/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Books::find()->with('author');
// add conditions that should always apply here
//$this->date_from = '21321';
$dataProvider = new ActiveDataProvider(['query' => $query]);
$dataProvider->setSort(['attributes' => ['id', 'author_id' => ['asc' => ['authors.firstname' => SORT_ASC, 'authors.lastname' => SORT_ASC], 'desc' => ['authors.firstname' => SORT_DESC, 'authors.lastname' => SORT_DESC], 'label' => 'Автор', 'default' => SORT_ASC], 'date', 'date_create', 'name']]);
if (!($this->load($params) && $this->validate())) {
$query->joinWith(['author']);
return $dataProvider;
}
$this->load($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;
}
// grid filtering conditions
$query->andFilterWhere(['id' => $this->id, 'author_id' => $this->author_id]);
$query->andFilterWhere(['like', 'name', $this->name]);
if (!empty($this->dateFrom)) {
$query->andFilterWhere(['>=', 'date', $this->dateFrom]);
}
if (!empty($this->dateTo)) {
$query->andFilterWhere(['<=', 'date', $this->dateTo]);
}
return $dataProvider;
}
/**
* Finds the Books model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Books the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Books::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getBooks()
{
return $this->hasMany(Books::className(), ['author_id' => 'id']);
}