/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Book::find()->joinWith('author');
$dataProvider = new ActiveDataProvider(['query' => $query]);
$dataProvider->sort->attributes['author'] = ['asc' => ['books_authors.lastname' => SORT_ASC, 'books_authors.firstname' => SORT_ASC], 'desc' => ['books_authors.lastname' => SORT_DESC, 'books_authors.firstname' => SORT_DESC]];
$this->load($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(['author_id' => $this->author_id]);
$query->andFilterWhere(['like', 'name', $this->name])->andFilterWhere(['>=', 'date', $this->dateFromSql])->andFilterWhere(['<=', 'date', $this->dateToSql]);
return $dataProvider;
}
/**
* Finds the Book model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Book the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Book::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getBooks()
{
return $this->hasMany(Book::className(), ['author_id' => 'id']);
}
