/**
* Saves the display_order
*
* @throws CHttpException
*/
public function sortModel()
{
if (!$this->model->hasAttribute('display_order')) {
throw new CHttpException(400, 'This object cannot be ordered');
}
if (Yii::app()->request->isPostRequest) {
$post = Yii::app()->request->getPost($this->modelName);
$page = Yii::app()->request->getPost('page');
if (!array_key_exists('display_order', $post) || !is_array($post['display_order'])) {
throw new CHttpException(400, 'No objects to order were provided');
}
foreach ($post['display_order'] as $displayOrder => $id) {
$model = $this->model->findByPk($id);
if (!$model) {
throw new CHttpException(400, 'Object to be ordered not found');
}
//Add one because display_order not zero indexed.
//Times by page number to get correct order across pages.
$model->display_order = ($displayOrder + 1) * $page;
if (!$model->validate()) {
throw new CHttpException(400, 'Order was invalid');
}
if (!$model->save()) {
throw new CHttpException(500, 'Unable to save order');
}
}
$this->audit('sort');
}
}
