public SensorReading Get(string readingId)
{
const string METHOD = "SensorReadingManager.Get(string)";
var realId = _stringToGuidConverter.ToGuid(readingId);
return(_exceptionHandler.GetFromUnsafeMethod(METHOD,
() => _sensorReadingsRepository.GetById(realId)));
}
/// <summary>
/// There are two valves providing water to my plants. Between them is a hose that fits 10ml of water
/// so the method of watering the plants is to open the upper valve, to let water fill the hose, and then
/// opening the lower valve to release the water from the hose onto the plant.
/// </summary>
/// <param name="plantId">Id of the plant to water</param>
/// <param name="waterAmountInMiliLiters">Amount of water to provide. Will be rounded to nearest 10ml</param>
public void GiveWater(string plantId, int waterAmountInMiliLiters)
{
// not enough for a single watering session
if (waterAmountInMiliLiters < 10)
{
return;
}
// Too much water - one liter is what I have in my jar!
if (waterAmountInMiliLiters > 1000)
{
return;
}
// Figure out how many times to fill the hose
var numberOfFillings = (int)waterAmountInMiliLiters / 10;
// poor man's roundup :)
if (waterAmountInMiliLiters % 10 != 0)
{
numberOfFillings += 1;
}
// Ensure that the ID is a valid Guid
var plantGuid = _stringToGuidConverter.ToGuid(plantId);
if (plantGuid == Guid.Empty)
{
return;
}
// Tell the valvecontroller which target system (plant) to operate on
_valveController.SetActivePlant(plantGuid);
// Rince, repeat - literally :)
for (int i = 0; i < numberOfFillings; i++)
{
OpenAndCloseValve(UPPER_VALVE_ID, duration: TWENTY_SECONDS);
OpenAndCloseValve(LOWER_VALVE_ID, duration: TWENTY_SECONDS);
}
}