45 lines
1.1 KiB
C#
45 lines
1.1 KiB
C#
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using Microsoft.ML;
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using Microsoft.ML.Data;
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namespace RhSolutions.Api.Services;
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public class ProductTypePredicter : IProductTypePredicter
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{
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private readonly string _modelPath = @"./MLModels/model.zip";
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private MLContext _mlContext;
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private ITransformer _loadedModel;
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private PredictionEngine<Product, TypePrediction> _predEngine;
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public ProductTypePredicter()
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{
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_mlContext = new MLContext(seed: 0);
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_loadedModel = _mlContext.Model.Load(_modelPath, out var _);
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_predEngine = _mlContext.Model.CreatePredictionEngine<Product, TypePrediction>(_loadedModel);
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}
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public string? GetPredictedProductType(string productName)
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{
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Product p = new()
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{
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Name = productName
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};
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var prediction = _predEngine.Predict(p);
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return prediction.Type;
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}
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public class Product
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{
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[LoadColumn(0)]
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public string? Name { get; set; }
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[LoadColumn(1)]
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public string? Type { get; set; }
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}
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public class TypePrediction
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{
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[ColumnName("PredictedLabel")]
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public string? Type { get; set; }
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}
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}
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