AppInsightService.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using Microsoft.ApplicationInsights;

namespace Infrastructure.Services
{
    public class AppInsightService : IAppInsightService
    {
        private TelemetryClient _telemetry;
        private Stopwatch _stopwatch;

        public AppInsightService(TelemetryClient telemetry)
        {
            _telemetry = telemetry;
            _stopwatch = new Stopwatch();
        }

        public void TimingStart()
        {
            if (_stopwatch == null) _stopwatch = new Stopwatch();
            _stopwatch.Restart();
        }

        private void TimingStop()
        {
            if (_stopwatch == null) return;
            _stopwatch.Stop();
        }

        private void TrackEvent(string eventName, IDictionary<string, string> properties = null, IDictionary<string, double> metrics = null)
        {
            _telemetry.TrackEvent(eventName, properties, metrics);
        }

        private void TrackException(Exception exception, IDictionary<string, string> properties = null, IDictionary<string, double> metrics = null)
        {
            _telemetry.TrackException(exception, properties, metrics);
        }

        public void TrackEvent(string eventName, IDictionary<string, string> properties = null, bool includeMetric = false)
        {
            Dictionary<string, double> metrics = null;

            if (includeMetric && _stopwatch != null)
            {
                TimingStop();
                metrics = new Dictionary<string, double>();
                metrics.Add("PROCESSING_TIME", _stopwatch.Elapsed.TotalMilliseconds);
            }

            TrackEvent(eventName, properties, metrics);
        }

        public void TrackException(Exception exception, IDictionary<string, string> properties = null, bool includeMetric = false)
        {
            Dictionary<string, double> metrics = null;

            if (includeMetric)
            {
                TimingStop();
                metrics = new Dictionary<string, double>();
                metrics.Add("PROCESSING_TIME", _stopwatch.Elapsed.TotalMilliseconds);
            }

            TrackException(exception, properties, metrics);
        }
    }
}