/** * 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']); }