public function searchMinhasFrequencias($params)
 {
     $query = Frequencia::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;
     }
     $aluno = Aluno::findOne(['CPF' => Yii::$app->user->identity->login]);
     $monitoria = Monitoria::findOne(['IDAluno' => $aluno->ID]);
     $query->andFilterWhere(['ID' => $this->ID, 'IDMonitoria' => $monitoria->ID, 'dmy' => $this->dmy, 'ch' => $this->ch, 'atividade' => $this->atividade]);
     $query->orderBy(['ID' => SORT_DESC]);
     return $dataProvider;
 }
 /**
  * Finds the Monitoria model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return Monitoria the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = Monitoria::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('A página requisitada não existe.');
     }
 }