/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = BlockTime::find();
     $query->joinWith(['course']);
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $dataProvider->sort->attributes['course'] = ['asc' => ['course.name' => SORT_ASC], 'desc' => ['course.name' => SORT_DESC]];
     if (!($this->load($params) && $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, 'starttime' => $this->starttime, 'endtime' => $this->endtime, 'created_time' => $this->created_time, 'course_id' => $this->course_id]);
     $query->andFilterWhere(['like', 'course.name', $this->course]);
     return $dataProvider;
 }
 /**
  * Finds the BlockTime model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return BlockTime the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = BlockTime::findOne($id)) !== null) {
         $model->institute = $model->getInstitute();
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getBlockTimes()
 {
     return $this->hasMany(BlockTime::className(), ['course_id' => 'id']);
 }