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.OrderBy(i => i.Name)
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.Select(ScheduledTaskHelpers.GetTaskInfo)
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.Where(i => !i.IsHidden));
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}
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/// <inheritdoc />
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protected override async ValueTask DisposeAsyncCore()
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{
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if (!_disposed)
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{
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_taskManager.TaskExecuting -= OnTaskExecuting;
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_taskManager.TaskCompleted -= OnTaskCompleted;
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_disposed = true;
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}
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await base.DisposeAsyncCore().ConfigureAwait(false);
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}
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private void OnTaskCompleted(object? sender, TaskCompletionEventArgs e)
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{
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e.Task.TaskProgress -= OnTaskProgress;
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SendData(true);
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}
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private void OnTaskExecuting(object? sender, GenericEventArgs<IScheduledTaskWorker> e)
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{
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SendData(true);
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e.Argument.TaskProgress += OnTaskProgress;
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}
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private void OnTaskProgress(object? sender, GenericEventArgs<double> e)
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{
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SendData(false);
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}
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}
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