private async Task HandleGetStatusRequestAsync()

in src/WebJobs.Extensions.DurableTask/HttpApiHandler.cs [455:514]
47 lines of code
9 McCabe index (conditional complexity)

        private async Task<HttpResponseMessage> HandleGetStatusRequestAsync(
            HttpRequestMessage request)
        {
            IDurableOrchestrationClient client = this.GetClient(request);
            var queryNameValuePairs = request.GetQueryNameValuePairs();

            var condition = new OrchestrationStatusQueryCondition();

            if (TryGetStringQueryParameterValue(queryNameValuePairs, InstanceIdPrefixParameter, out string instanceIdPrefix))
            {
                condition.InstanceIdPrefix = instanceIdPrefix;
            }

            if (TryGetDateTimeQueryParameterValue(queryNameValuePairs, CreatedTimeFromParameter, out DateTime createdTimeFrom))
            {
                condition.CreatedTimeFrom = createdTimeFrom;
            }

            if (TryGetDateTimeQueryParameterValue(queryNameValuePairs, CreatedTimeToParameter, out DateTime createdTimeTo))
            {
                condition.CreatedTimeTo = createdTimeTo;
            }

            if (TryGetIEnumerableQueryParameterValue<OrchestrationRuntimeStatus>(queryNameValuePairs, RuntimeStatusParameter, out IEnumerable<OrchestrationRuntimeStatus> runtimeStatus))
            {
                condition.RuntimeStatus = runtimeStatus;
            }

            if (TryGetBooleanQueryParameterValue(queryNameValuePairs, ShowInputParameter, out bool showInput))
            {
                condition.ShowInput = showInput;
            }

            if (TryGetIntQueryParameterValue(queryNameValuePairs, PageSizeParameter, out int pageSize))
            {
                condition.PageSize = pageSize;
            }

            if (request.Headers.TryGetValues("x-ms-continuation-token", out var headerValues))
            {
                condition.ContinuationToken = headerValues.FirstOrDefault();
            }

            IList<DurableOrchestrationStatus> statusForAllInstances;

            var context = await client.ListInstancesAsync(condition, CancellationToken.None);
            statusForAllInstances = context.DurableOrchestrationState.ToList();
            var nextContinuationToken = context.ContinuationToken;

            var results = new List<StatusResponsePayload>(statusForAllInstances.Count);
            foreach (var state in statusForAllInstances)
            {
                results.Add(ConvertFrom(state));
            }

            var response = request.CreateResponse(HttpStatusCode.OK, results);

            response.Headers.Add("x-ms-continuation-token", nextContinuationToken);
            return response;
        }