public static List <TrainingDataDto> GetTestingSet(NeuralNetworkTrainingConfig trainingConfig)
{
List <TrainingDataDto> trainingSet = new List <TrainingDataDto>();
string line;
// Read the file and display it line by line.
System.IO.StreamReader file =
new System.IO.StreamReader(System.IO.Path.Combine(trainingConfig.TrainingDatabaseFileRoute, trainingConfig.TrainingDatabaseTestFileName));
while ((line = file.ReadLine()) != null)
{
var trainingRow = new TrainingDataDto();
var lines = line.Split(" ", StringSplitOptions.RemoveEmptyEntries);
trainingRow.XEntries =
Array.ConvertAll(lines.Take(trainingConfig.InputSize).ToArray(),
System.Convert.ToDouble)
.ToList();
trainingRow.YExpected = Array.ConvertAll(lines.Skip(trainingConfig.InputSize)
.Take(trainingConfig.PredictedObjects.Count).ToArray(),
System.Convert.ToDouble)
.ToList();
trainingSet.Add(trainingRow);
}
file.Close();
return(trainingSet);
}
public async Task <IActionResult> UploadTrainingData(int id, TrainingDataDto model)
{
try
{
if (!ModelState.IsValid || model.TrainingSet == null)
{
return(BadRequest("VALIDATION_INVALIDTRAININGDATA"));
}
var userId = User.FindFirst(ClaimTypes.NameIdentifier).Value;
var neuralNet = await _dbcontext.NeuralNets.Include(nn => nn.Layers).ThenInclude(l => l.Neurons).Where(nn => nn.Id == id && nn.UserId == userId).FirstOrDefaultAsync();
if (neuralNet == null)
{
return(BadRequest());
}
var inputLayer = neuralNet.Layers.OrderBy(l => l.Order).FirstOrDefault().Neurons.Count();
var outputLayer = neuralNet.Layers.OrderByDescending(l => l.Order).FirstOrDefault().Neurons.Count();
if (model.TrainingSet.Any(ts => ts.Input.Count != inputLayer || ts.Output.Count != outputLayer))
{
return(BadRequest("VALIDATION_INVALIDTRAININGDATA"));
}
var dbTrainingData = new TrainingData
{
Name = model.Name,
NeuralNetId = id,
TrainingSet = model.TrainingSet.Select(ts => new TrainingSet
{
Input = ts.Input,
Output = ts.Output
}).ToList()
};
await _dbcontext.TrainingData.AddAsync(dbTrainingData);
await _dbcontext.SaveChangesAsync();
model.Id = dbTrainingData.Id;
return(Ok(model));
}
catch (Exception ex)
{
return(BadRequest(ex));
}
}
