public void UpdateStateParametersTest()
{
var target = new object();
bool isInvoked = false;
var oldState = EntityState.Unchanged;
var newState = EntityState.Unchanged;
_transitionManager.ChangeState = (item, state, entityState) =>
{
isInvoked = true;
state.ShouldEqual(oldState);
entityState.ShouldEqual(newState);
target.ShouldEqual(item);
return(entityState);
};
ITrackingCollection collection = Create(_transitionManager);
oldState = EntityState.Detached;
newState = EntityState.Added;
collection.UpdateState(target, newState);
isInvoked.ShouldBeTrue();
isInvoked = false;
oldState = EntityState.Added;
newState = EntityState.Modified;
collection.UpdateState(target, newState);
}
private async Task RemoveOrder(OrderModel obj)
{
OrderModel item = obj ?? GridViewModel.SelectedItem;
string message = string.Format(UiResources.DeleteOrderQuestionFormat, item.Name);
if (await _messagePresenter.ShowAsync(message, DisplayName, MessageButton.YesNo, MessageImage.Question) !=
MessageResult.Yes)
{
return;
}
var productModels = await GetOrLoadProductLinks(item);
_trackingCollection.UpdateState(item, EntityState.Deleted);
_trackingCollection.UpdateStates(productModels, EntityState.Deleted);
GridViewModel.OriginalItemsSource.Remove(item);
this.OnPropertyChanged(() => v => v.HasChanges);
}
private async void RemoveProduct(ProductModel obj)
{
ProductModel item = obj ?? GridViewModel.SelectedItem;
string message = string.Format(UiResources.DeleteProductQuestionFormat, item.Name);
if (await _messagePresenter.ShowAsync(message, DisplayName, MessageButton.YesNo, MessageImage.Question) !=
MessageResult.Yes)
{
return;
}
_trackingCollection.UpdateState(item, EntityState.Deleted);
GridViewModel.OriginalItemsSource.Remove(item);
OnPropertyChanged(() => HasChanges);
}