Adds Decorator, wip

PlanTempus.Components/Users/Create/CreateUserHandlerDecorator.cs

@@ -1,25 +1,41 @@
-using Microsoft.ApplicationInsights;
+using System.Diagnostics;
+using Microsoft.ApplicationInsights;
+using Microsoft.ApplicationInsights.DataContracts;
 
 namespace PlanTempus.Components.Users.Create;
 
-public class CreateUserHandlerDecorator : ICommandHandler<CreateUserCommand, CreateUserResult>
+public class CreateUserHandlerDecorator(
+    ICommandHandler<CreateUserCommand, CreateUserResult> decoratedHandler,
+    TelemetryClient telemetryClient)
+    : ICommandHandler<CreateUserCommand, CreateUserResult>, ICommandHandlerDecorator
 {
-    private readonly ICommandHandler<CreateUserCommand, CreateUserResult> _decoratedHandler;
-    private readonly TelemetryClient _telemetryClient;
-
-    public CreateUserHandlerDecorator(
-        ICommandHandler<CreateUserCommand, CreateUserResult> decoratedHandler,
-        TelemetryClient telemetryClient)
-    {
-        _decoratedHandler = decoratedHandler;
-        _telemetryClient = telemetryClient;
-    }
-
     public async Task<CreateUserResult> Handle(CreateUserCommand command)
     {
-        _telemetryClient.TrackTrace($"Before handling {nameof(CreateUserCommand)}");
-        var result = await _decoratedHandler.Handle(command);
-        _telemetryClient.TrackTrace($"After handling {nameof(CreateUserCommand)}");
-        return result;
+        // var correlationId = Activity.Current?.RootId ?? command.CorrelationId;
+
+        using (var operation =
+               telemetryClient.StartOperation<RequestTelemetry>($"Handle {nameof(CreateUserCommand)}",
+                   command.CorrelationId.ToString()))
+        {
+            try
+            {
+                operation.Telemetry.Properties["CorrelationId"] = command.CorrelationId.ToString();
+                var result = await decoratedHandler.Handle(command);
+
+                operation.Telemetry.Success = true;
+
+                return result;
+            }
+            catch (Exception ex)
+            {
+                operation.Telemetry.Success = false;
+
+                telemetryClient.TrackException(ex, new Dictionary<string, string>
+                {
+                    ["CommandType"] = nameof(CreateUserCommand)
+                });
+                throw;
+            }
+        }
     }
-}
+}