/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = EventGroup::find();
$this->load($params);
$dataProvider = new ActiveDataProvider(['query' => $query, 'sort' => ['attributes' => ['Name', 'MinPrice', 'CategoryId', 'TicketCount']]]);
$className = explode('\\', EventGroup::className());
$className = $className[count($className) - 1];
$query->where(['maxPrice' => isset($params[$className]['maxPrice']) ? $params[$className]['maxPrice'] : '']);
return $dataProvider;
}
