Aggiunto progetto gestione TaskScheduler

Steamware.Scheduler/SchedulerService.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Steamware.Scheduler
+{
+  /// <summary>
+  /// Classe di gestione Scheduler scadenziabili
+  /// </summary>
+  public class SchedulerService
+  {
+    private static SchedulerService _instance;
+    private List<Timer> timers = new List<Timer>();
+
+    private SchedulerService() { }
+
+    public static SchedulerService Instance => _instance ?? (_instance = new SchedulerService());
+
+    public void ScheduleTask(int hour, int min, double intervalInHour, Action task)
+    {
+      DateTime now = DateTime.Now;
+      DateTime firstRun = new DateTime(now.Year, now.Month, now.Day, hour, min, 0, 0);
+      if (now > firstRun)
+      {
+        firstRun = firstRun.AddDays(1);
+      }
+
+      TimeSpan timeToGo = firstRun - now;
+      if (timeToGo <= TimeSpan.Zero)
+      {
+        timeToGo = TimeSpan.Zero;
+      }
+
+      var timer = new Timer(x =>
+      {
+        task.Invoke();
+      }, null, timeToGo, TimeSpan.FromHours(intervalInHour));
+
+      timers.Add(timer);
+    }
+  } 
+}