public function categoryFormSubmitted(Form $form)
{
$values = $form->getValues();
if ($values->category_id) {
$this->categoryManager->update($values->category_id, $values->title);
$this->flashMessage('Category was successfully updated.', 'success');
} else {
$this->categoryManager->insert($values->title);
$this->flashMessage('New category was successfully created.', 'success');
}
$this->redirect('default');
}
