/**
* Returns default fields list by combining model attributes with hasOne relations or just hasMany relations.
* @param ActiveRecord $model
* @param bool $extra if false, returns attributes and hasOne relations, if true, returns only hasMany relations
* @return array default list of fields
*/
public static function getDefaultFields($model, $extra = false)
{
$fields = $extra ? [] : $model->attributes();
foreach ($model->relations() as $relation) {
$activeRelation = $model->getRelation($relation);
if (!$extra && $activeRelation->multiple || $extra && !$activeRelation->multiple) {
continue;
}
$fields[] = $relation;
}
return $fields;
}