Added ConfigWriter class. Updated AV Funciton Driver UI classes to show shutdown prompt when room about to shut down for vacancy.

PepperDashEssentials/Config/ConfigWriter.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharp.CrestronIO;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using PepperDash.Core;
+using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Config;
+
+namespace PepperDash.Essentials
+{
+    public class ConfigWriter
+    {
+
+        public static bool WriteConfig()
+        {
+            bool success = false;
+
+            Debug.Console(0, Debug.ErrorLogLevel.Notice, "Writing Configuration to file");
+
+            var fileLock = new CCriticalSection();
+
+
+            var filePath = Global.FilePathPrefix + "LocalConfig" + Global.DirectorySeparator + "configurationFile.json";
+
+            Debug.Console(0, Debug.ErrorLogLevel.Notice, "Attempting to write config file: '{0}'", filePath);
+
+            var configData = JsonConvert.SerializeObject(ConfigReader.ConfigObject);
+
+            try
+            {
+
+                if (fileLock.TryEnter())
+                {
+                    using (StreamWriter sw = new StreamWriter(filePath))
+                    {
+                        sw.Write(configData);
+                        sw.Flush();
+                    }
+
+                    success = true;
+                }
+                else
+                {
+                    Debug.Console(0, Debug.ErrorLogLevel.Error, "Unable to enter FileLock");
+                    success = false;
+                }
+            }
+            catch (Exception e)
+            {
+                Debug.Console(0, Debug.ErrorLogLevel.Error, "Error: Config write failed: \r{0}", e);
+                success = false;
+            }
+            finally
+            {
+                if (fileLock != null && !fileLock.Disposed)
+                    fileLock.Leave();
+                
+            }
+
+            return success;
+        }
+    }
+}