public static IActionResult GetFacetGraphNodes([HttpTrigger(AuthorizationLevel.Function, "post", 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));
}
public FacetGraphGenerator(SearchClientHelper searchClient)
{
_searchHelper = searchClient;
}
