Implemented LightParametersThatTurnsOffAfter convenience method.

src/CodeCasa.AutomationPipelines.Lights/Extensions/LightPipelineContextExtensions.cs

@@ -0,0 +1,50 @@
+using CodeCasa.Lights;
+using System.Reactive.Concurrency;
+using CodeCasa.AutomationPipelines.Lights.Context;
+using CodeCasa.AutomationPipelines.Lights.Nodes;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace CodeCasa.AutomationPipelines.Lights.Extensions
+{
+    /// <summary>
+    /// Extension methods for <see cref="ILightPipelineContext"/>.
+    /// </summary>
+    public static class LightPipelineContextExtensions
+    {
+        /// <summary>
+        /// Creates a pipeline node that applies the specified light parameters and automatically turns off the light after a specified duration.
+        /// The timeout is not reset by any external events.
+        /// </summary>
+        /// <param name="context">The light pipeline context.</param>
+        /// <param name="lightParameters">The light parameters to apply as a transition.</param>
+        /// <param name="timeSpan">The duration after which the light should turn off.</param>
+        /// <returns>A pipeline node that applies the light parameters and handles the turn-off behavior.</returns>
+        public static IPipelineNode<LightTransition> LightParametersThatTurnsOffAfter(this ILightPipelineContext context,
+            LightParameters lightParameters,
+            TimeSpan timeSpan)
+        {
+            var scheduler = context.ServiceProvider.GetRequiredService<IScheduler>();
+            var innerNode = new StaticLightTransitionNode(lightParameters.AsTransition(), scheduler);
+            return innerNode.TurnOffAfter(timeSpan, scheduler);
+        }
+
+        /// <summary>
+        /// Creates a pipeline node that applies the specified light parameters and automatically turns off the light after a specified duration.
+        /// The timeout can be reset when the observable emits a value.
+        /// </summary>
+        /// <typeparam name="T">The type of elements emitted by the reset timer observable.</typeparam>
+        /// <param name="context">The light pipeline context.</param>
+        /// <param name="lightParameters">The light parameters to apply as a transition.</param>
+        /// <param name="timeSpan">The duration after which the light should turn off.</param>
+        /// <param name="resetTimerObservable">An observable that resets the turn-off timer when it emits.</param>
+        /// <returns>A pipeline node that applies the light parameters and handles the turn-off behavior.</returns>
+        public static IPipelineNode<LightTransition> LightParametersThatTurnsOffAfter<T>(this ILightPipelineContext context,
+            LightParameters lightParameters,
+            TimeSpan timeSpan, IObservable<T> resetTimerObservable)
+        {
+            var scheduler = context.ServiceProvider.GetRequiredService<IScheduler>();
+            var innerNode = new StaticLightTransitionNode(lightParameters.AsTransition(), scheduler);
+            return innerNode.TurnOffAfter(timeSpan, resetTimerObservable, scheduler);
+        }
+    }
+}