Combining repos

Essentials Core/PepperDashEssentialsBase/Monitoring/StatusMonitorCollection.cs

@@ -0,0 +1,123 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro.DeviceSupport;
+
+using System.ComponentModel;
+
+using PepperDash.Core;
+
+
+namespace PepperDash.Essentials.Core
+{
+	/// <summary>
+	/// 
+	/// </summary>
+	public class StatusMonitorCollection : IStatusMonitor
+	{
+		public IKeyed Parent { get; private set; }
+
+		List<IStatusMonitor> Monitors = new List<IStatusMonitor>();
+
+		#region IStatusMonitor Members
+
+		public event EventHandler<MonitorStatusChangeEventArgs> StatusChange;
+
+		public MonitorStatus Status { get; protected set; }
+
+		public string Message { get; private set; }
+
+
+		public StatusMonitorCollection(IKeyed parent)
+		{
+			Parent = parent;
+		}
+
+		public void Start()
+		{
+			foreach (var mon in Monitors)
+				mon.StatusChange += mon_StatusChange;
+			ProcessStatuses();
+		}
+
+
+		void ProcessStatuses()
+		{
+			var InError = Monitors.Where(m => m.Status == MonitorStatus.InError);
+			var InWarning = Monitors.Where(m => m.Status == MonitorStatus.InWarning);
+			var IsOk = Monitors.Where(m => m.Status == MonitorStatus.IsOk);
+
+
+			MonitorStatus initialStatus;
+			string prefix = "0:";
+			if (InError.Count() > 0)
+			{
+				initialStatus = MonitorStatus.InError;
+				prefix = "3:";
+			}
+			else if (InWarning.Count() > 0)
+			{
+				initialStatus = MonitorStatus.InWarning;
+				prefix = "2:";
+			}
+			else if (InWarning.Count() > 0)
+				initialStatus = MonitorStatus.IsOk;
+			else
+				initialStatus = MonitorStatus.StatusUnknown;
+
+			// Build the error message string
+			if (InError.Count() > 0 || InWarning.Count() > 0)
+			{
+				StringBuilder sb = new StringBuilder(prefix);
+				if (InError.Count() > 0)
+				{
+					// Do string splits and joins 
+					sb.Append(string.Format("{0} Errors:", InError.Count()));
+					foreach (var mon in InError)
+						sb.Append(string.Format("{0}, ", mon.Parent.Key));
+				}
+				if (InWarning.Count() > 0)
+				{
+					sb.Append(string.Format("{0} Warnings:", InWarning.Count()));
+					foreach (var mon in InWarning)
+						sb.Append(string.Format("{0}, ", mon.Parent.Key));
+				}
+				Message = sb.ToString();
+			}
+
+			// Want to fire even if status doesn't change because the message may.
+			Status = initialStatus;
+			OnStatusChange(initialStatus, Message);
+		}
+
+
+		void mon_StatusChange(object sender, MonitorStatusChangeEventArgs e)
+		{
+			ProcessStatuses();
+		}
+
+		public void Stop()
+		{
+			throw new NotImplementedException();
+		}
+
+		#endregion
+
+		public void AddMonitor(IStatusMonitor monitor)
+		{
+			if (!Monitors.Contains(monitor))
+				Monitors.Add(monitor);
+		}
+
+
+		protected void OnStatusChange(MonitorStatus status, string message)
+		{
+			var handler = StatusChange;
+			if (handler != null)
+				handler(this, new MonitorStatusChangeEventArgs(status, message));
+		}
+	}
+}