public async Task PostInformation(easytable data)
{
await this.table.InsertAsync(data);
}
async Task MakePredictionRequest(MediaFile file)
{
var client = new HttpClient();
client.DefaultRequestHeaders.Add("Prediction-Key", "dfc5b98ebe3f44c79cec1d603dae6a45");
string url = "https://southcentralus.api.cognitive.microsoft.com/customvision/v1.0/Prediction/054fb04e-8ef3-407f-94b1-95dfb8d138ae/image";
HttpResponseMessage response;
byte[] byteData = GetImageAsByteArray(file);
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
response = await client.PostAsync(url, content);
if (response.IsSuccessStatusCode)
{
//var responseString = await response.Content.ReadAsStringAsync();
//EvaluationModel responseModel = JsonConvert.DeserializeObject<EvaluationModel>(responseString);
//double max = responseModel.Predictions.Max(m => m.Probability);
//TagLabel.Text = (max >= 0.5) ? "That is the central business district" : "That is not the central business district";
//PredictionLabel.Text = Math.Round(max, 2).ToString();
//Test
var responseString = await response.Content.ReadAsStringAsync();
JObject rss = JObject.Parse(responseString);
//Querying with LINQ
//Get all Prediction Values
var Probability = from p in rss["Predictions"] select(int) p["Probability"];
var Tag = from p in rss["Predictions"] select(string) p["Tag"];
List <string> list = new List <string>();
//Truncate values to labels in XAML
TagLabel.Text = "";
PredictionLabel.Text = "";
foreach (var item in Tag)
{
TagLabel.Text += item + ": \n";
list.Add(item);
}
int index = 0;
foreach (var item in Probability)
{
PredictionLabel.Text += item + "\n";
if (item == 1)
{
//Post Information to easytable
easytable model = new easytable()
{
Tag = list[index]
};
await AzureManager.AzureManagerInstance.PostInformation(model);
}
index += 1;
}
//--------------
}
else
{
TagLabel.Text = "Something went wrong";
}
//Get rid of file once we have finished using it
file.Dispose();
}
}
