private void OnViewDeletedEntity(ILibraryEntity entity)
{
if (entity is Book)
{
bookRepository.Delete(entity as Book);
}
if (entity is Journal)
{
journalRepository.Delete(entity as Journal);
}
if (entity is Newspaper)
{
newspaperRepository.Delete(entity as Newspaper);
}
}
private void OnViewSelledEntity(ILibraryEntity entity)
{
entity.Amount--;
if (entity is Book)
{
bookRepository.Update(entity as Book);
}
if (entity is Journal)
{
journalRepository.Update(entity as Journal);
}
if (entity is Newspaper)
{
newspaperRepository.Update(entity as Newspaper);
}
}
private void OnSelledEntity(ILibraryEntity obj)
{
SelledEntity?.Invoke(obj);
OnDataUpdated(obj.GetType());
}