protected function findModel($id)
{
if (($model = Category::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
public function saveNode()
{
if ($this->validate()) {
try {
if ($this->parent_id == 0) {
$this->makeRoot();
} else {
$this->prependTo(Category::findOne(['id' => $this->parent_id]));
}
} catch (Exception $e) {
return false;
}
return true;
}
return false;
}
public static function getTree($id = 0)
{
$exceptionId = [];
if ($id != 0) {
$exceptionNode = \backend\modules\category\models\db\Category::findOne(['id' => $id]);
$exceptionId[] = $id;
$exceptionNodes = $exceptionNode->children()->all();
foreach ($exceptionNodes as $node) {
$exceptionId[] = $node->id;
}
}
$models = Category::find()->orderBy(['tree' => SORT_ASC, 'lft' => SORT_ASC])->where(['not in', 'id', $exceptionId])->all();
$arr = [0 => 'Корневая'];
foreach ($models as $model) {
$arr[$model->id] = str_repeat(" ", $model->lvl) . $model->name;
}
return $arr;
}
