public static CustomVisionViewModel Analyzed(CustomVisionRequest request, CustomVisionResponse response)
{
if (!string.IsNullOrWhiteSpace(response.ApiRequestErrorMessage) ||
!string.IsNullOrWhiteSpace(response.ApiRequestErrorContent) ||
!string.IsNullOrWhiteSpace(response.OtherErrorMessage) ||
!string.IsNullOrWhiteSpace(response.OtherErrorContent))
{
return(new CustomVisionViewModel
{
IsAnalyzed = false,
CustomVisionAnalyzeRequest = request,
CustomVisionAnalyzeResponse = null,
ApiRequestErrorMessage = response.ApiRequestErrorMessage,
ApiRequestErrorContent = response.ApiRequestErrorContent,
OtherErrorMessage = response.OtherErrorMessage,
OtherErrorContent = response.OtherErrorContent
});
}
return(new CustomVisionViewModel
{
IsAnalyzed = true,
CustomVisionAnalyzeRequest = request,
CustomVisionAnalyzeResponse = response
});
}
public IActionResult Index(ICollection <IFormFile> files)
{
CustomVisionResponse FinalCustomVisionResponse =
new CustomVisionResponse();
if (!Request.HasFormContentType)
{
return(BadRequest());
}
// Get the Form
var form = Request.Form;
// Process the first file passed
// (only one file should be passed)
var file = form.Files[0];
// Process file
using (var readStream = file.OpenReadStream())
{
// Create a HttpClient to make the request
using (HttpClient client = new HttpClient())
{
// Set Prediction Key in the request headers
client.DefaultRequestHeaders.Add("Prediction-Key", _PredictionKey);
// Serialize Request
MultipartFormDataContent _multiPartContent =
new MultipartFormDataContent();
StreamContent _imageData =
new StreamContent(readStream);
_imageData.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
ContentDispositionHeaderValue _contentDispositionHeaderValue =
new ContentDispositionHeaderValue("form-data");
_contentDispositionHeaderValue.Name = "imageData";
_contentDispositionHeaderValue.FileName = file.Name;
_imageData.Headers.ContentDisposition = _contentDispositionHeaderValue;
_multiPartContent.Add(_imageData, "imageData");
// Make the request to the Custom Vision API
HttpResponseMessage response =
client.PostAsync(_PredictionURL, _multiPartContent).Result;
// Get the response
string ResponseContent = response.Content.ReadAsStringAsync().Result;
// Convert the response to the CustomVisionResponse object
CustomVisionResponse TempCustomVisionResponse =
JsonConvert.DeserializeObject <CustomVisionResponse>(ResponseContent);
// Create the FinalCustomVisionResponse and set the main values to
// the values in TempCustomVisionResponse
FinalCustomVisionResponse.Id = TempCustomVisionResponse.Id;
FinalCustomVisionResponse.Created = TempCustomVisionResponse.Created;
FinalCustomVisionResponse.Iteration = TempCustomVisionResponse.Iteration;
FinalCustomVisionResponse.Project = TempCustomVisionResponse.Project;
FinalCustomVisionResponse.Predictions = new List <Prediction>();
// The Predictions collection contains probabilities that are
// in scientific notation that need to be converted to a percentage
foreach (var Prediction in TempCustomVisionResponse.Predictions)
{
// Make a Prediction object and set it to
// the values in TempCustomVisionResponse.Predictions
Prediction objPrediction = new Prediction();
objPrediction.TagId = Prediction.TagId;
objPrediction.Tag = Prediction.Tag;
objPrediction.Link = "https://onsitesolutionspt.weebly.com/" + Prediction.Tag;
// Convert the Probability to a decimal
Decimal dProbability = 0;
Decimal.TryParse(Prediction.Probability, out dProbability);
// Convert the decimal to a percentage
objPrediction.Probability = dProbability.ToString("#0.##%");
// Add the Prediction object to the Predictions
Int32 precentage = Convert.ToInt32(Math.Round(dProbability, 2) * 100);
if (precentage >= 75)
{
FinalCustomVisionResponse.Predictions.Add(objPrediction);
}
}
}
}
// Return the CustomVisionResponse to the Angular application
return(Ok(FinalCustomVisionResponse));
}
