From 07791d46a571d3d6eed23e98ec0fe1c46ea0d37f Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sun, 23 Oct 2016 15:14:57 -0400
Subject: rework scheduled tasks in preparation of common project going
 portable

---
 .../ScheduledTasks/DailyTrigger.cs                 | 91 ++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 MediaBrowser.Common.Implementations/ScheduledTasks/DailyTrigger.cs

(limited to 'MediaBrowser.Common.Implementations/ScheduledTasks/DailyTrigger.cs')

diff --git a/MediaBrowser.Common.Implementations/ScheduledTasks/DailyTrigger.cs b/MediaBrowser.Common.Implementations/ScheduledTasks/DailyTrigger.cs
new file mode 100644
index 000000000..3d33e958d
--- /dev/null
+++ b/MediaBrowser.Common.Implementations/ScheduledTasks/DailyTrigger.cs
@@ -0,0 +1,91 @@
+using MediaBrowser.Model.Events;
+using MediaBrowser.Model.Tasks;
+using System;
+using System.Globalization;
+using System.Threading;
+using MediaBrowser.Model.Logging;
+
+namespace MediaBrowser.Common.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));
+            }
+        }
+    }
+}
-- 
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