88 lines
2.5 KiB
C#
88 lines
2.5 KiB
C#
using System;
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using System.Globalization;
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using System.Threading;
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using MediaBrowser.Model.Tasks;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.ScheduledTasks
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{
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/// <summary>
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/// Represents a task trigger that fires everyday
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/// </summary>
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public class DailyTrigger : ITaskTrigger
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{
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/// <summary>
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/// Get the time of day to trigger the task to run
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/// </summary>
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/// <value>The time of day.</value>
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public TimeSpan TimeOfDay { get; set; }
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/// <summary>
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/// Gets or sets the options of this task.
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/// </summary>
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public TaskOptions TaskOptions { get; set; }
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/// <summary>
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/// Gets or sets the timer.
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/// </summary>
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/// <value>The timer.</value>
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private Timer Timer { get; set; }
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/// <summary>
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/// Stars waiting for the trigger action
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/// </summary>
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/// <param name="lastResult">The last result.</param>
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/// <param name="isApplicationStartup">if set to <c>true</c> [is application startup].</param>
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public void Start(TaskResult lastResult, ILogger logger, string taskName, bool isApplicationStartup)
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{
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DisposeTimer();
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var now = DateTime.Now;
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var triggerDate = now.TimeOfDay > TimeOfDay ? now.Date.AddDays(1) : now.Date;
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triggerDate = triggerDate.Add(TimeOfDay);
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var dueTime = triggerDate - now;
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logger.LogInformation("Daily trigger for {0} set to fire at {1}, which is {2} minutes from now.", taskName, triggerDate.ToString(), dueTime.TotalMinutes.ToString(CultureInfo.InvariantCulture));
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Timer = new Timer(state => OnTriggered(), null, dueTime, TimeSpan.FromMilliseconds(-1));
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}
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/// <summary>
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/// Stops waiting for the trigger action
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/// </summary>
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public void Stop()
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{
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DisposeTimer();
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}
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/// <summary>
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/// Disposes the timer.
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/// </summary>
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private void DisposeTimer()
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{
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if (Timer != null)
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{
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Timer.Dispose();
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}
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}
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/// <summary>
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/// Occurs when [triggered].
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/// </summary>
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public event EventHandler<EventArgs> Triggered;
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/// <summary>
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/// Called when [triggered].
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/// </summary>
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private void OnTriggered()
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{
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if (Triggered != null)
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{
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Triggered(this, EventArgs.Empty);
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}
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}
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}
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}
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