protected BaseLocationEditorViewModel(
ISchedulerProvider schedulerProvider,
IPlacesProvider placesProvider,
IGeocodingProvider geocodingProvider,
INavigationService navigationService)
{
_navigationService = navigationService;
this.Changed(() => SearchText)
.Where(text => !string.IsNullOrEmpty(text))
.Throttle(TimeSpan.FromMilliseconds(300), schedulerProvider.DefaultScheduler)
.ObserveOn(schedulerProvider.SynchronizationContextScheduler)
.Subscribe(async searchText =>
{
IsSearching = true;
SearchResults = await placesProvider.GetAutoCompleteResponse(searchText);
IsSearching = false;
});
this.Changed(() => SearchText)
.Where(string.IsNullOrEmpty)
.Subscribe(_ => SearchResults = GetEmptyAutocompleteResult());
var selectedEmptyAutocompleteResultModelObservable = this.Changed(() => SelectedSearchResult)
.Where(result => result is EmptyAutocompleteResultModel)
.Cast <EmptyAutocompleteResultModel>();
selectedEmptyAutocompleteResultModelObservable.Where(r => r.Address == null)
.ObserveOn(schedulerProvider.SynchronizationContextScheduler)
.Subscribe(selectedResult =>
{
switch (selectedResult)
{
case HomeResultModel _:
_navigationService.NavigateToSearchView <HomeLocationEditorViewModel>(callBack: null);
break;
case WorkResultModel _:
_navigationService.NavigateToSearchView <WorkLocationEditorViewModel>(callBack: null);
break;
}
});
var selectedEmptyAddress = selectedEmptyAutocompleteResultModelObservable
.Where(r => r.Address != null)
.Select(r => r.Address);
SelectedAddress = SelectedAutoCompleteResultModelObservable
.Select(x => Observable.FromAsync(() => geocodingProvider.ReverseGeocodingFromPlaceId(x.PlaceId)))
.Concat()
.Merge(selectedEmptyAddress);
}
protected BaseLocationEditorViewModel(
ISchedulerProvider schedulerProvider,
IPlacesProvider placesProvider,
IGeocodingProvider geocodingProvider,
INavigationService navigationService)
{
_geocodingProvider = geocodingProvider;
_navigationService = navigationService;
this.Changed(() => SearchText)
.Where(text => !string.IsNullOrEmpty(text))
.Throttle(TimeSpan.FromMilliseconds(300), schedulerProvider.DefaultScheduler)
.ObserveOn(schedulerProvider.SynchronizationContextScheduler)
.Subscribe(async searchText =>
{
IsSearching = true;
SearchResults = await placesProvider.GetAutoCompleteResponse(searchText);
IsSearching = false;
});
this.Changed(() => SearchText)
.Where(string.IsNullOrEmpty)
.Subscribe(_ => SearchResults = GetEmptyAutocompleteResult());
this.Changed(() => SelectedSearchResult)
.Where(result => result is EmptyAutocompleteResultModel)
.Cast <EmptyAutocompleteResultModel>()
.ObserveOn(schedulerProvider.SynchronizationContextScheduler)
.Subscribe(selectedResult =>
{
if (selectedResult.Address == null)
{
NavigateToLocationEditorViewModel(selectedResult);
}
else
{
SelectedAddress = selectedResult.Address;
_navigationService.GoBack();
}
});
SelectedAutoCompleteResultModelObservable.Subscribe(async result =>
{
await SetAutoCompleteResultModel(result.PlaceId);
});
}
