private static void EnrichMemoizedValues(ChargingSessionRow row, ChargingSessionRow lastRow)
{
if (lastRow == null)
{
return;
}
row.BmsChargeStatus ??= lastRow.BmsChargeStatus;
row.BmsState ??= lastRow.BmsState;
row.CellTemperature ??= lastRow.CellTemperature;
row.MaxChargePower ??= lastRow.MaxChargePower;
row.StateOfCharge ??= lastRow.StateOfCharge;
}
private static void ParseMessage(ICanBusMessage message, ChargingSessionRow row)
{
switch (message)
{
case BatteryInfoMessage m:
row.BmsChargeStatus = m.BmsChargeStatus;
row.BmsState = m.BmsState;
row.CellTemperature = m.MinBatteryTemperature;
row.MaxChargePower = m.BmsChargePowerAvailable;
return;
case BatteryPowerMessage m:
row.BatteryCurrent = m.BatteryCurrentRaw;
row.BatteryVoltage = m.BatteryVoltage;
return;
case StateOfChargeMessage m:
row.StateOfCharge = m.StateOfChargeMin;
return;
}
}
private async Task ProcessTimeline(string destinationPath, MessageTimeline timeline, ChargingSessionTransformationOptions options)
{
foreach (var chargingSession in new ChargingSessionFilter().GetChargingSessions(timeline))
{
if (chargingSession.StartTime == default || chargingSession.EndTime == default)
{
continue;
}
if (options.MinimumChargingSessionDuration > TimeSpan.Zero &&
chargingSession.EndTime - chargingSession.StartTime < options.MinimumChargingSessionDuration)
{
continue;
}
var csvFileName = GetChargingSessionCsvFileName(destinationPath, chargingSession);
await using var writer = File.CreateText(csvFileName);
await _rowWriter.WriteHeader(writer);
DateTime lastTimestamp = default;
ChargingSessionRow lastRow = null;
var row = new ChargingSessionRow();
foreach (var timedMessage in chargingSession.Where(m => !(m.Value is UnknownMessage)))
{
var timestamp = timedMessage.Timestamp ?? default;
var message = timedMessage.Value;
ParseMessage(message, row);
if (timestamp == default || timestamp == lastTimestamp)
{
continue;
}
if (lastTimestamp == default)
{
lastTimestamp = timestamp;
row = new ChargingSessionRow
{
Timestamp = timestamp
};
continue;
}
EnrichMemoizedValues(row, lastRow);
if (row.ShouldWriteRow)
{
await _rowWriter.WriteLine(writer, row);
}
lastTimestamp = timestamp;
lastRow = row;
row = new ChargingSessionRow
{
Timestamp = timestamp
};
}
}
}
