/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = TopicRecord::find();
$dataProvider = new ActiveDataProvider(['query' => $query]);
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to return any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'course_id' => $this->course_id, 'parent_id' => $this->parent_id]);
$query->andFilterWhere(['like', 'name', $this->name]);
return $dataProvider;
}
public function topicSearch($id)
{
$query = TopicRecord::find()->where(['parent_id' => $id]);
$dataProvider = new ActiveDataProvider(['query' => $query]);
return $dataProvider;
}
/**
* @return \yii\db\ActiveQuery
*/
public function getTopicRecords()
{
return $this->hasMany(TopicRecord::className(), ['parent_id' => 'id']);
}
/**
* Finds the TopicRecord model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return TopicRecord the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = TopicRecord::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}