public CatalogCategoryListViewModel(ICatalogCategoryRepo catalogCategoryRepo = null, IViewStackService viewStackService = null)
: base(viewStackService)
{
catalogCategoryRepo = catalogCategoryRepo ?? Locator.Current.GetService <ICatalogCategoryRepo>();
LoadCatalogCategories = ReactiveCommand.CreateFromObservable(
() =>
{
return(catalogCategoryRepo.GetItems()
.SelectMany(x => x)
.Select(x => new CatalogCategoryCellViewModel(x) as ICatalogCategoryCellViewModel)
.ToList()
.Select(x => x as IReadOnlyList <ICatalogCategoryCellViewModel>)
.SubscribeOn(RxApp.TaskpoolScheduler));
});
_catalogCategories = LoadCatalogCategories
.ToProperty(this, x => x.CatalogCategories, scheduler: RxApp.MainThreadScheduler);
this
.WhenAnyValue(vm => vm.SelectedItem)
.Where(x => x != null)
.SelectMany(x => ViewStackService.PushPage(new CatalogCategoryViewModel(x.Id)))
.Subscribe();
_isRefreshing = LoadCatalogCategories
.IsExecuting
.ToProperty(this, vm => vm.IsRefreshing, true);
}
public CatalogSynchronizer(
ICatalogCategoryRepo categoryRepo = null,
ICatalogItemRepoFactory itemRepoFactory = null,
IAdminVarRepo adminVarRepo = null)
{
_categoryRepo = categoryRepo ?? Locator.Current.GetService <ICatalogCategoryRepo>();
_itemRepoFactory = itemRepoFactory ?? Locator.Current.GetService <ICatalogItemRepoFactory>();
_adminVarRepo = adminVarRepo ?? Locator.Current.GetService <IAdminVarRepo>();
}
public CatalogCategoryListViewModel(
ICatalogCategoryRepo categoryRepo = null,
ICatalogSynchronizer catalogSynchronizer = null,
IViewStackService viewStackService = null)
{
categoryRepo = categoryRepo ?? Locator.Current.GetService <ICatalogCategoryRepo>();
catalogSynchronizer = catalogSynchronizer ?? Locator.Current.GetService <ICatalogSynchronizer>();
viewStackService = viewStackService ?? Locator.Current.GetService <IViewStackService>();
_categoryCache = new SourceCache <CatalogCategory, string>(x => x.Id);
SyncWithPosSystem = ReactiveCommand.CreateFromObservable(
() =>
{
return(catalogSynchronizer
.PullFromPosSystemAndStoreInFirebase(_categoryCache));
});
LoadCategories = ReactiveCommand.CreateFromObservable(
() =>
{
return(categoryRepo
.GetItems()
.Do(x => _categoryCache.AddOrUpdate(x))
.Select(_ => Unit.Default));
});
//LoadCategories.InvokeCommand(this, x => x.SyncWithPosSystem);
_categoryCache
.Connect()
//.Filter(dynamicFilter)
.Transform(x => new CatalogCategoryCellViewModel(x, categoryRepo) as ICatalogCategoryCellViewModel)
.ObserveOn(RxApp.MainThreadScheduler)
.Bind(out _categoryCells)
.DisposeMany()
.Subscribe();
NavigateToCategory = ReactiveCommand.CreateFromObservable <ICatalogCategoryCellViewModel, Unit>(
categoryCell =>
{
return(viewStackService.PushPage(new CatalogItemListViewModel(categoryCell.Id)));
});
this
.WhenAnyValue(x => x.SelectedItem)
.Where(x => x != null)
.SelectMany(categoryCell => viewStackService.PushPage(new CatalogItemListViewModel(categoryCell.Id)))
.Subscribe();
}