repo creation with initial code after cloning public repo

2026-02-19 07:36:25 -05:00
commit 460884fea3
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+using System;
+using System.Threading;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Server.Implementations.ScheduledTasks.Triggers;
+
+/// <summary>
+/// Represents a task trigger that fires on a weekly basis.
+/// </summary>
+public sealed class WeeklyTrigger : ITaskTrigger, IDisposable
+{
+    private readonly TimeSpan _timeOfDay;
+    private readonly DayOfWeek _dayOfWeek;
+    private Timer? _timer;
+    private bool _disposed;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="WeeklyTrigger"/> class.
+    /// </summary>
+    /// <param name="timeOfDay">The time of day to trigger the task to run.</param>
+    /// <param name="dayOfWeek">The day of week.</param>
+    /// <param name="taskOptions">The options of this task.</param>
+    public WeeklyTrigger(TimeSpan timeOfDay, DayOfWeek dayOfWeek, TaskOptions taskOptions)
+    {
+        _timeOfDay = timeOfDay;
+        _dayOfWeek = dayOfWeek;
+        TaskOptions = taskOptions;
+    }
+
+    /// <inheritdoc />
+    public event EventHandler<EventArgs>? Triggered;
+
+    /// <inheritdoc />
+    public TaskOptions TaskOptions { get; }
+
+    /// <inheritdoc />
+    public void Start(TaskResult? lastResult, ILogger logger, string taskName, bool isApplicationStartup)
+    {
+        DisposeTimer();
+
+        var triggerDate = GetNextTriggerDateTime();
+
+        _timer = new Timer(_ => OnTriggered(), null, triggerDate - DateTime.Now, TimeSpan.FromMilliseconds(-1));
+    }
+
+    /// <summary>
+    /// Gets the next trigger date time.
+    /// </summary>
+    /// <returns>DateTime.</returns>
+    private DateTime GetNextTriggerDateTime()
+    {
+        var now = DateTime.Now;
+
+        // If it's on the same day
+        if (now.DayOfWeek == _dayOfWeek)
+        {
+            // It's either later today, or a week from now
+            return now.TimeOfDay < _timeOfDay ? now.Date.Add(_timeOfDay) : now.Date.AddDays(7).Add(_timeOfDay);
+        }
+
+        var triggerDate = now.Date;
+
+        // Walk the date forward until we get to the trigger day
+        while (triggerDate.DayOfWeek != _dayOfWeek)
+        {
+            triggerDate = triggerDate.AddDays(1);
+        }
+
+        // Return the trigger date plus the time offset
+        return triggerDate.Add(_timeOfDay);
+    }
+
+    /// <inheritdoc />
+    public void Stop()
+    {
+        DisposeTimer();
+    }
+
+    /// <summary>
+    /// Disposes the timer.
+    /// </summary>
+    private void DisposeTimer()
+    {
+        _timer?.Dispose();
+        _timer = null;
+    }
+
+    /// <summary>
+    /// Called when [triggered].
+    /// </summary>
+    private void OnTriggered()
+    {
+        Triggered?.Invoke(this, EventArgs.Empty);
+    }
+
+    /// <inheritdoc />
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        DisposeTimer();
+
+        _disposed = true;
+    }
+}