/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Employee::find()->joinWith(['department', 'chief' => function (Query $query) {
$query->from(Employee::tableName() . ' chief');
}]);
// add conditions that should always apply here
$dataProvider = new ActiveDataProvider(['query' => $query]);
$dataProvider->sort->attributes['department.name'] = ['asc' => ['department.name' => SORT_ASC], 'desc' => ['department.name' => SORT_DESC]];
$dataProvider->sort->attributes['chief.Name'] = ['asc' => ['chief.Name' => SORT_ASC], 'desc' => ['chief.Name' => SORT_DESC]];
$this->load($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, 'Salary' => $this->Salary]);
$query->andFilterWhere(['like', 'Name', $this->Name]);
$query->andFilterWhere(['like', 'department.name', $this->getAttribute('department.name')]);
$query->andFilterWhere(['like', 'chief.Name', $this->getAttribute('chief.Name')]);
return $dataProvider;
}
