From b2e42f966017f9b93ae4370257b3c469187aa787 Mon Sep 17 00:00:00 2001
From: Pavel Eremeev <digiwo@gmail.com>
Date: Fri, 8 Jan 2021 15:12:08 +0100
Subject: [PATCH] Added: IdleTime Sensor (in seconds) Changed: .net core 3.1 ->
 .NET 5.0

---
 UserInterface/UserInterface.csproj            |  2 +-
 .../InterProcessApi.cs                        |  3 +
 .../ServiceContractModels.cs                  |  3 +-
 .../Data/ConfigurationService.cs              |  3 +
 .../Domain/Sensors/IdleTimeSensor.cs          | 76 +++++++++++++++++++
 .../hass-workstation-service.csproj           |  6 +-
 6 files changed, 88 insertions(+), 5 deletions(-)
 create mode 100644 hass-workstation-service/Domain/Sensors/IdleTimeSensor.cs

diff --git a/UserInterface/UserInterface.csproj b/UserInterface/UserInterface.csproj
index 3938707..c29402c 100644
--- a/UserInterface/UserInterface.csproj
+++ b/UserInterface/UserInterface.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <Folder Include="Models\" />
diff --git a/hass-workstation-service/Communication/InterProcesCommunication/InterProcessApi.cs b/hass-workstation-service/Communication/InterProcesCommunication/InterProcessApi.cs
index dea8726..a677d71 100644
--- a/hass-workstation-service/Communication/InterProcesCommunication/InterProcessApi.cs
+++ b/hass-workstation-service/Communication/InterProcesCommunication/InterProcessApi.cs
@@ -109,6 +109,9 @@ namespace hass_workstation_service.Communication.InterProcesCommunication
                 case AvailableSensors.NamedWindowSensor:
                     sensorToCreate = new NamedWindowSensor(this._publisher, model.WindowName, model.Name, (int)model.UpdateInterval);
                     break;
+                case AvailableSensors.IdleTimeSensor:
+                    sensorToCreate = new IdleTimeSensor(this._publisher,(int)model.UpdateInterval, model.Name);
+                    break;
                 default:
                     Log.Logger.Error("Unknown sensortype");
                     break;
diff --git a/hass-workstation-service/Communication/InterProcesCommunication/ServiceContractModels.cs b/hass-workstation-service/Communication/InterProcesCommunication/ServiceContractModels.cs
index 9fc20e5..e55a055 100644
--- a/hass-workstation-service/Communication/InterProcesCommunication/ServiceContractModels.cs
+++ b/hass-workstation-service/Communication/InterProcesCommunication/ServiceContractModels.cs
@@ -37,6 +37,7 @@ namespace hass_workstation_service.Communication.InterProcesCommunication.Models
         WMIQuerySensor,
         MemoryUsageSensor,
         ActiveWindowSensor,
-        NamedWindowSensor
+        NamedWindowSensor,
+        IdleTimeSensor
     }
 }
diff --git a/hass-workstation-service/Data/ConfigurationService.cs b/hass-workstation-service/Data/ConfigurationService.cs
index d46bd6c..3c8711d 100644
--- a/hass-workstation-service/Data/ConfigurationService.cs
+++ b/hass-workstation-service/Data/ConfigurationService.cs
@@ -91,6 +91,9 @@ namespace hass_workstation_service.Data
                     case "NamedWindowSensor":
                         sensor = new NamedWindowSensor(publisher, configuredSensor.WindowName, configuredSensor.Name, configuredSensor.UpdateInterval, configuredSensor.Id);
                         break;
+                    case "IdleTimeSensor":
+                        sensor = new IdleTimeSensor(publisher, configuredSensor.UpdateInterval, configuredSensor.Name, configuredSensor.Id);
+                        break;
                     default:
                         Log.Logger.Error("unsupported sensor type in config");
                         break;
diff --git a/hass-workstation-service/Domain/Sensors/IdleTimeSensor.cs b/hass-workstation-service/Domain/Sensors/IdleTimeSensor.cs
new file mode 100644
index 0000000..25ca311
--- /dev/null
+++ b/hass-workstation-service/Domain/Sensors/IdleTimeSensor.cs
@@ -0,0 +1,76 @@
+using hass_workstation_service.Communication;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using HWND = System.IntPtr;
+
+namespace hass_workstation_service.Domain.Sensors
+{
+    public class IdleTimeSensor : AbstractSensor
+    {
+        
+        public IdleTimeSensor(MqttPublisher publisher, int? updateInterval = 10, string name = "IdleTime", Guid id = default) : base(publisher, name ?? "IdleTime", updateInterval ?? 10, id)
+        {
+        
+
+        }
+
+        public override AutoDiscoveryConfigModel GetAutoDiscoveryConfig()
+        {
+            return this._autoDiscoveryConfigModel ?? SetAutoDiscoveryConfigModel(new AutoDiscoveryConfigModel()
+            {
+                Name = this.Name,
+                Unique_id = this.Id.ToString(),
+                Device = this.Publisher.DeviceConfigModel,
+                State_topic = $"homeassistant/sensor/{this.Name}/state",
+                Icon = "mdi:window-maximize",
+            });
+        }
+
+        public override string GetState()
+        {
+
+            return GetLastInputTime().ToString();
+        }
+
+
+        
+
+        static int GetLastInputTime()
+        {
+            int idleTime = 0;
+            LASTINPUTINFO lastInputInfo = new LASTINPUTINFO();
+            lastInputInfo.cbSize = Marshal.SizeOf(lastInputInfo);
+            lastInputInfo.dwTime = 0;
+
+            int envTicks = Environment.TickCount;
+
+            if (GetLastInputInfo(ref lastInputInfo))
+            {
+                int lastInputTick = Convert.ToInt32(lastInputInfo.dwTime);
+
+                idleTime = envTicks - lastInputTick;
+            }
+
+            return ((idleTime > 0) ? (idleTime / 1000) : idleTime);
+        }
+
+
+
+        [DllImport("User32.dll")]
+        private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);
+
+        [StructLayout(LayoutKind.Sequential)]
+        struct LASTINPUTINFO
+        {
+            public static readonly int SizeOf = Marshal.SizeOf(typeof(LASTINPUTINFO));
+
+            [MarshalAs(UnmanagedType.U4)]
+            public int cbSize;
+            [MarshalAs(UnmanagedType.U4)]
+            public UInt32 dwTime;
+        }
+    }
+}
diff --git a/hass-workstation-service/hass-workstation-service.csproj b/hass-workstation-service/hass-workstation-service.csproj
index 0757d67..1e61b3b 100644
--- a/hass-workstation-service/hass-workstation-service.csproj
+++ b/hass-workstation-service/hass-workstation-service.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk.Worker">
+<Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <UserSecretsId>dotnet-hass_workstation_service-C65C2EBE-1977-4C24-AC6B-6921877E1390</UserSecretsId>
     <RootNamespace>hass_workstation_service</RootNamespace>
     <OutputType>WinExe</OutputType>
@@ -30,7 +30,7 @@
 
   <ItemGroup>
     <Content Include="UserInterface.exe">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>
   </ItemGroup>