PlanTempusApp/PlanTempus.Components/Users/Create/CreateUserHandlerDecorator.cs

using System.Diagnostics;
using Microsoft.ApplicationInsights;
using Microsoft.ApplicationInsights.DataContracts;

namespace PlanTempus.Components.Users.Create;

public class CreateUserHandlerDecorator(
    ICommandHandler<CreateUserCommand, CreateUserResult> decoratedHandler,
    TelemetryClient telemetryClient)
    : ICommandHandler<CreateUserCommand, CreateUserResult>, ICommandHandlerDecorator
{
    public async Task<CreateUserResult> Handle(CreateUserCommand command)
    {
        // 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;
            }
        }
    }
}