public static async Task Run()

in Azure WAF/Alert - Process Azure FrontDoor Alerts/ProcessAFDAlerts.cs [49:90]
34 lines of code
4 McCabe index (conditional complexity)

        public static async Task<IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)]
            HttpRequest req,
            ILogger log)
        {
            // 1. Parse the alert message from the incoming request's body
            var requestBody = await new StreamReader(req.Body).ReadToEndAsync();

            AlertBody alertBody;
            try
            {
                alertBody = JsonConvert.DeserializeObject<AlertBody>(requestBody);
            }
            catch (Exception e)
            {
                return new BadRequestObjectResult("Failed to deserialize the request body");
            }

            if (alertBody == null)
            {
                return new BadRequestObjectResult("AlertBody is null");
            }

            // 2. Extract info from the alert
            var alertInfo = new AlertInfo()
            {
                Country = alertBody.data.alertContext.condition.allOf[0].dimensions[0].value
            };

            // 3. Check if the alert was fired/activated or resolved/deactivated
            if (alertBody.data.essentials.monitorCondition == "Fired")
            {
                alertInfo.baselineThreshold = Convert.ToInt32(Convert.ToDouble(alertBody.data.alertContext.condition.allOf[0].threshold)) + 1;
                await HandleAlertFired(log, alertInfo);
            }
            else
            {
                await HandleAlertResolved(log, alertInfo);
            }

            return new OkObjectResult("All done ... ");
        }