/**
* Get data source.
*
* @return [[@doctodo return_type:getDataSource]] [[@doctodo return_description:getDataSource]]
*/
public function getDataSource()
{
if (is_null($this->_dataSource)) {
$typeItem = Yii::$app->collectors['types']->getOne($this->instructions['type']);
if (!$typeItem || !($type = $typeItem->object)) {
return $this->_dataSource = false;
}
$primaryModel = $type->primaryModel;
if (isset($this->instructions['parent'])) {
$registryClass = Yii::$app->classes['Registry'];
$object = $registryClass::getObject($this->instructions['parent']);
if (!$object) {
return $this->_dataSource = false;
}
$this->_dataSource = $object->queryChildObjects($primaryModel, [], []);
} else {
$this->_dataSource = $primaryModel::find();
}
$dummyModel = new $primaryModel();
$sortOptions = array_values($dummyModel->sortOptions);
if ($this->filterQuery) {
$primaryModel::simpleSearchTermQuery($this->_dataSource, $this->filterQuery);
} elseif (isset($sortOptions[0])) {
$this->_dataSource->orderBy($sortOptions[0]);
}
}
return $this->_dataSource;
}
