public ActionResult CreateAnalogRegisterAlert(AnalogRegisterAlert alert)
{
if (ModelState.IsValid)
{
var areg = findAnalogReg(alert.AnalogRegisterId);
areg.Alerts.Add(alert);
db.SaveChanges();
return redirectToEdit(areg, "");
}
return View(alert);
}
private void checkAnalogAlert(AnalogRegisterAlert alert, RegisterFeedback feedback, AnalogRegister reg)
{
var scaledValue = reg.BuildScaledValue(feedback);
switch (alert.Type)
{
case AnalogRegisterAlertType.GreaterThan:
if (!alert.Alerted && scaledValue > alert.Value)
{
alert.Alerted = true;
m_context.SaveChanges();
sendEmail(alert.EmailSubject, buildAnalogBody(alert, reg, scaledValue), alert.getEmailsList());
}
else if (alert.Alerted && scaledValue < alert.Value)
{
alert.Alerted = false;
m_context.SaveChanges();
sendEmail(alert.EmailSubject, buildAnalogBody(alert, reg, scaledValue), alert.getEmailsList());
}
break;
case AnalogRegisterAlertType.LessThan:
if (!alert.Alerted && scaledValue < alert.Value)
{
alert.Alerted = true;
m_context.SaveChanges();
sendEmail(alert.EmailSubject, buildAnalogBody(alert, reg, scaledValue), alert.getEmailsList());
}
else if (alert.Alerted && scaledValue > alert.Value)
{
alert.Alerted = false;
m_context.SaveChanges();
sendEmail(alert.EmailSubject, buildAnalogBody(alert, reg, scaledValue), alert.getEmailsList());
}
break;
case AnalogRegisterAlertType.EqualTo:
if (!alert.Alerted && scaledValue == alert.Value)
{
alert.Alerted = true;
m_context.SaveChanges();
sendEmail(alert.EmailSubject, buildAnalogBody(alert, reg, scaledValue), alert.getEmailsList());
}
else if (alert.Alerted && scaledValue != alert.Value)
{
alert.Alerted = false;
m_context.SaveChanges();
sendEmail(alert.EmailSubject, buildAnalogBody(alert, reg, scaledValue), alert.getEmailsList());
}
break;
default:
break;
}
}
private string buildAnalogBody(AnalogRegisterAlert alert, AnalogRegister register, float value)
{
var builder = new StringBuilder();
if (alert.Alerted)
{
builder.AppendLine(alert.EmailBody);
}
else
{
builder.AppendLine("No longer in an alerted state.");
}
builder.AppendLine("Device: ");
builder.AppendLine(register.Device.SerialNumber);
builder.AppendLine("Register: ");
builder.AppendLine(register.Alias);
builder.AppendLine("Value: ");
builder.AppendLine(value.ToString());
return builder.ToString();
}
public ActionResult CreateAnalogRegisterAlert(int id)
{
var regAlert = new AnalogRegisterAlert();
regAlert.AnalogRegisterId = id;
return View("EditAnalogRegisterAlert", regAlert);
}
public ActionResult EditAnalogRegisterAlert(AnalogRegisterAlert alert)
{
if (ModelState.IsValid)
{
db.Entry(alert).State = EntityState.Modified;
db.SaveChanges();
}
var aReg = findAnalogReg(alert.AnalogRegisterId);
return redirectToEdit(aReg, "");
}