private void DeleteItem(BallroomItem toDelete)
 {
     _unitOfWork.Context.Entry(toDelete).State = EntityState.Deleted;
 }
 private void UpdateItem(BallroomItem toUpdate, BallroomItem newItem)
 {
     _processItemStrategy.Execute(newItem.GetType(), new UpdateContainer {
         ToUpdate = toUpdate, NewItem = newItem
     });
 }