public function removeBook($book) { $model = \app\models\RelLibraryBook::findOne(['library_id' => $this->library_id, 'book_id' => $book->book_id]); if ($model === null) { return false; } return $model->delete(); }
public function getRelLibraryBooks() { return $this->hasMany(\app\models\RelLibraryBook::className(), ['book_id' => 'book_id']); }