Implemented Device Usage feature for Fusion.

Essentials Core/PepperDashEssentialsBase/Crestron/CrestronGenericBaseDevice.cs

@@ -13,7 +13,7 @@ namespace PepperDash.Essentials.Core
 	/// <summary>
 	/// A bridge class to cover the basic features of GenericBase hardware
 	/// </summary>
-	public class CrestronGenericBaseDevice : Device, IOnline, IHasFeedback, ICommunicationMonitor
+	public class CrestronGenericBaseDevice : Device, IOnline, IHasFeedback, ICommunicationMonitor, IUsageTracking
 	{
 		public virtual GenericBase Hardware { get; protected set; }
 
@@ -87,7 +87,13 @@ namespace PepperDash.Essentials.Core
 		#region IStatusMonitor Members
 
 		public StatusMonitorBase CommunicationMonitor { get; private set; }
-		#endregion
+		#endregion
+
+        #region IUsageTracking Members
+
+        public UsageTracking UsageTracker { get; set; }
+
+        #endregion
 	}
 
 	//***********************************************************************************

Essentials Core/PepperDashEssentialsBase/Devices/IUsageTracking.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+namespace PepperDash.Essentials.Core
+{
+    public interface IUsageTracking
+    {
+        UsageTracking UsageTracker { get; set; }
+    }
+
+    //public static class IUsageTrackingExtensions
+    //{
+    //    public static void EnableUsageTracker(this IUsageTracking device)
+    //    {
+    //        device.UsageTracker = new UsageTracking();
+    //    }
+    //}
+
+    public class UsageTracking
+    {
+        public event EventHandler<DeviceUsageEventArgs> DeviceUsageEnded;
+
+        public InUseTracking InUseTracker { get; protected set; }
+
+        public bool UsageIsTracked { get; set; }
+        public DateTime UsageStartTime { get; protected set; }
+        public DateTime UsageEndTime { get; protected set; }
+
+        public UsageTracking()
+        {
+            InUseTracker.InUseFeedback.OutputChange +=new EventHandler<EventArgs>(InUseFeedback_OutputChange);
+        }
+
+        void  InUseFeedback_OutputChange(object sender, EventArgs e)
+        {
+ 	        if(InUseTracker.InUseFeedback.BoolValue)
+            {
+                StartDeviceUsage();
+            }
+            else
+            {
+                EndDeviceUsage();
+            }
+        }
+
+
+        /// <summary>
+        /// Stores the usage start time
+        /// </summary>
+        public void StartDeviceUsage()
+        {
+            UsageStartTime = DateTime.Now;
+        }
+
+        /// <summary>
+        /// Calculates the difference between the usage start and end times, gets the total minutes used and fires an event to pass that info to a consumer
+        /// </summary>
+        public void EndDeviceUsage()
+        {
+            UsageEndTime = DateTime.Now;
+
+            var timeUsed = UsageEndTime - UsageStartTime;
+
+            var handler = DeviceUsageEnded;
+
+            if (handler != null)
+            {
+                handler(this, new DeviceUsageEventArgs() { UsageEndTime = UsageEndTime, MinutesUsed = timeUsed.Minutes });
+            }
+        }
+    }
+
+    public class DeviceUsageEventArgs : EventArgs
+    {
+        public DateTime UsageEndTime { get; set; }
+        public int MinutesUsed { get; set; }
+    }
+}

Essentials Core/PepperDashEssentialsBase/Display/DisplayBase.cs

@@ -16,12 +16,14 @@ namespace PepperDash.Essentials.Core
 	/// <summary>
 	/// 
 	/// </summary>
-	public abstract class DisplayBase : Device, IHasFeedback, IRoutingSinkWithSwitching, IPower, IWarmingCooling
+	public abstract class DisplayBase : Device, IHasFeedback, IRoutingSinkWithSwitching, IPower, IWarmingCooling, IUsageTracking
 	{
 		public BoolFeedback PowerIsOnFeedback { get; protected set; }
 		public BoolFeedback IsCoolingDownFeedback { get; protected set; }
 		public BoolFeedback IsWarmingUpFeedback { get; private set; }
 
+        public UsageTracking UsageTracker { get; set; }
+
 		public uint WarmupTime { get; set; }
 		public uint CooldownTime { get; set; }
 
@@ -77,7 +79,7 @@ namespace PepperDash.Essentials.Core
 	/// <summary>
 	/// 
 	/// </summary>
-	public abstract class TwoWayDisplayBase : DisplayBase
+    public abstract class TwoWayDisplayBase : DisplayBase
 	{
         public StringFeedback CurrentInputFeedback { get; private set; }
 
@@ -104,6 +106,8 @@ namespace PepperDash.Essentials.Core
 			CooldownTime = 15000;
 
             Feedbacks.Add(CurrentInputFeedback);
+
+            
 		}
 
 	}

Essentials Core/PepperDashEssentialsBase/PepperDash_Essentials_Core.csproj

@@ -115,6 +115,7 @@
     <Compile Include="Config\DeviceConfig.cs" />
     <Compile Include="Constants\CommonCues.cs" />
     <Compile Include="Devices\DisplayUiConstants.cs" />
+    <Compile Include="Devices\IUsageTracking.cs" />
     <Compile Include="Devices\REMOVE DeviceConfig.cs" />
     <Compile Include="Devices\DeviceJsonApi.cs" />
     <Compile Include="Devices\SourceListItem.cs" />