public List <Notification1> GetNotifications(int itemId)
{
try
{
List <Notification1> resultList = new List <Notification1>();
IndustrialMonitoringEntities entities = new IndustrialMonitoringEntities();
List <NotificationItem> notificationItems = entities.NotificationItems.Where(x => x.ItemId == itemId).ToList();
if (notificationItems == null || notificationItems.Count == 0)
{
return(null);
}
foreach (var notificationItem in notificationItems)
{
NotificationItemsLogLatest notificationItemsLogLatest =
entities.NotificationItemsLogLatests.FirstOrDefault(
x => x.NotificationId == notificationItem.NotificationId);
if (notificationItemsLogLatest.Value)
{
Notification1 notification1 = new Notification1(notificationItem);
resultList.Add(notification1);
}
}
return(resultList);
}
catch (Exception ex)
{
Logger.LogMonitoringServiceLibrary(ex);
return(null);
}
}
private void CheckNotifications()
{
IsThreadRunning = true;
while (!StopThread)
{
try
{
IndustrialMonitoringEntities entities = new IndustrialMonitoringEntities();
List <NotificationItem> notificationItems = entities.NotificationItems.ToList();
foreach (var notificationItem in notificationItems)
{
entities = new IndustrialMonitoringEntities();
int notificationId = notificationItem.NotificationId;
if (notificationItem.DisableNotification)
{
NotificationItemsLog prev =
entities.NotificationItemsLogs.FirstOrDefault(x => x.NotificationId == notificationId);
if (!prev.Value)
{
NotificationItemsLog notificationItemsLog = new NotificationItemsLog();
notificationItemsLog.NotificationId = notificationId;
notificationItemsLog.Value = true;
notificationItemsLog.Time = DateTime.Now;
entities.NotificationItemsLogs.Add(notificationItemsLog);
}
NotificationItemsLogLatest latest =
entities.NotificationItemsLogLatests.FirstOrDefault(
x => x.NotificationId == notificationId);
if (!latest.Value)
{
latest.Value = true;
latest.Time = DateTime.Now;
entities.SaveChanges();
}
continue;
}
NotificationItemsLogLatest notificationItemsLogLatest = entities.NotificationItemsLogLatests.FirstOrDefault(x => x.NotificationId == notificationId);
if (notificationItemsLogLatest == null)
{
notificationItemsLogLatest = new NotificationItemsLogLatest();
notificationItemsLogLatest.NotificationId = notificationId;
notificationItemsLogLatest.Value = false;
notificationItemsLogLatest.Time = DateTime.Now;
entities.NotificationItemsLogLatests.Add(notificationItemsLogLatest);
entities.SaveChanges();
}
else
{
if (!notificationItem.DisableNotification)
{
ItemsLogLatest itemLogLatest =
entities.ItemsLogLatests.FirstOrDefault(x => x.ItemId == notificationItem.ItemId);
double currentValue = double.Parse(itemLogLatest.Value);
bool withoutNotification = false;
if (notificationItem.NotificationType == (int)NotificationType.Lower)
{
if (currentValue < notificationItem.High)
{
withoutNotification = true;
}
}
else if (notificationItem.NotificationType == (int)NotificationType.Between)
{
if (currentValue > notificationItem.Low & currentValue < notificationItem.High)
{
withoutNotification = true;
}
}
else if (notificationItem.NotificationType == (int)NotificationType.Higher)
{
if (currentValue > notificationItem.Low)
{
withoutNotification = true;
}
}
if (withoutNotification)
{
if (notificationItemsLogLatest.Value == false)
{
NotificationItemsLog notificationItemsLog = new NotificationItemsLog();
notificationItemsLog.NotificationId = notificationId;
notificationItemsLog.Value = true;
notificationItemsLog.Time = DateTime.Now;
entities.NotificationItemsLogs.Add(notificationItemsLog);
entities.SaveChanges();
//var bot = NotificationsBotInvoker.Instance;
//bot.SendNotification(notificationItemsLog.NotificationLogId);
NotificationsBotInvoker.RegisterNewRecord(notificationId, notificationItemsLog.NotificationLogId);
}
}
else
{
// we have notification
if (notificationItemsLogLatest.Value)
{
// we have a change in notification state
NotificationItemsLog notificationItemsLog = new NotificationItemsLog();
notificationItemsLog.NotificationId = notificationId;
notificationItemsLog.Value = false;
notificationItemsLog.Time = DateTime.Now;
entities.NotificationItemsLogs.Add(notificationItemsLog);
entities.SaveChanges();
//var bot = NotificationsBotInvoker.Instance;
//bot.SendNotification(notificationItemsLog.NotificationLogId);
NotificationsBotInvoker.RegisterNewRecord(notificationId, notificationItemsLog.NotificationLogId);
}
}
notificationItemsLogLatest.Value = withoutNotification;
notificationItemsLogLatest.Time = DateTime.Now;
entities.SaveChanges();
}
else
{
if (notificationItemsLogLatest.Value == false)
{
NotificationItemsLog notificationItemsLog = new NotificationItemsLog();
notificationItemsLog.NotificationId = notificationId;
notificationItemsLog.Value = true;
notificationItemsLog.Time = DateTime.Now;
entities.NotificationItemsLogs.Add(notificationItemsLog);
entities.SaveChanges();
NotificationsBotInvoker.RegisterNewRecord(notificationId, notificationItemsLog.NotificationLogId);
}
}
}
Thread.Sleep(10);
}
Thread.Sleep(1000);
}
catch (Exception ex)
{
Logger.LogMonitoringServiceLibrary(ex);
}
}
IsThreadRunning = false;
}