public static void SetAlarms()
        {
            var db             = new EventsDataAccess();
            var timesettings   = db.GetSettings();
            var eventsReminder = db.GetEventsWithSetReminder();

            foreach (var ev in eventsReminder)
            {
                if (ev == null)
                {
                    continue;
                }
                DateTime time;
                var      activity = ev.Activities.OrderBy(x => x.StartHour).FirstOrDefault();
                if (activity == null)
                {
                    time = ev.StartDate.LocalDateTime;
                }
                else
                {
                    time = activity.StartHour.LocalDateTime;
                }
                if (timesettings.Notify1HBefore &&
                    DateTimeOffset.Now < time.AddHours(-1))
                {
                    DependencyService.Get <INotification>()
                    .SetAlarm("Już za godzinę na Politechnice!", ev.Title, ev.EventId * 10000,
                              time.AddHours(-1));
                }

                else
                {
                    DependencyService.Get <INotification>().CancelAlarm(ev.EventId * 10000);
                }

                if (timesettings.Notify1DBefore && DateTimeOffset.UtcNow < time.AddDays(-1))
                {
                    DependencyService.Get <INotification>()
                    .SetAlarm("Już jutro na Politechnice!", ev.Title, ev.EventId * 10000 + 1,
                              time.AddDays(-1));
                }

                else
                {
                    DependencyService.Get <INotification>().CancelAlarm(ev.EventId * 10000 + 1);
                }

                if (timesettings.Notify2DBefore && DateTimeOffset.UtcNow < time.AddDays(-2))
                {
                    DependencyService.Get <INotification>()
                    .SetAlarm("Już za 2 dni na Politechnice!", ev.Title, ev.EventId * 10000 + 2,
                              time.AddDays(-2));
                }

                else
                {
                    DependencyService.Get <INotification>().CancelAlarm(ev.EventId * 10000 + 2);
                }
            }
        }
        public static void DisaBleAlarms()
        {
            var db             = new EventsDataAccess();
            var eventsReminder = db.GetEventsWithSetReminder();

            foreach (var ev in eventsReminder)
            {
                for (var i = 0; i < 3; i++)
                {
                    DependencyService.Get <INotification>().CancelAlarm(ev.EventId * 10000 + i);
                }
            }
        }