/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = UserNotifications::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;
     }
     $query->andFilterWhere(['user_id' => $this->user_id, 'new_req' => $this->new_req, 'upd_req' => $this->upd_req, 'del_req' => $this->del_req, 'exp_req' => $this->exp_req, 'succ_req' => $this->succ_req, 'new_bid' => $this->new_bid, 'upd_bid' => $this->upd_bid, 'del_bid' => $this->del_bid, 'rej_bid' => $this->rej_bid, 'rep_bid' => $this->rep_bid, 'awa_bid' => $this->awa_bid, 'exp_bid' => $this->exp_bid, 'new_rev' => $this->new_rev, 'new_rate' => $this->new_rate, 'new_comm' => $this->new_comm, 'new_rcmnd' => $this->new_rcmnd, 'new_deal' => $this->new_deal, 'subs_deal' => $this->subs_deal, 'upd_deal' => $this->upd_deal, 'exp_deal' => $this->exp_deal, 'del_deal' => $this->del_deal, 'upd_memb' => $this->upd_memb, 'exp_memb' => $this->exp_memb, 'jubilee' => $this->jubilee, 'update_time' => $this->update_time]);
     return $dataProvider;
 }
 /**
  * Updates an existing UserNotifications model.
  * If update is successful, the browser will be redirected to the 'view' page.
  * @param string $id
  * @return mixed
  */
 public function actionUpdate($username = null)
 {
     if (isset($username)) {
         $user = User::find()->where(['username' => $username])->one();
     }
     if ($user) {
         $model = UserNotifications::find()->where('user_id=:user_id', [':user_id' => $user->id])->one();
         if ($model->load(Yii::$app->request->post()) && $model->save()) {
             return $this->redirect(['view', 'id' => $model->user_id]);
         } else {
             return $this->render('update', ['model' => $model]);
         }
     } else {
         $this->redirect(Yii::$app->request->baseUrl . '/providers');
     }
 }