public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequestMessage req, TraceWriter log)
{
//Get image byte array from request
var content = await req.Content.ReadAsByteArrayAsync();
if (content == null || content.Length == 0)
{
return(req.CreateResponse(HttpStatusCode.BadRequest, "Request content is empty."));
}
else
{
log.Info($"found binary content->Size: {content.Length} bytes");
}
//Use correlationId to identify each session and results
var correlationID = req.GetCorrelationId().ToString();
//Pass byte array to object detector app service
var objectDetector = new ObjectDetectionAppService();
var result = await objectDetector.GetPredictionAsync(content);
if (result != null)
{
await objectDetector.SaveResults(result, correlationID);
await objectDetector.SaveResults(content, correlationID, "original.png");
await objectDetector.SaveResults(content.DrawRectangle(result), correlationID, "predicted.png");
byte[] jsonContent = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(result));
await objectDetector.SaveResults(jsonContent, correlationID, "results.json");
}
return(req.CreateResponse(HttpStatusCode.OK, correlationID));
}
public async Task <JsonResult> callBackEnd(string correlationId)
{
//Pass byte array to object detector app service
var objectDetector = new ObjectDetectionAppService();
byte[] content = await objectDetector.GetFile(correlationId, "original.png");
var html = "";
var result = await objectDetector.GetPredictionAsync(content);
if (result != null)
{
byte[] jsonContent = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(result));
await saveResults(correlationId, objectDetector, content, result, jsonContent);
var groupBox = await objectDetector.CreateGroupBoxAsync(result);
html = this.RenderViewToString2 <GroupBox>("/Views/Layout/RawGroupBox2.cshtml", groupBox);
await saveResults2(correlationId, objectDetector, groupBox, html);
}
return(Json(new { id = correlationId, generatedHtml = html }));
}