/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = SlideshowItem::find();
     $dataProvider = new ActiveDataProvider(['query' => $query, 'sort' => ['defaultOrder' => ['device_type' => SORT_ASC, 'position' => SORT_ASC, 'id' => SORT_ASC]]]);
     $this->load($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(['id' => $this->id, 'language_id' => $this->language_id, 'device_type' => $this->device_type, 'position' => $this->position, 'is_active' => $this->is_active, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at]);
     $query->andFilterWhere(['like', 'image', $this->image])->andFilterWhere(['like', 'image_path', $this->image_path])->andFilterWhere(['like', 'link', $this->link])->andFilterWhere(['like', 'caption', $this->caption])->andFilterWhere(['like', 'created_by', $this->created_by])->andFilterWhere(['like', 'updated_by', $this->updated_by]);
     return $dataProvider;
 }