public FilterViewModel(ClothesNavigationParameters navigateParameters, IReadOnlyCollection <ClothesViewModelItem> clothes,
ReactiveCommand <Unit, IReadOnlyList <ClothesViewModelItem> > clothesFilterCommand)
{
FilterSizeViewModelItems = FilterAndSortingViewModelFactory.GetFilterSizes(clothes, navigateParameters.ClothesTypeDomain.SizeTypeDefault,
clothesFilterCommand);
FilterColorViewModelItems = FilterAndSortingViewModelFactory.GetFilterColors(clothes, clothesFilterCommand);
FilterPriceViewModelItem = FilterAndSortingViewModelFactory.GetFilterPrices(clothes, clothesFilterCommand);
}
public ClothesViewModel(IClothesRestService clothesRestService, IClothesNavigationService clothesNavigationService,
IChoiceNavigationService choiceNavigationService,
IClothesDetailNavigationService clothesDetailNavigationService)
: base(clothesNavigationService)
{
_clothes = this.WhenAnyValue(x => x.NavigationParameters).
Where(clothesParameters => clothesParameters != null).
SelectMany(parameters => Observable.FromAsync(() => GetClothes(parameters, clothesRestService, clothesDetailNavigationService))).
ToProperty(this, nameof(Clothes), scheduler: RxApp.MainThreadScheduler);
ClothesFilterCommand = ReactiveCommand.Create <Unit, IReadOnlyList <ClothesViewModelItem> >(
_ => FilterAndSortingViewModelFactory.GetClothesFiltered(Clothes, FilterViewModel.ClothesFilters,
SortingViewModel.ClothesSortingType));
_sortingViewModel = Observable.Return(new SortingViewModel(ClothesFilterCommand)).
ToProperty(this, nameof(SortingViewModel));
_filterViewModel = this.WhenAnyValue(x => x.Clothes, x => x.NavigationParameters, (clothes, parameters) => (clothes, parameters)).
Where(clothesNavigation => clothesNavigation.clothes != null && clothesNavigation.parameters != null).
Select(clothesNavigation => new FilterViewModel(clothesNavigation.parameters !, clothesNavigation.clothes,
ClothesFilterCommand)).
ToProperty(this, nameof(FilterViewModel));
_clothesFiltered = this.WhenAnyValue(x => x.FilterViewModel).
Where(filterViewModel => filterViewModel != null).
SelectMany(filterViewModel => ClothesFilterCommand).
ToProperty(this, nameof(ClothesFiltered));
_clothesViewModelColumnItems = this.WhenAnyValue(x => x.ClothesFiltered).
Where(clothes => clothes != null).
Select(GetClothesItems).
ToProperty(this, nameof(ClothesViewModelColumnItems));
ImagesCommand = ReactiveCommand.CreateFromObservable <int, ImageSource>(
itemIndex => ClothesViewModelColumnItems[itemIndex].ClothesViewModelItemLeft !.
ImageCommand.Execute(Unit.Default));
ChoiceNavigateCommand = ReactiveCommand.CreateFromTask(_ => choiceNavigationService.NavigateTo(new ChoiceNavigationParameters()));
this.WhenAnyValue(x => x.Clothes, x => x.FilterViewModel, (clothes, filterViewModel) => (clothes, filterViewModel)).
Where(clothes => clothes.clothes != null && clothes.filterViewModel != null).
Select(_ => Unit.Default).
InvokeCommand(ClothesFilterCommand);
}
