public static IActionResult GetFacetGraphNodes()

in JfkWebApiSkills/JfkWebApiSkills/JfkWebAPISkills.cs [22:45]
21 lines of code
8 McCabe index (conditional complexity)

        public static IActionResult GetFacetGraphNodes([HttpTrigger(AuthorizationLevel.Function, "get", Route = null)]HttpRequest req, TraceWriter log, ExecutionContext executionContext)
        {
            string skillName = executionContext.FunctionName;
            if (!req.QueryString.HasValue)
            {
                return new BadRequestObjectResult($"{skillName} - Requires a query string in the following format: q=oswald&f=entities");
            }

            string searchServiceName = GetAppSetting("SearchServiceName");
            string searchServiceApiKey = GetAppSetting("SearchServiceApiKey");
            string indexName = String.IsNullOrEmpty(req.Headers["IndexName"]) ? Config.AZURE_SEARCH_INDEX_NAME : (string)req.Headers["IndexName"];
            if (String.IsNullOrEmpty(searchServiceName) || String.IsNullOrEmpty(searchServiceApiKey) || String.IsNullOrEmpty(indexName))
            {
                return new BadRequestObjectResult($"{skillName} - Information for the search service is missing");
            }
            SearchClientHelper searchClient = new SearchClientHelper(searchServiceName, searchServiceApiKey, indexName);

            FacetGraphGenerator facetGraphGenerator = new FacetGraphGenerator(searchClient);
            string query = string.IsNullOrEmpty(req.Query["q"].FirstOrDefault()) ? "*" : req.Query["q"].First();
            string facet = string.IsNullOrEmpty(req.Query["f"].FirstOrDefault()) ? "entities" : req.Query["f"].First();
            JObject facetGraph = facetGraphGenerator.GetFacetGraphNodes(query, facet);

            return (ActionResult)new OkObjectResult(facetGraph);
        }