public HomeVM(
IFieldDataService Storage,
ILocationService Location,
[Dispatcher] IScheduler Dispatcher
)
{
this.Storage = Storage;
this.Location = Location;
//EventSeries
SeriesList = new ReactiveCollection<EventSeriesVM>();
getSeries.RegisterAsyncFunction(_ =>
Enumerable.Repeat(NoEventSeriesMixin.NoEventSeries, 1)
.Concat(
Storage
.getAllEventSeries()
)
.Select(es => new EventSeriesVM(es))
)
.SelectMany(vm => vm)
.ObserveOn(Dispatcher)
.Subscribe(SeriesList.Add);
SeriesList
.ListenToChanges<EventSeries, EventSeriesVM>();
(SelectSeries = new ReactiveCommand<IElementVM<EventSeries>>())
.ToMessage(Messenger, MessageContracts.VIEW);
(EditSeries = new ReactiveCommand<IElementVM<EventSeries>>(vm => vm.Model != NoEventSeriesMixin.NoEventSeries))
.ToMessage(Messenger, MessageContracts.EDIT);
var openSeries = SeriesList.CollectionCountChanged.Select(_ => Unit.Default)
.Merge(Messenger.Listen<IElementVM<EventSeries>>(MessageContracts.SAVE).Select(_ => Unit.Default))
.Select(_ => SeriesList.Where(s => s.Model.SeriesEnd == null))
.Select(list => list.FirstOrDefault());
openSeries
.SelectMany(series => (series != null) ?
Location.LocationByDistanceThreshold(20)
.Select(c =>
{
var gp = new Localization() { RelatedID = series.Model.SeriesID };
gp.SetCoordinates(c);
return gp;
})
.TakeUntil(openSeries) : Observable.Empty<Localization>())
.ObserveOn(Dispatcher)
.ToMessage(Messenger, MessageContracts.SAVE);
var noOpenSeries =
openSeries
.Select(openseries => openseries == null);
Settings = new ReactiveCommand();
Settings.Select(_ => Page.Settings)
.ToMessage(Messenger);
Add = new ReactiveCommand(noOpenSeries);
Add.Select(_ => new EventSeriesVM(new EventSeries()) as IElementVM<EventSeries>)
.ToMessage(Messenger, MessageContracts.EDIT);
Maps = new ReactiveCommand();
Maps.Select(_ => null as ILocalizable)
.ToMessage(Messenger, MessageContracts.VIEW);
Help = new ReactiveCommand();
Help.Select(_ => Page.Info)
.ToMessage(Messenger);
Messenger.Listen<EventMessage>(MessageContracts.INIT)
.Do(_ => SeriesList.Clear())
.Subscribe(_ => getSeries.Execute(null));
}