private void alarm_cbPeriod_SelectedIndexChanged(object sender, EventArgs e)
{
var hours = Convert.ToInt32(alarm_cbPeriod.SelectedItem);
var controller = new AlarmController();
var alarmList = controller.GetAllAlarms(hours);
alarm_lbAlarms.Items.Clear();
if (alarmList != null && alarmList.Any())
{
alarm_lbAlarms.Items.AddRange(alarmList.OrderByDescending(a => a.TimeStamp).ToArray());
}
}
private void alarm_Acknowledge_Click(object sender, EventArgs e)
{
//Submit an acknowledgment request to the controller.
var controller = new AlarmController();
controller.Acknowledge((Alarm)alarm_lbAlarms.SelectedItem);
//Update the alarm object in the list.
alarm_lbAlarms.SelectedItem = controller.LastAlarm;
}
/// <summary>
/// Method to update the header label with a count of active alarms from
/// within the last 24 hours.
/// </summary>
private void UpdateActiveAlarms(object threadable)
{
var controller = new AlarmController();
while (true)
{
/*
* Updates to the Alarm Count are handled within TRY/CATCH because there is potential
* for external changes that may cut/slow the data flow/connection.
*/
try
{
//Only counts alarms that have been active for longer than 24 hours.
var liveCount = controller.GetAllAlarms(24).Count(a => !a.Accepted);
//_activeAlarmCount = controller.GetAllAlarms(24).Count(a => !a.Accepted);
_activeAlarmCount = controller.GetActiveAlarmCount();
//Sleep for X seconds
System.Threading.Thread.Sleep(1000);
}
catch (Exception e)
{
DebugOutput.Print("Alarm Updating Error - ", e.Message);
}
}
}
/// <summary>
/// When a Rule's critera have been met, this method is called to execute any
/// and all Actions as per the Rule's settings.
/// An Alarm is also raised from here.
/// </summary>
/// <param name="rule">The passed rule.</param>
/// <param name="value">The value that passed the rule.</param>
private void TakeAction(Rule rule, Value value)
{
//Handle any requirement to Alarm.
if (rule.Alarm)
{
//Create accessor to the AlarmController class.
var controller = new AlarmController();
//Create a new Alarm object as per the model.
var alarm = new Alarm()
{
//Id = Guid.NewGuid(),
Rule = rule,
RuleId = rule.Id,
Device = rule.Device,
DeviceId = rule.DeviceId,
Value = value,
ValueId = value.Id,
TimeStamp = value.EventTime,
Accepted = false
};
//Pass the alarm object to the AlarmController.
controller.CreateAlarm(alarm);
}
var actionController = new ActionController();
var act = actionController.RetrieveActionsForRule(rule.Id).FirstOrDefault();
//Handle any Actions to be taken.
if (act != null)
{
rule.Action = act;
WriteData(rule,value);
}
}