/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params = [])
 {
     $query = ClientBeacons::find();
     $dataProvider = new ActiveDataProvider(['query' => $query, 'pagination' => ['pageSize' => self::ITEMS_PER_PAGE], 'sort' => ['attributes' => ['beaconTitle' => ['asc' => [Beacons::tableName() . '.title' => SORT_ASC], 'desc' => [Beacons::tableName() . '.title' => SORT_DESC]], 'created' => ['asc' => ['created' => SORT_ASC], 'desc' => ['created' => SORT_DESC]], 'updated' => ['asc' => ['updated' => SORT_ASC], 'desc' => ['updated' => SORT_DESC]]]]]);
     $this->load($params);
     if (!$this->validate()) {
         // uncomment the following line if you do not want to any records when validation fails
         // $query->where('0=1');
         return $dataProvider;
     }
     $query->joinWith('beacon', function (ActiveQuery $query) {
         $query->andFilterWhere('title', $this->beaconTitle);
     });
     $query->andFilterWhere(['id' => $this->id, 'client_id' => $this->client_id, 'beacon_id' => $this->beacon_id]);
     return $dataProvider;
 }