public MainViewModel(ITodoService todoService,
IMaterialDialog dialogs,
IConnectivity connectivity,
INavigationService navigator)
{
this.todoService = todoService;
this.dialogs = dialogs;
this.navigator = navigator;
connectivity
.WhenInternetStatusChanged()
.ToPropertyEx(this, x => x.IsNetworkAvailable)
.DisposeWith(this.DestroyWith);
this.Add = navigator.NavigateCommand("EditPage");
this.ToggleShowCompleted = ReactiveCommand.Create(() =>
{
this.ShowCompleted = !this.ShowCompleted;
this.DoLoad();
});
this.Load = ReactiveCommand.CreateFromTask(async() =>
{
var todos = await todoService.GetList(this.ShowCompleted);
this.List = todos.Select(ToViewModel).ToList();
});
this.WhenAnyValue(x => x.ShowCompleted)
.Select(x => x ? "Hide Completed" : "Show Completed")
.ToPropertyEx(this, x => x.ToggleShowText);
}
public GlobalExceptionHandler(IMaterialDialog dialogs) => this.dialogs = dialogs;
public EditViewModel(INavigationService navigator,
IMaterialDialog dialogs,
IGeofenceManager geofences,
INotificationManager notifications,
ITodoService todoService)
{
this.WhenAnyValue(
x => x.Date,
x => x.Time
)
.Select(x => new DateTime(
x.Item1.Year,
x.Item1.Month,
x.Item1.Day,
x.Item2.Hours,
x.Item2.Minutes,
0
))
.ToPropertyEx(this, x => x.AlarmDate);
this.WhenAnyValue(
x => x.RemindOnLocation,
x => x.Latitude,
x => x.Longitude
)
.Select(x =>
{
if (!x.Item1)
{
return(String.Empty);
}
return($"({x.Item2} - {x.Item3})");
})
.ToPropertyEx(this, x => x.Location);
this.Date = DateTime.Now.AddDays(1);
this.Time = this.Date.TimeOfDay;
this.WhenAnyValue(x => x.RemindOnDay)
.Skip(1)
.Where(x => x)
.SubscribeAsync(async(_) =>
{
var access = await notifications.RequestAccess();
if (access != AccessState.Available)
{
this.RemindOnDay = false;
await dialogs.AlertAsync("Permission denied for notifications");
}
});
this.WhenAnyValue(x => x.RemindOnLocation)
.Skip(1)
.Where(x => x)
.SubscribeAsync(async(_) =>
{
var access = await geofences.RequestAccess();
if (access != AccessState.Available)
{
this.RemindOnDay = false;
await dialogs.AlertAsync("Permission denied for geofences");
}
});
this.SetLocation = navigator.NavigateCommand("LocationPage");
this.Save = ReactiveCommand.CreateFromTask(
async() =>
{
var item = this.existingItem ?? new TodoItem();
item.Title = this.ReminderTitle;
item.Notes = this.Notes;
if (this.RemindOnDay)
{
item.DueDateUtc = this.AlarmDate;
}
if (this.RemindOnLocation)
{
item.GpsLatitude = this.Latitude;
item.GpsLongitude = this.Longitude;
}
await todoService.Save(item);
await navigator.GoBack();
},
this.WhenAny(
x => x.ReminderTitle,
x => !x.GetValue().IsEmpty()
)
);
this.BindBusy(this.Save);
}
