You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

53 lines
1.3 KiB

<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\mongodb;
use yii\db\ActiveRelationInterface;
use yii\db\ActiveRelationTrait;
/**
* ActiveRelation represents a relation to Mongo Active Record class.
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0
*/
class ActiveRelation extends ActiveQuery implements ActiveRelationInterface
{
use ActiveRelationTrait;
/**
* @inheritdoc
*/
protected function buildCursor($db = null)
{
if ($this->primaryModel !== null) {
// lazy loading
if ($this->via instanceof self) {
// via pivot collection
$viaModels = $this->via->findPivotRows([$this->primaryModel]);
$this->filterByModels($viaModels);
} elseif (is_array($this->via)) {
// via relation
/** @var ActiveRelation $viaQuery */
list($viaName, $viaQuery) = $this->via;
if ($viaQuery->multiple) {
$viaModels = $viaQuery->all();
$this->primaryModel->populateRelation($viaName, $viaModels);
} else {
$model = $viaQuery->one();
$this->primaryModel->populateRelation($viaName, $model);
$viaModels = $model === null ? [] : [$model];
}
$this->filterByModels($viaModels);
} else {
$this->filterByModels([$this->primaryModel]);
}
}
return parent::buildCursor($db);
}
}