public PortableData Create()
{
// 1. Decrypt stream
ExportDataEncryptor decryptor =
new ExportDataEncryptor(dataStream);
using (MemoryStream decrypted = new MemoryStream())
{
decryptor.Decrypt(decrypted);
decrypted.Position = 0;
// 2. Decompress stream
ExportDataCompressor decompressor =
new ExportDataCompressor(decrypted);
using (MemoryStream decompressed = new MemoryStream())
{
decompressor.Decompress(decompressed);
decompressed.Position = 0;
// 3. Deserialize stream
PsaTracesSerializer deserializer =
new PsaTracesSerializer();
PortableData result = deserializer.Deserialize(decompressed);
return(result);
}
}
}
private List <PsaDataset> FormDatasets(PortableData data)
{
IDictionary <string, List <PsaTrace> > sortedTraces =
new Dictionary <string, List <PsaTrace> >();
foreach (PsaTrace psaTrace in data.PsaTraces)
{
string vin = psaTrace.Vin;
if (sortedTraces.ContainsKey(vin))
{
sortedTraces[vin].Add(psaTrace);
}
else
{
sortedTraces[vin] = new List <PsaTrace>()
{
psaTrace
};
}
}
List <PsaDataset> result = new List <PsaDataset>();
foreach (KeyValuePair <string, List <PsaTrace> > pair in sortedTraces)
{
PsaDataset dataset = new PsaDataset();
dataset.ExportedDate = data.Date;
dataset.Guid = data.Guid;
dataset.VehicleId = 0; // Service will fill it
dataset.SavedDate = DateTime.Now;
foreach (PsaTrace trace in pair.Value)
{
dataset.Traces.Add(trace);
}
result.Add(dataset);
}
return(result.Where(r => supportedVins.Contains(r.GetVin())).ToList());
}
/// <summary>
/// Checks data for consistency, excludes duplicates and persists to database.
/// Ignores the fact that we are importing data for someboy else's vehicle. Imports anyway. I decided so.
/// </summary>
public void CheckAndImport(PortableData data)
{
this.data = data;
CheckForUnsupportedVehicles();
}