async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Tasks.Clear();
var items = await ToDoDataStore.GetItemsAsync();
foreach (var item in items)
{
Tasks.Add(item);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public ToDoDataStoreTests()
{
_toDoDataStore =
new ToDoDataStore(
_cosmosClient,
_configuration["COSMOSDB_DATABASEID"]);
_toDoDataContainer =
_cosmosClient
.GetDatabase(_configuration["COSMOSDB_DATABASEID"])
.GetContainer("toDos");
}
public ToDoTaskViewModel()
{
Title = "Browse";
Tasks = new ObservableCollection <ToDoTask>();
LoadItemsCommand = new Command(async() => await ExecuteLoadItemsCommand());
MessagingCenter.Subscribe <NewToDoTaskPage, ToDoTask>(this, "AddTask", async(obj, task) =>
{
var _task = task as ToDoTask;
Tasks.Add(_task);
await ToDoDataStore.SaveItemAsync(_task);
});
}
