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30 lines
831 B
30 lines
831 B
<?php |
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/** |
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* @link https://github.com/paulzi/yii2-nested-sets |
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* @copyright Copyright (c) 2015 PaulZi <pavel.zimakoff@gmail.com> |
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* @license MIT (https://github.com/paulzi/yii2-nested-sets/blob/master/LICENSE) |
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*/ |
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namespace paulzi\nestedsets; |
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/** |
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* @author PaulZi <pavel.zimakoff@gmail.com> |
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*/ |
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trait NestedSetsQueryTrait |
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{ |
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/** |
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* @return \yii\db\ActiveQuery |
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*/ |
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public function roots() |
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{ |
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/** @var \yii\db\ActiveQuery $this */ |
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$class = $this->modelClass; |
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if (isset($class::$nestedSetsLeftAttribute)) { |
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return $this->andWhere([$class::$nestedSetsLeftAttribute => 1]); |
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} else { |
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/** @var \yii\db\ActiveRecord|NestedSetsBehavior $model */ |
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$model = new $class; |
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return $this->andWhere([$model->leftAttribute => 1]); |
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} |
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} |
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}
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