/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Teaching::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_subject' => $this->id_subject, 'id_teacher' => $this->id_teacher, 'year' => $this->year]);
return $dataProvider;
}
/**
* Finds the Teaching model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id_subject
* @param integer $id_teacher
* @param integer $year
* @return Teaching the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id_subject, $id_teacher, $year)
{
if (($model = Teaching::findOne(['id_subject' => $id_subject, 'id_teacher' => $id_teacher, 'year' => $year])) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getTeachings()
{
return $this->hasMany(Teaching::className(), ['id_subject' => 'id']);
}
