public CategoryService() : base("allCategories")
{
InitCommands();
CacheData.Do(_ => Debug.WriteLine("Caching category items"))
.InvokeCommand(this, x => x.CacheCollection)
.DisposeWith(Disposables);
CategoryItems = CacheCollection.Select(items => items.Where(x => !string.IsNullOrWhiteSpace(x.Name)).OrderBy(x => x.Name))
.Do(_ => Debug.WriteLine("Updated collection of categories"))
.Publish()
.RefCount();
Refresh = ReactiveCommand.Create <Unit, long>(_ => DateTime.Now.Ticks);
Refresh.ThrownExceptions.Subscribe(ex =>
{
Debug.WriteLine($"Failed to Refresh: {ex.Message}");
}).DisposeWith(Disposables);
Refresh.Select(_ => Unit.Default)
.Do(_ => Debug.WriteLine("Updating UI prior to syncing"))
.SelectMany(async _ => await LoadDataFromTable())
.Do(data => CachedData = new ObservableCollection <Category>(data))
.Select(_ => Unit.Default)
.Do(_ => Debug.WriteLine("Syncing category items"))
.InvokeCommand(this, x => x.SyncItems).DisposeWith(Disposables);
AddCategoryItem = ReactiveCommand.Create <string, Category>(name =>
{
return(new Category
{
Name = name
});
});
AddCategoryItem.ThrownExceptions.Subscribe(ex =>
{
Debug.WriteLine($"Failed to AddCategoryItem: {ex.Message}");
}).DisposeWith(Disposables);
AddCategoryItem.Do(_ => Debug.WriteLine("Adding category item to database"))
.InvokeCommand(this, x => x.AddItem)
.DisposeWith(Disposables);
}