public ItemsViewModel() : base()
{
Title = "Browse";
Items = new ObservableCollection <Resres>();
LoadItemsCommand = new Command(async() => await ExecuteLoadItemsCommand());
MessagingCenter.Subscribe <NewItemPage, Resres>(this, "AddItem", async(obj, item) =>
{
var newItem = item as Resres;
Items.Add(newItem);
await ResresStore.AddItemAsync(newItem);
});
}
async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Items.Clear();
var items = await ResresStore.GetItemsAsync(true);
if (null != items)
{
foreach (var item in items)
{
Items.Add(item);
}
Debug.WriteLine($"ResresStore: {Items.Count} resources found");
}
else
{
Debug.WriteLine("ResresStore: No items found.");
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
