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75 lines
2.3 KiB
C#
75 lines
2.3 KiB
C#
using MediaBrowser.Common.Net;
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using MediaBrowser.Common.ScheduledTasks;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Tasks;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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namespace MediaBrowser.Api.ScheduledTasks
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{
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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>, object>
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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 ITaskManager TaskManager { get; set; }
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/// <summary>
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/// Gets the name.
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/// </summary>
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/// <value>The name.</value>
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protected override string Name
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{
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get { return "ScheduledTasksInfo"; }
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}
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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">The logger.</param>
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/// <param name="taskManager">The task manager.</param>
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public ScheduledTasksWebSocketListener(ILogger logger, ITaskManager taskManager)
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: base(logger)
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{
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TaskManager = taskManager;
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}
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private bool _lastResponseHadTasksRunning = true;
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/// <summary>
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/// Gets the data to send.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <returns>Task{IEnumerable{TaskInfo}}.</returns>
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protected override Task<IEnumerable<TaskInfo>> GetDataToSend(object state)
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{
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var tasks = TaskManager.ScheduledTasks.ToList();
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var anyRunning = tasks.Any(i => i.State != TaskState.Idle);
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if (anyRunning)
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{
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_lastResponseHadTasksRunning = true;
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}
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else
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{
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if (!_lastResponseHadTasksRunning)
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{
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return Task.FromResult<IEnumerable<TaskInfo>>(null);
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}
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_lastResponseHadTasksRunning = false;
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}
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return Task.FromResult(tasks
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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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}
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}
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