private IEnumerable <string> ExtractTags(MeasurementField measurementField)
{
try
{
if (!string.IsNullOrWhiteSpace(measurementField.StringValue))
{
return(measurementField.StringValue.Split(new[] { ',', ';', ' ' }, StringSplitOptions.RemoveEmptyEntries));
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Error extracting tags.");
// and sink
}
return(new List <string>());
}
private MeasurementField MapOldApiField(MeasurementField field, User device)
{
string fieldId = field.Name.ToLower().Replace("field", "");
int fieldIdValue;
if (int.TryParse(fieldId, out fieldIdValue))
{
var fieldDescriptor = device.FieldDescriptors.FirstOrDefault(x => x.Index == fieldIdValue - 1);
if (fieldDescriptor != null)
{
// Change the field name to reflect the mapped field.
field.Name = fieldDescriptor.Name;
}
}
// No match then return the existing field.
return(field);
}
private void TryExtractMetaData(Measurement measurement, MeasurementField measurementField)
{
if (string.IsNullOrEmpty(measurementField.Name))
{
return;
}
try
{
switch (measurementField.Name.ToLower())
{
case "sampleid":
measurement.SampleId = measurementField.StringValue;
break;
case "operatorid":
measurement.OperatorId = measurementField.StringValue;
break;
case "soc": // stage of charge (expect %)
case "ps-soc": // (stage of charge) to match photon battery shield.
case "battery":
case "batterylevel":
case "batterylevelpercentage":
measurement.BatteryLevel = measurementField.Value;
measurement.BatteryLevelPercentage = Convert.ToInt32(measurementField.Value);
break;
case "rf":
case "rfstrength":
measurement.RfStrength = Convert.ToInt32(measurementField.Value);
break;
case "lat":
case "latitude":
measurement.Location = measurement.Location ?? new LocationDetails();
measurement.Location.Latitude = Convert.ToDouble(measurementField.Value);
break;
case "long":
case "longitude":
measurement.Location = measurement.Location ?? new LocationDetails();
measurement.Location.Longitude = Convert.ToDouble(measurementField.Value);
break;
case "elevation":
case "altitude":
measurement.Location = measurement.Location ?? new LocationDetails();
measurement.Location.Elevation = Convert.ToDouble(measurementField.Value);
break;
case "g":
case "gps":
case "latlong":
case "location":
measurement.Location = GetLocation(measurementField.StringValue);
break;
case "tag":
case "tags":
measurement.Tags.AddRange(ExtractTags(measurementField));
break;
}
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to extract field metadata.");
// and sink, metadata is not overly critical
}
}
