public static async Task RunAsync([TimerTrigger("0 * 6-15 * * 1-5")] TimerInfo timer, ILogger log)
{
log.LogInformation($"Park integration function executed at: {DateTime.Now}");
var watch = Stopwatch.StartNew();
var parkingSessions = await GetParkingSessions(2, log);
log.LogInformation($"Parking sessions retrived from Park API. ({watch.ElapsedMilliseconds}ms)");
var licensePlates = parkingSessions
.Where(s => s.start > DateTime.UtcNow.AddMinutes(-5))
.Select(s => s.vehicle.normalized_licence_plate.ToUpper())
.ToList();
log.LogMetric("VehicleArrived", parkingSessions.Count(s => s.start > DateTime.UtcNow.AddMinutes(-1)));
if (licensePlates.Count == 0)
{
log.LogInformation($"No new vehicles have arrived. Exiting. ({watch.ElapsedMilliseconds}ms)");
return;
}
log.LogInformation($"{licensePlates.Count} vehicles have arrived in the last 5 minutes. ({watch.ElapsedMilliseconds}ms)");
// Get reservations from SQL database where the car has just arrived
var reservations = await _context.Reservation
.Include(r => r.User)
.Where(r =>
r.StartDate.Date == DateTime.Today &&
r.State == State.SubmittedNotActual &&
licensePlates.Contains(r.VehiclePlateNumber))
.ToListAsync();
if (reservations.Count == 0)
{
log.LogInformation($"No reservations found where notification should be sent. Exiting. ({watch.ElapsedMilliseconds}ms)");
return;
}
log.LogInformation($"Found {reservations.Count} reservations. Starting notification sending. ({watch.ElapsedMilliseconds}ms)");
// Send notifications
foreach (var reservation in reservations)
{
reservation.State = State.ReminderSentWaitingForKey;
await _context.SaveChangesAsync();
log.LogInformation($"Reservation state updated to ReminderSentWaitingForKey for reservation with id: {reservation.Id}. ({watch.ElapsedMilliseconds}ms)");
if (reservation.User == null)
{
throw new Exception($"Failed to load user with id: {reservation.UserId}");
}
var email = new Email
{
To = reservation.User.Email,
Subject = "Welcome in the office! Don't forget to drop off your key!",
Body = $@"Welcome {reservation.User.FirstName},
I just noticed that you've arrived! 👀
Don't forget to leave the key at the reception and <a href='https://carwashu.azurewebsites.net'>confirm drop-off & vehicle location by clicking here</a>!
If don't want to get email reminders in the future, you can <a href='https://carwashu.azurewebsites.net/settings'>disable it in the settings</a>."
};
switch (reservation.User.NotificationChannel)
{
case NotificationChannel.Disabled:
log.LogInformation($"Notifications are not enabled for the user with id: {reservation.User.Id}.");
break;
case NotificationChannel.NotSet:
case NotificationChannel.Email:
await NotificationService.SendEmailReminder(reservation, email);
log.LogInformation($"Email notification was sent to the user ({reservation.User.Id}) about the reservation with id: {reservation.Id}. ({watch.ElapsedMilliseconds}ms)");
break;
case NotificationChannel.Push:
try
{
var notification = new Notification
{
Title = "Welcome! 🙋",
Body = "I just noticed that you've arrived! 👀 Don't forget to leave the key at the reception and confirm vehicle location!",
Tag = NotificationTag.Reminder,
RequireInteraction = true,
Actions = new List <NotificationAction>
{
new NotificationAction {
Action = "confirm-dropoff", Title = "Confirm drop-off"
}
}
};
await NotificationService.SendPushReminder(reservation, _context, notification);
log.LogInformation($"Push notification was sent to the user ({reservation.User.Id}) about the reservation with id: {reservation.Id}. ({watch.ElapsedMilliseconds}ms)");
}
catch (Exception e)
{
log.LogError(e, "Push notification cannot be sent. Failover to email.");
await NotificationService.SendEmailReminder(reservation, email);
log.LogInformation($"Email notification was sent to the user ({reservation.User.Id}) about the reservation with id: {reservation.Id}. ({watch.ElapsedMilliseconds}ms)");
}
break;
default:
throw new ArgumentOutOfRangeException();
}
// Send message to ServiceBus which is monitored by the bot, who will ping the user
await NotificationService.SendBotReminderMessage(reservation, BotNotificationQueueName);
log.LogInformation($"Bot reminder was sent to the user ({reservation.User.Id}) about the reservation with id: {reservation.Id}. ({watch.ElapsedMilliseconds}ms)");
}
log.LogMetric("VehicleArrivedNotificationSent", reservations.Count);
log.LogInformation("All reminders have been sent successfully.");
watch.Stop();
}
