private void InitializeGetCommands()
{
GetAllPatients =
new ActionCommand(
async() =>
{
await Task.Run(async() =>
{
Busy();
BusyMessage = "Loading Patients";
Patients =
new RangeObservableCollection <PatientModel>(
(await
Context.Patients.OrderByDescending(e => e.Id)
.Include(e => e.Steps)
.ToListAsync()).Select(PatientSelector));
Free();
});
});
//getting patients from database to populate listbox
GetOverDuePatientsCommand = new ActionCommand(async() =>
{
await Task.Run(async() =>
{
Busy();
BusyMessage = "Applying Filter";
OverDuePatients.Clear();
List <Patient> patients = await Context.Patients.ToListAsync();
OverDuePatients.Clear();
OverDuePatients.AddRange(
patients.Where(
e =>
e.CurrentStep.AlarmTime < DateTime.Now + new TimeSpan(1, 0, 0, 0) &&
!e.CurrentStep.IsCompleted &&
!e.CurrentStep.IsCancled).Select(PatientSelector));
Free();
});
});
}
private void InitializeCommands()
{
InitializeFilterCommands();
//initiate switch to add pateint view model command
SwitchToAddPatientViewCommmand = new ActionCommand(() => { CurrentViewModel = Locator.AddPatientViewModel; });
//initiate get all patients command
InitializeGetCommands();
StopAlarmCommand = new ActionCommand(() =>
{
IsAlarming = false;
Player.Stop();
});
ShowWindowCommand = new ActionCommand(() =>
{
Application.Current.MainWindow.Show();
Application.Current.MainWindow.Activate();
});
ExitCommand = new ActionCommand(() => Application.Current.Shutdown());
SubscribeNotificationsCommand = new ActionCommand(async() =>
{
await Task.Run(async() =>
{
await Task.Delay(500);
Busy();
BusyMessage = "Loading Patients";
Patients =
new RangeObservableCollection <PatientModel>(
(await
Context.Patients.OrderByDescending(e => e.Id)
.Include(e => e.CurrentStep)
.ToListAsync()).Select(PatientSelector));
BusyMessage = "Checking for overdue Steps";
OverDuePatients.Clear();
OverDuePatients.AddRange(
Patients.Where(
e =>
e.CurrentStep.AlarmTime < DateTime.Now + new TimeSpan(1, 0, 0, 0) &&
!e.CurrentStep.IsCompleted && !e.CurrentStep.IsCancled));
});
foreach (PatientModel item in OverDuePatients.Where(e => e.CurrentStep.AlarmTime > DateTime.Now))
{
IObservable <long> singlePatientTimer =
Observable.Timer(new DateTimeOffset(item.CurrentStep.AlarmTime))
.ObserveOn(DispatcherScheduler.Current);
PatientModel patientModel = item;
singlePatientTimer.Subscribe(
async k =>
{
await Alarm();
NotificationModel = new PatientNotificaitonModel
{
PatientId = patientModel.Id,
Name = patientModel.FullName
};
});
}
IObservable <long> interval = Observable.Interval(new TimeSpan(0, 10, 0), DispatcherScheduler.Current);
interval.Subscribe(
async e => { await Notify(); });
Free();
await Notify();
await interval;
});
}