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Added NestedSetsQueryBehavior::leaf()

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This commit is contained in:
Alexander Kochetov 2015-01-03 15:40:03 +03:00
parent a2e9123d5b
commit 20eff7758f
1 changed files with 18 additions and 1 deletions
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19
NestedSetsQueryBehavior.php
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@ -8,6 +8,7 @@
namespace creocoder\nestedsets;
use yii\base\Behavior;
use yii\db\Expression;
/**
* NestedSetsQueryBehavior
@ -24,7 +25,23 @@ class NestedSetsQueryBehavior extends Behavior
*/
public function roots()
{
$this->owner->andWhere([(new $this->owner->modelClass)->leftAttribute => 1]);
$this->owner->andWhere([(new $this->owner->modelClass())->leftAttribute => 1]);
return $this->owner;
}
/**
* Gets the leaf nodes.
* @return \yii\db\ActiveQuery the owner
*/
public function leaf()
{
$model = new $this->owner->modelClass();
$db = $model->getDb();
$this->owner->andWhere(new Expression(
$db->quoteColumnName($model->rightAttribute) . ' - ' . $db->quoteColumnName($model->leftAttribute) . ' = 1'
));
return $this->owner;
}