/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = MessagesUsers::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $this->load($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 $dataProvider;
     }
     if ($this->type == 2) {
         $query->andWhere('type > 1');
     } else {
         $query->andWhere('type = 1');
     }
     $query->andFilterWhere(['id' => $this->id, 'messages_id' => $this->messages_id, 'users_id' => $this->users_id, 'status' => $this->status]);
     $query->orderBy('id desc');
     return $dataProvider;
 }