/**
* Список книг.
*
* @return string
*/
public function actionIndex()
{
$modelBook = new Book();
$dataProvider = $modelBook->search(Yii::$app->request->get());
$authorIds = Yii::$app->request->get('authors', []);
$tagIds = Yii::$app->request->get('tags', []);
Book::applyFilterForRelatedData($dataProvider->query, $tagIds, $authorIds);
return $this->render('index', ['modelBook' => $modelBook, 'dataProvider' => $dataProvider, 'authorIds' => $authorIds, 'tagIds' => $tagIds]);
}
