1. using System;
2. using System.Collections.Generic;
3. using ABB.Ability.Cloud.DCS.Core.ApplicationTracking;
4. using ABB.Ability.Common.Logging;
5. using Microsoft.ApplicationInsights;
6.  
7. namespace ABB.Ability.Cloud.DCS.PlatformEventProcessor.Handler
8. {
9.     public class MeasureAndLogTimer : IDisposable
10.     {
11.         private readonly TelemetryClient _telemetryClient;
12.         private readonly string _correlationId;
13.         private readonly Microsoft.Extensions.Logging.ILogger<LogExecutionTimeEventProcessorHandlerDecorator> _logger;
14.         private readonly IStopwatch _stopwatch;
15.         private readonly DateTime _startTime;
16.  
17.         public MeasureAndLogTimer(string correlationId,
18.             TelemetryClient telemetryClientProvider,
19.             Microsoft.Extensions.Logging.ILogger<LogExecutionTimeEventProcessorHandlerDecorator> logger,
20.             IStopwatch stopwatch)
21.         {
22.             _correlationId = correlationId;
23.             _telemetryClient = telemetryClientProvider;
24.             _logger = logger;
25.             _stopwatch = stopwatch;
26.             _startTime = _stopwatch.Start();
27.             _logger.Info(correlationId, $"Start processing time: {_startTime}");
28.         }
29.  
30.         public void Dispose()
31.         {
32.             DateTime endTime = _stopwatch.Stop();
33.             TimeSpan elapsedTimeSpan = _stopwatch.Elapsed();
34.             _logger.Info(_correlationId, $"Stop processing time: { endTime }. " +
35.                                          $"Duration processing time: { elapsedTimeSpan }");
36.  
37.             var properties = InitializeDictionary(_startTime, endTime, elapsedTimeSpan);
38.  
39.             _telemetryClient.TrackEvent("Processing time: ", properties);
40.             _telemetryClient.Flush();
41.         }
42.  
43.         private Dictionary<string, string> InitializeDictionary(DateTime startTime, DateTime endTime, TimeSpan elapsedTimeSpan)
44.         {
45.             var properties = new Dictionary<string, string>()
46.             {
47.                 {"StartTime", startTime.ToString()},
48.                 {"EndTime", endTime.ToString()},
49.                 {"Duration", elapsedTimeSpan.ToString()}
50.             };
51.  
52.             return properties;
53.         }
54.     }
55. }