public async Task Report(Reading reading)
{
if (reading == null)
{
throw new ArgumentNullException(nameof(reading));
}
await context.Entry(reading).Reference(r => r.Sensor).LoadAsync();
await context.Entry(reading.Sensor).Reference(s => s.Alert).LoadAsync();
Alert alert = reading.Sensor.Alert;
if (alert == null)
{
return;
}
bool isAlert = alert.Check(reading.Value);
if (isAlert != alert.IsNotified)
{
alert.IsNotified = !alert.IsNotified;
await context.SaveChangesAsync();
string subject = FormatSubject(isAlert);
string message = FormatMessage(isAlert, reading);
await emailSender.SendEmailAsync(alert.Email, subject, message);
}
}
public async Task <IActionResult> Post([FromBody][Bind("DeviceId,SensorId,Value")] Reading reading)
{
using (var transaction = await context.Database.BeginTransactionAsync())
{
try
{
if (ModelState.IsValid)
{
Device device = await context.Devices.FindAsync(reading.DeviceId);
if (device == null)
{
device = new Device()
{
DeviceId = reading.DeviceId
};
await context.Devices.AddAsync(device);
}
Sensor sensor = await context.Sensors.FindAsync(reading.DeviceId, reading.SensorId);
if (sensor == null)
{
sensor = new Sensor()
{
DeviceId = reading.DeviceId,
SensorId = reading.SensorId
};
await context.Sensors.AddAsync(sensor);
}
await context.Readings.AddAsync(reading);
await context.SaveChangesAsync();
transaction.Commit();
lastValues.SetSensorLastValue(reading.DeviceId, reading.SensorId, reading.Value);
await alertReporter.Report(reading);
return(Ok(device.DelaySeconds));
}
}
catch (Exception)
{
transaction.Rollback();
}
}
return(BadRequest());
}
