public IActionResult Add()

in src/Relecloud.Web.CallCenter/Controllers/CartController.cs [71:104]

• 26 lines of code
• 4 McCabe index (conditional complexity)

        public IActionResult Add(int concertId, int count)
        {
            if (ModelState.IsValid)
            {
                try
                {
                    var cartData = GetCartData();
                    if (!cartData.ContainsKey(concertId))
                    {
                        cartData.Add(concertId, 0);
                    }
                    cartData[concertId] = cartData[concertId] + count;
                    SetCartData(cartData);
                    // Most custom telemetry should go through OpenTelemetry APIs,
                    // but Azure Monitor's OpenTelemetry SDK does not support custom events yet.
                    // https://learn.microsoft.com/azure/azure-monitor/app/opentelemetry-add-modify#send-custom-telemetry-using-the-application-insights-classic-api
                    // https://learn.microsoft.com/azure/azure-monitor/app/opentelemetry-add-modify#whats-the-current-release-state-of-features-within-the-azure-monitor-opentelemetry-distro
                    this.telemetryClient.TrackEvent("AddToCart", new Dictionary<string, string> {
                        { "ConcertId", concertId.ToString() },
                        { "Count", count.ToString() }
                    });

                    // An alternative which wouldn't require AppInsights SDK usage is to log traces.
                    // Note that these will appear as traces in Application Insights rather than true
                    // separately queryable custom events. But they may work for some scenarios.
                    this.logger.LogInformation("Concert {ConcertId} (count {Count}) added to cart", concertId, count);
                }
                catch (Exception ex)
                {
                    this.logger.LogError(ex, $"Unable to add {concertId} to cart");
                }
            }
            return RedirectToAction(nameof(Index));
        }