/// <summary>
/// Given a device and a set of data returned from the SensorTag API,
/// transforms the data from arrays of values, into individual readings
/// for each time, device and set of values. Then indexes them into
/// ElasticSearch.
/// </summary>
/// <param name="device">Device.</param>
/// <param name="data">Data.</param>
private ICollection <SensorReading> CreateSensorData(SensorDevice device, RawTempData data)
{
Utils.Log("Processing {0} data points...", data.d.Count());
const double maxBatteryPercent = 3.0 / 100.0;
List <SensorReading> readings = new List <SensorReading>();
foreach (var datapoint in data.d)
{
readings.Add(new SensorReading
{
timestamp = datapoint.time,
device = device,
temperature = datapoint.temp_degC,
lux = datapoint.lux,
humidity = datapoint.cap,
battery = datapoint.battery_volts,
batteryPercentage = (int)(datapoint.battery_volts / maxBatteryPercent)
});
}
if (readings.Any())
{
Utils.Log("Found {0} readings for device '{1}' (latest: {2:dd-MMM-yy HH:mm:ss}).", readings.Count(), device.name, readings.Max(x => x.timestamp));
}
return(readings);
}
/// <summary>
/// Given a device and a set of data returned from the SensorTag API,
/// transforms the data from arrays of values, into individual readings
/// for each time, device and set of values. Then indexes them into
/// ElasticSearch.
/// </summary>
/// <param name="device">Device.</param>
/// <param name="data">Data.</param>
private ICollection <SensorReading> CreateSensorData(SensorDevice device, RawTempData data, TagInfo tag)
{
List <SensorReading> readings = new List <SensorReading>();
if (data.d.Any())
{
Utils.Log("Processing {0} data points...", data.d.Count());
foreach (var datapoint in data.d)
{
int?battPercent = null;
// The battery info from the Tag will be for right now (i.e., when we
// queried it). So only use it to fill in the battery percentage for
// data points in the last 24 hours.
if (Math.Abs(DateTime.Now.Subtract(datapoint.time).Hours) <= 24)
{
battPercent = (int)(tag.batteryRemaining * 100);
}
readings.Add(new SensorReading
{
timestamp = datapoint.time,
device = device,
temperature = datapoint.temp_degC,
lux = datapoint.lux,
humidity = datapoint.cap,
battery = datapoint.battery_volts,
batteryPercentage = battPercent
});
}
}
if (readings.Any())
{
Utils.Log("Found {0} readings for device '{1}' (latest: {2:dd-MMM-yy HH:mm:ss}).", readings.Count(), device.name, readings.Max(x => x.timestamp));
}
else
{
Utils.Log("No readings found in data for device '{0}'.", device.name);
}
return(readings);
}
