// Przewiduje poprawną cenę oferowanej książki przez system analityczny.
public ContentResult <AnalyticModelPrediction> AnalizeOffer(FormalizedOffer offer)
{
var mlContext = new MLContext(0);
ITransformer model;
using (var stream = new FileStream(hostingEnvironment.ContentRootPath + "/private_static/model.zip", FileMode.Open, FileAccess.Read, FileShare.Read))
{
model = mlContext.Model.Load(stream);
}
var toAnalize = new AnalyticModel
{
AuthorPopularity = offer.AuthorPopularity,
Condition = offer.Condition,
Category = offer.Category,
Language = offer.Language,
IsEbook = offer.IsEbook,
WritingTime = offer.WritingTime,
PrintingTime = offer.PrintingTime
};
var predictionEngine = model.CreatePredictionEngine <AnalyticModel, AnalyticModelPrediction>(mlContext);
var predictedPrice = predictionEngine.Predict(toAnalize);
return(new ContentResult <AnalyticModelPrediction>
{
Content = predictedPrice
});
}
public IActionResult AnalizeOffer([FromBody] FormalizedOffer offer)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
var price = offerService.AnalizeOffer(offer).Content;
return(Ok(price));
}
