public CalculatedPollution[] CalculatePollutions(DateTime date, AirQualityPersisted state)
{
logger.LogInfo().WithCategory(LogCategory.AirQuality).WithMessage($"Calculating pollutions").Commit();
CalculatedPollution[] pollution = new CalculatedPollution[]
{
CalculatePollution(date, Measurement.PM10, state.PM10, CalculatePM10PollutionIndex(state.PM10?.Value ?? 0)),
CalculatePollution(date, Measurement.O3, state.O3, CalculateO3PollutionIndex(state.O3?.Value ?? 0)),
CalculatePollution(date, Measurement.NO2, state.NO2, CalculateNO2PollutionIndex(state.NO2?.Value ?? 0)),
CalculatePollution(date, Measurement.SO2, state.SO2, CalculateSO2PollutionIndex(state.SO2?.Value ?? 0))
};
return(pollution);
}
public CalculatedPollution[] CalculatePollution(AirQualityData data)
{
logger.LogInformation("Calculating pollution");
CalculatedPollution[] pollution = new CalculatedPollution[]
{
CalculatePollution(data.Date, Measurement.PM10, data.PM10, CalculatePM10PollutionIndex(data.PM10 ?? 0)),
CalculatePollution(data.Date, Measurement.O3, data.O3, CalculateO3PollutionIndex(data.O3 ?? 0)),
CalculatePollution(data.Date, Measurement.NO2, data.NO2, CalculateNO2PollutionIndex(data.NO2 ?? 0)),
CalculatePollution(data.Date, Measurement.SO2, data.SO2, CalculateSO2PollutionIndex(data.SO2 ?? 0))
};
return(pollution);
}
public static CalculatedPollution CalculateMaxPollution(CalculatedPollution[] pollutions)
{
CalculatedPollution result = null;
foreach (var pollution in pollutions)
{
if (result == null || pollution.Index > result.Index)
{
result = pollution;
}
}
return(result);
}
public CalculatedPollution CalculatePollution(DateTime measurementDate, Measurement measurement, AirQualityValue value, double?index)
{
CalculatedPollution result = new CalculatedPollution {
Measurement = measurement, Index = value?.Value ?? 0
};
bool isOutdated = false;
if (value == null || (isOutdated = (measurementDate - value.LastDate).TotalHours > 4))
{
result.Pollution = AirPollution.Low;
result.Index = 0;
}
else
{
if (index.Value < 50)
{
result.Pollution = AirPollution.Low;
}
else if (index < 75)
{
result.Pollution = AirPollution.Mid;
}
else if (index < 100)
{
result.Pollution = AirPollution.High;
}
else
{
result.Pollution = AirPollution.VeryHigh;
}
result.Index = index.Value;
}
string outdatedText = isOutdated ? "OUTDATED " : "";
logger.LogInfo().WithCategory(LogCategory.AirQuality)
.WithMessage($"{outdatedText}{measurement} is {result.Pollution} ({value?.Value} with index {result.Index:0.00}) on {value?.LastDate}")
.Commit();
return(result);
}
public CalculatedPollution CalculatePollution(DateTime measurementDate, Measurement measurement, double?value, double?index)
{
CalculatedPollution result = new CalculatedPollution {
Measurement = measurement, Index = value ?? 0
};
bool isOutdated = false;
if (!value.HasValue || (isOutdated = (DateTime.Now - measurementDate).TotalHours > 4))
{
result.Pollution = AirPollution.Low;
result.Index = 0;
}
else
{
if (index.Value < 50)
{
result.Pollution = AirPollution.Low;
}
else if (index < 75)
{
result.Pollution = AirPollution.Mid;
}
else if (index < 100)
{
result.Pollution = AirPollution.High;
}
else
{
result.Pollution = AirPollution.VeryHigh;
}
result.Index = index.Value;
}
string outdatedText = isOutdated ? "OUTDATED " : "";
logger.LogInformation($"{outdatedText}{measurement} is {result.Pollution} ({value} with index {result.Index:0.00}) on {measurementDate}");
return(result);
}
