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jellyfin/Emby.Common.Implementations/ScheduledTasks/DailyTrigger.cs

92 lines
2.7 KiB

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