/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Topic::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(['topic_id' => $this->topic_id, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at, 'author_id' => $this->author_id, 'category_id' => $this->category_id, 'title_content' => $this->title_content, 'topic_image' => $this->topic_image]);
$query->andFilterWhere(['like', 'author', $this->author])->andFilterWhere(['like', 'title', $this->title])->andFilterWhere(['like', 'title', $this->title_content])->andFilterWhere(['like', 'data', $this->data]);
return $dataProvider;
}
/**
* Finds the Topic model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Topic the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (Yii::$app->user->can('admin')) {
if (($model = Topic::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
} else {
$this->goHome();
}
}