public async Task SendAndSaveNotifications(IEnumerable <UplinkMessage> uplinkMessageEnumerable)
{
List <UplinkMessage> uplinkMessages = uplinkMessageEnumerable.ToList();
List <Notification> notifications = uplinkMessages.Select(async uplinkMessage =>
{
NotificationType notificationType;
ObjectDetectionNotification objectDetectionNotification = null;
if (uplinkMessage.Data.Length == 0)
{
notificationType = NotificationType.Heartbeat;
}
else
{
notificationType = NotificationType.ObjectDetection;
ushort?widthCentimeters = ushort.Parse(uplinkMessage.Data, NumberStyles.HexNumber);
ObjectDetection objectDetection = widthCentimeters switch
{
0 => ObjectDetection.Removed,
ushort.MaxValue => ObjectDetection.Detected,
_ => ObjectDetection.DetectedWithSize
};
if (objectDetection != ObjectDetection.DetectedWithSize)
{
widthCentimeters = null;
}
objectDetectionNotification = new ObjectDetectionNotification
{
ObjectDetection = objectDetection,
WidthCentimeters = widthCentimeters,
SentToKommune = false
};
}
string address = (await _storage.GetDevice(uplinkMessage.DeviceEui))?.Address ?? "";
return(new Notification
{
Address = address,
Timestamp = uplinkMessage.Timestamp,
Type = notificationType,
DeviceEui = uplinkMessage.DeviceEui,
ObjectDetectionNotification = objectDetectionNotification
});
})
.Select(task => task.Result)
.ToList();
_logger.LogInformation("Saving notifications: " + JsonSerializer.Serialize(notifications));
await _storage.AddNotifications(notifications);
List <NotificationToKommune> notificationsToKommune = DetectionSystemServiceUtil.NotificationsToKommuneNotifications(notifications);
try
{
await _kommuneService.SendNotifications(notificationsToKommune);
foreach (Notification notification in notifications)
{
notification.ObjectDetectionNotification.SentToKommune = true;
}
}
catch (Exception e)
{
_logger.LogWarning("Kommune communication exception", e);
foreach (Notification notification in notifications)
{
notification.ObjectDetectionNotification.SentToKommune = false;
}
}
}
