public async Task <IActionResult> Predict(DiabetesViewModel model)
{
var lowRisk = await _predictionAPI.GetPrediction(model);
TempData["_statusMessage"] = new StatusMessageViewModel()
{
Message = $"This patient has a {(lowRisk ? "low" : "high")} chance of developing diabetes.",
Type = lowRisk ? StatusType.success : StatusType.danger,
Title = "Result"
};
return(View("Index", model));
}
public IActionResult Index()
{
// create a viewmodel with default values
var model = new DiabetesViewModel()
{
NumPregnancies = 0,
Glucose = 137,
Diastolic = 40,
Thickness = 35,
Insulin = 168,
BMI = 43.1,
Pedigree = 2.288,
Age = 33
};
TempData["_statusMessage"] = null;
return(View(model));
}
public async Task <bool> GetPrediction(DiabetesViewModel model)
{
var json = new {
data = new[] { model }
};
var result = await Client.PostAsync("",
new StringContent(JsonSerializer.Serialize(json), Encoding.UTF8, "application/json"));
if (result.IsSuccessStatusCode)
{
var jsonData = await result.Content.ReadAsStringAsync();
jsonData = jsonData.Substring(1, jsonData.Length - 2).Replace("\\", "");
var resultData = JsonSerializer.Deserialize <PredictionResult>(jsonData);
return(resultData.result[0] == 0);
}
else
{
string content = await result.Content.ReadAsStringAsync();
throw new ApplicationException($"Error calling prediction API: {content}");
}
}
