/**
* Creates data provider instance with search query applied
* @return ActiveDataProvider
*/
public function search($params)
{
// if the ID is set, use it to get all the children article categories
$query = ArticleCategory::find()->andWhere(['parent_id' => isset($params['id']) && is_numeric($params['id']) ? $params['id'] : null])->andWhere(['status' => 1]);
$dataProvider = new ActiveDataProvider(['query' => $query]);
if (!($this->load($params) && $this->validate())) {
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'parent_id' => $this->parent_id, 'slug' => $this->slug]);
$query->andFilterWhere(['like', 'title', $this->title]);
return $dataProvider;
}
/**
* @return \yii\db\ActiveQuery
*/
public function getParent()
{
return $this->hasMany(ArticleCategory::className(), ['id' => 'parent_id']);
}